New upstream version 0.0.15

.github/workflows/disperse.yml

@@ -0,0 +1,24 @@
+---
+name: Disperse configuration
+
+"on":
+  - push
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v2
+      - name: Set up Python
+        uses: actions/setup-python@v2
+      - name: Install dependencies
+        run: |
+          sudo apt install protobuf-compiler
+      - name: Install disperse
+        run: |
+          pip install git+https://github.com/jelmer/disperse
+      - name: Validate disperse.conf
+        run: |
+          PROTOCOL_BUFFERS_PYTHON_IMPLEMENTATION=python disperse validate .

.github/workflows/pythonpackage.yml

@@ -1,6 +1,11 @@
+---
 name: Python package
 
-on: [push, pull_request]
+"on":
+  push:
+  pull_request:
+  schedule:
+    - cron: '0 6 * * *'  # Daily 6AM UTC build
 
 jobs:
   build:
@@ -9,7 +14,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, macos-latest]
-        python-version: [3.7, 3.8]
+        python-version: [3.7, 3.8, 3.9, '3.10']
       fail-fast: false
 
     steps:
@@ -20,28 +25,28 @@ jobs:
           python-version: ${{ matrix.python-version }}
       - name: Install dependencies
         run: |
-          python -m pip install --upgrade pip flake8 cython
+          python -m pip install --upgrade pip
+          python -m pip install -e ".[remote,dep_server,dev]"
           python setup.py develop
       - name: Install Debian-specific dependencies
         run: |
-          sudo apt install libapt-pkg-dev
+          sudo apt update
-          python -m pip install wheel
+          sudo apt install python3-wheel libapt-pkg-dev
-          python -m pip install git+https://salsa.debian.org/apt-team/python-apt
+          python -m pip install \
+            python_apt@git+https://salsa.debian.org/apt-team/python-apt.git
           python -m pip install -e ".[debian]"
-          python -m pip install testtools
-          mkdir -p ~/.config/breezy/plugins
-          brz branch lp:brz-debian ~/.config/breezy/plugins/debian
         if: "matrix.python-version != 'pypy3' && matrix.os == 'ubuntu-latest'"
       - name: Style checks
         run: |
+          pip install flake8
           python -m flake8
       - name: Typing checks
         run: |
-          pip install -U mypy
+          pip install -U mypy types-toml
           python -m mypy ognibuild
         if: "matrix.python-version != 'pypy3'"
       - name: Test suite run
         run: |
-          python -m unittest ognibuild.tests.test_suite
+          python -m unittest tests.test_suite
         env:
           PYTHONHASHSEED: random

.gitignore

@@ -1,3 +1,4 @@
+.coverage
 build
 *~
 ognibuild.egg-info

Makefile

@@ -0,0 +1,20 @@
+check:: style
+
+style:
+	flake8
+
+check:: testsuite
+
+testsuite:
+	python3 -m unittest tests.test_suite
+
+check:: typing
+
+typing:
+	mypy ognibuild tests
+
+coverage:
+	python3 -m coverage run -m unittest tests.test_suite
+
+coverage-html:
+	python3 -m coverage html

PKG-INFO

@@ -1,17 +0,0 @@
-Metadata-Version: 2.1
-Name: ognibuild
-Version: 0.0.7
-Summary: Detect and run any build system
-Home-page: https://jelmer.uk/code/ognibuild
-Maintainer: Jelmer Vernooij
-Maintainer-email: jelmer@jelmer.uk
-License: GNU GPLv2 or later
-Description: UNKNOWN
-Platform: UNKNOWN
-Classifier: Development Status :: 4 - Beta
-Classifier: License :: OSI Approved :: GNU General Public License v2 or later (GPLv2+)
-Classifier: Programming Language :: Python :: 3.5
-Classifier: Programming Language :: Python :: 3.6
-Classifier: Programming Language :: Python :: Implementation :: CPython
-Classifier: Operating System :: POSIX
-Provides-Extra: debian

README.md

@@ -31,6 +31,12 @@ Ognibuild has a number of subcommands:
 It also includes a subcommand that can fix up the build dependencies
 for Debian packages, called deb-fix-build.
 
+### Examples
+
+```
+ogni -d https://gitlab.gnome.org/GNOME/fractal install
+```
+
 ## Status
 
 Ognibuild is functional, but sometimes rough around the edges. If you run into

disperse.conf

@@ -0,0 +1,8 @@
+# See https://github.com/jelmer/disperse
+timeout_days: 5
+tag_name: "v$VERSION"
+verify_command: "python3 -m unittest tests.test_suite"
+update_version {
+  path: "ognibuild/__init__.py"
+  new_line: "__version__ = $TUPLED_VERSION"
+}

ognibuild.egg-info/PKG-INFO

@@ -1,17 +0,0 @@
-Metadata-Version: 2.1
-Name: ognibuild
-Version: 0.0.7
-Summary: Detect and run any build system
-Home-page: https://jelmer.uk/code/ognibuild
-Maintainer: Jelmer Vernooij
-Maintainer-email: jelmer@jelmer.uk
-License: GNU GPLv2 or later
-Description: UNKNOWN
-Platform: UNKNOWN
-Classifier: Development Status :: 4 - Beta
-Classifier: License :: OSI Approved :: GNU General Public License v2 or later (GPLv2+)
-Classifier: Programming Language :: Python :: 3.5
-Classifier: Programming Language :: Python :: 3.6
-Classifier: Programming Language :: Python :: Implementation :: CPython
-Classifier: Operating System :: POSIX
-Provides-Extra: debian

ognibuild.egg-info/SOURCES.txt

@@ -1,52 +0,0 @@
-.flake8
-.gitignore
-AUTHORS
-CODE_OF_CONDUCT.md
-LICENSE
-README.md
-SECURITY.md
-TODO
-releaser.conf
-setup.cfg
-setup.py
-.github/workflows/pythonpackage.yml
-notes/architecture.md
-notes/concepts.md
-notes/roadmap.md
-ognibuild/__init__.py
-ognibuild/__main__.py
-ognibuild/build.py
-ognibuild/buildlog.py
-ognibuild/buildsystem.py
-ognibuild/clean.py
-ognibuild/dist.py
-ognibuild/dist_catcher.py
-ognibuild/fix_build.py
-ognibuild/fixers.py
-ognibuild/info.py
-ognibuild/install.py
-ognibuild/outputs.py
-ognibuild/requirements.py
-ognibuild/test.py
-ognibuild/vcs.py
-ognibuild.egg-info/PKG-INFO
-ognibuild.egg-info/SOURCES.txt
-ognibuild.egg-info/dependency_links.txt
-ognibuild.egg-info/entry_points.txt
-ognibuild.egg-info/requires.txt
-ognibuild.egg-info/top_level.txt
-ognibuild/debian/__init__.py
-ognibuild/debian/apt.py
-ognibuild/debian/build.py
-ognibuild/debian/build_deps.py
-ognibuild/debian/file_search.py
-ognibuild/debian/fix_build.py
-ognibuild/debian/udd.py
-ognibuild/resolver/__init__.py
-ognibuild/resolver/apt.py
-ognibuild/session/__init__.py
-ognibuild/session/plain.py
-ognibuild/session/schroot.py
-ognibuild/tests/__init__.py
-ognibuild/tests/test_debian_build.py
-ognibuild/tests/test_debian_fix_build.py

ognibuild.egg-info/dependency_links.txt

@@ -1 +0,0 @@
-

ognibuild.egg-info/entry_points.txt

@@ -1,4 +0,0 @@
-[console_scripts]
-deb-fix-build = ognibuild.debian.fix_build:main
-ogni = ognibuild.__main__:main
-

ognibuild.egg-info/requires.txt

@@ -1,8 +0,0 @@
-breezy
-buildlog-consultant>=0.0.10
-requirements-parser
-
-[debian]
-debmutate
-python_apt
-python_debian

ognibuild.egg-info/top_level.txt

@@ -1 +0,0 @@
-ognibuild

ognibuild/__init__.py

@@ -18,12 +18,14 @@
 
 import os
 import stat
+from typing import List, Dict, Type
 
 
-__version__ = (0, 0, 7)
+__version__ = (0, 0, 15)
+version_string = '.'.join(map(str, __version__))
 
 
-USER_AGENT = "Ognibuild"
+USER_AGENT = f"Ognibuild/{version_string}"
 
 
 class DetailedFailure(Exception):
@@ -32,6 +34,12 @@ class DetailedFailure(Exception):
         self.argv = argv
         self.error = error
 
+    def __eq__(self, other):
+        return (isinstance(other, type(self)) and
+                self.retcode == other.retcode and
+                self.argv == other.argv and
+                self.error == other.error)
+
 
 class UnidentifiedError(Exception):
     """An unidentified error."""
@@ -42,6 +50,13 @@ class UnidentifiedError(Exception):
         self.lines = lines
         self.secondary = secondary
 
+    def __eq__(self, other):
+        return (isinstance(other, type(self)) and
+                self.retcode == other.retcode and
+                self.argv == other.argv and
+                self.lines == other.lines and
+                self.secondary == other.secondary)
+
     def __repr__(self):
         return "<%s(%r, %r, ..., secondary=%r)>" % (
             type(self).__name__,
@@ -64,17 +79,64 @@ def shebang_binary(p):
         return os.path.basename(args[0].decode()).strip()
 
 
+class UnknownRequirementFamily(Exception):
+    """Requirement family is unknown"""
+
+    def __init__(self, family):
+        self.family = family
+
+
 class Requirement(object):
 
     # Name of the family of requirements - e.g. "python-package"
     family: str
 
-    def __init__(self, family):
+    _JSON_DESERIALIZERS: Dict[str, Type["Requirement"]] = {}
-        self.family = family
+
+    @classmethod
+    def _from_json(self, js):
+        raise NotImplementedError(self._from_json)
+
+    @classmethod
+    def from_json(self, js):
+        try:
+            family = Requirement._JSON_DESERIALIZERS[js[0]]
+        except KeyError:
+            raise UnknownRequirementFamily(js[0])
+        return family._from_json(js[1])
 
     def met(self, session):
         raise NotImplementedError(self)
 
+    def _json(self):
+        raise NotImplementedError(self._json)
+
+    def json(self):
+        return (type(self).family, self._json())
+
+    @classmethod
+    def register_json(cls, subcls):
+        Requirement._JSON_DESERIALIZERS[subcls.family] = subcls
+
+
+class OneOfRequirement(Requirement):
+
+    elements: List[Requirement]
+
+    family = 'or'
+
+    def __init__(self, elements):
+        self.elements = elements
+
+    def met(self, session):
+        for req in self.elements:
+            if req.met(session):
+                return True
+        return False
+
+    def __repr__(self):
+        return "%s(%r)" % (type(self).__name__, self.elements)
+
 
 class UpstreamOutput(object):
     def __init__(self, family):

ognibuild/__main__.py

@@ -15,11 +15,13 @@
 # along with this program; if not, write to the Free Software
 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 
+from contextlib import ExitStack
 import logging
 import os
 import shlex
 import sys
-from . import UnidentifiedError, DetailedFailure
+from urllib.parse import urlparse
+from . import UnidentifiedError, DetailedFailure, version_string
 from .buildlog import (
     InstallFixer,
     ExplainInstallFixer,
@@ -29,9 +31,10 @@ from .buildlog import (
 from .buildsystem import NoBuildToolsFound, detect_buildsystems
 from .resolver import (
     auto_resolver,
-    native_resolvers,
+    select_resolvers,
+    UnsatisfiedRequirements,
 )
-from .resolver.apt import AptResolver
+from .session import SessionSetupFailure
 
 
 def display_explain_commands(commands):
@@ -39,34 +42,33 @@ def display_explain_commands(commands):
     for command, reqs in commands:
         if isinstance(command, list):
             command = shlex.join(command)
-        logging.info("  %s (to install %s)", command, ", ".join(map(str, reqs)))
+        logging.info(
-
+            "  %s (to install %s)", command, ", ".join(map(str, reqs)))
-
-def get_necessary_declared_requirements(resolver, requirements, stages):
-    missing = []
-    for stage, req in requirements:
-        if stage in stages:
-            missing.append(req)
-    return missing
 
 
 def install_necessary_declared_requirements(
     session, resolver, fixers, buildsystems, stages, explain=False
 ):
+
+    if explain:
         relevant = []
-    declared_reqs = []
+        for buildsystem in buildsystems:
+            declared_reqs = buildsystem.get_declared_dependencies(
+                session, fixers)
+            for stage, req in declared_reqs:
+                if stage in stages:
+                    relevant.append(req)
+        install_missing_reqs(session, resolver, relevant, explain=True)
+    else:
         for buildsystem in buildsystems:
             try:
-            declared_reqs.extend(buildsystem.get_declared_dependencies(session, fixers))
+                buildsystem.install_declared_requirements(
+                    stages, session, resolver, fixers)
             except NotImplementedError:
                 logging.warning(
-                "Unable to determine declared dependencies from %r", buildsystem
+                    "Unable to determine declared dependencies from %r",
+                    buildsystem
                 )
-    relevant.extend(
-        get_necessary_declared_requirements(resolver, declared_reqs, stages)
-    )
-
-    install_missing_reqs(session, resolver, relevant, explain=explain)
 
 
 # Types of dependencies:
@@ -82,6 +84,7 @@ STAGE_MAP = {
     "test": ["test", "build", "core"],
     "build": ["build", "core"],
     "clean": [],
+    "verify": ["build", "core", "test"],
 }
 
 
@@ -95,9 +98,13 @@ def determine_fixers(session, resolver, explain=False):
 def main():  # noqa: C901
     import argparse
 
-    parser = argparse.ArgumentParser()
+    parser = argparse.ArgumentParser(prog='ogni')
     parser.add_argument(
-        "--directory", "-d", type=str, help="Directory for project.", default="."
+        "--version", action="version", version="%(prog)s " + version_string
+    )
+    parser.add_argument(
+        "--directory", "-d", type=str, help="Directory for project.",
+        default="."
     )
     parser.add_argument("--schroot", type=str, help="schroot to run in.")
     parser.add_argument(
@@ -123,6 +130,15 @@ def main():  # noqa: C901
         action="store_true",
         help="Ignore declared dependencies, follow build errors only",
     )
+    parser.add_argument(
+        "--user", action="store_true",
+        help="Install in local-user directories."
+    )
+    parser.add_argument(
+        "--dep-server-url", type=str,
+        help="ognibuild dep server to use",
+        default=os.environ.get('OGNIBUILD_DEPS'))
+
     parser.add_argument("--verbose", action="store_true", help="Be verbose")
     subparsers = parser.add_subparsers(dest="subcommand")
     subparsers.add_parser("dist")
@@ -130,12 +146,11 @@ def main():  # noqa: C901
     subparsers.add_parser("clean")
     subparsers.add_parser("test")
     subparsers.add_parser("info")
+    subparsers.add_parser("verify")
     exec_parser = subparsers.add_parser("exec")
-    exec_parser.add_argument('subargv', nargs=argparse.REMAINDER, help='Command to run.')
+    exec_parser.add_argument(
+        'subargv', nargs=argparse.REMAINDER, help='Command to run.')
     install_parser = subparsers.add_parser("install")
-    install_parser.add_argument(
-        "--user", action="store_true", help="Install in local-user directories."
-    )
     install_parser.add_argument(
         "--prefix", type=str, help='Prefix to install in')
 
@@ -155,38 +170,72 @@ def main():  # noqa: C901
         from .session.plain import PlainSession
 
         session = PlainSession()
-    with session:
+
-        logging.info("Preparing directory %s", args.directory)
+    with ExitStack() as es:
-        external_dir, internal_dir = session.setup_from_directory(args.directory)
+        try:
+            es.enter_context(session)
+        except SessionSetupFailure as e:
+            logging.debug('Error lines: %r', e.errlines)
+            logging.fatal('Failed to set up session: %s', e.reason)
+            return 1
+
+        parsed_url = urlparse(args.directory)
+        # TODO(jelmer): Get a list of supported schemes from breezy?
+        if parsed_url.scheme in ('git', 'http', 'https', 'ssh'):
+            import breezy.git  # noqa: F401
+            import breezy.bzr  # noqa: F401
+            from breezy.branch import Branch
+            from silver_platter.utils import TemporarySprout
+            b = Branch.open(args.directory)
+            logging.info("Cloning %s", args.directory)
+            wt = es.enter_context(TemporarySprout(b))
+            external_dir, internal_dir = session.setup_from_vcs(wt)
+        else:
+            if parsed_url.scheme == 'file':
+                directory = parsed_url.path
+            else:
+                directory = args.directory
+            logging.info("Preparing directory %s", directory)
+            external_dir, internal_dir = session.setup_from_directory(
+                directory)
         session.chdir(internal_dir)
         os.chdir(external_dir)
 
         if not session.is_temporary and args.subcommand == 'info':
             args.explain = True
 
-        if args.resolve == "apt":
+        if args.resolve == "auto":
-            resolver = AptResolver.from_session(session)
-        elif args.resolve == "native":
-            resolver = native_resolvers(session, user_local=args.user)
-        elif args.resolve == "auto":
             resolver = auto_resolver(session, explain=args.explain)
+        else:
+            resolver = select_resolvers(
+                session, user_local=args.user,
+                resolvers=args.resolve.split(','),
+                dep_server_url=args.dep_server_url)
         logging.info("Using requirement resolver: %s", resolver)
         fixers = determine_fixers(session, resolver, explain=args.explain)
         try:
             if args.subcommand == "exec":
                 from .fix_build import run_with_build_fixers
-                run_with_build_fixers(session, args.subargv, fixers)
+                run_with_build_fixers(fixers, session, args.subargv)
                 return 0
-            bss = list(detect_buildsystems(args.directory))
+            bss = list(detect_buildsystems(external_dir))
             logging.info("Detected buildsystems: %s", ", ".join(map(str, bss)))
             if not args.ignore_declared_dependencies:
                 stages = STAGE_MAP[args.subcommand]
                 if stages:
-                    logging.info("Checking that declared requirements are present")
+                    logging.info(
+                        "Checking that declared requirements are present")
                     try:
                         install_necessary_declared_requirements(
-                            session, resolver, fixers, bss, stages, explain=args.explain
+                            session, resolver, fixers, bss, stages,
+                            explain=args.explain
                         )
+                    except UnsatisfiedRequirements as e:
+                        logging.info(
+                            'Unable to install declared dependencies:')
+                        for req in e.requirements:
+                            logging.info(' * %s', req)
+                        return 1
                     except ExplainInstall as e:
                         display_explain_commands(e.commands)
                         return 1
@@ -207,11 +256,15 @@ def main():  # noqa: C901
             if args.subcommand == "build":
                 from .build import run_build
 
-                run_build(session, buildsystems=bss, resolver=resolver, fixers=fixers)
+                run_build(
+                    session, buildsystems=bss, resolver=resolver,
+                    fixers=fixers)
             if args.subcommand == "clean":
                 from .clean import run_clean
 
-                run_clean(session, buildsystems=bss, resolver=resolver, fixers=fixers)
+                run_clean(
+                    session, buildsystems=bss, resolver=resolver,
+                    fixers=fixers)
             if args.subcommand == "install":
                 from .install import run_install
 
@@ -226,14 +279,42 @@ def main():  # noqa: C901
             if args.subcommand == "test":
                 from .test import run_test
 
-                run_test(session, buildsystems=bss, resolver=resolver, fixers=fixers)
+                run_test(
+                    session, buildsystems=bss, resolver=resolver,
+                    fixers=fixers)
             if args.subcommand == "info":
                 from .info import run_info
 
                 run_info(session, buildsystems=bss, fixers=fixers)
+
+            if args.subcommand == "verify":
+                from .build import run_build
+                from .test import run_test
+
+                run_build(
+                    session, buildsystems=bss, resolver=resolver,
+                    fixers=fixers)
+                run_test(
+                    session, buildsystems=bss, resolver=resolver,
+                    fixers=fixers)
+
         except ExplainInstall as e:
             display_explain_commands(e.commands)
-        except (UnidentifiedError, DetailedFailure):
+        except UnidentifiedError:
+            logging.info(
+                'If there is a clear indication of a problem in the build '
+                'log, please consider filing a request to update the patterns '
+                'in buildlog-consultant at '
+                'https://github.com/jelmer/buildlog-consultant/issues/new')
+            return 1
+        except DetailedFailure:
+            if not args.verbose:
+                logging.info(
+                    'Run with --verbose to get more information '
+                    'about steps taken to try to resolve error')
+            logging.info(
+                'Please consider filing a bug report at '
+                'https://github.com/jelmer/ognibuild/issues/new')
             return 1
         except NoBuildToolsFound:
             logging.info("No build tools found.")

ognibuild/build.py

@@ -15,16 +15,28 @@
 # along with this program; if not, write to the Free Software
 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 
+from functools import partial
+
 from .buildsystem import NoBuildToolsFound
+from .fix_build import iterate_with_build_fixers
+from .logs import NoLogManager
 
 
-def run_build(session, buildsystems, resolver, fixers):
+BUILD_LOG_FILENAME = 'build.log'
+
+
+def run_build(session, buildsystems, resolver, fixers, log_manager=None):
     # Some things want to write to the user's home directory,
     # e.g. pip caches in ~/.cache
     session.create_home()
 
+    if log_manager is None:
+        log_manager = NoLogManager()
+
     for buildsystem in buildsystems:
-        buildsystem.build(session, resolver, fixers)
+        iterate_with_build_fixers(
+            fixers, log_manager.wrap(
+                partial(buildsystem.build, session, resolver)))
         return
 
     raise NoBuildToolsFound()

ognibuild/buildlog.py

@@ -19,65 +19,32 @@
 """
 
 import logging
+from typing import Optional, List, Callable, Union, Tuple
 
 from buildlog_consultant.common import (
-    MissingPythonModule,
+    Problem,
-    MissingPythonDistribution,
-    MissingCHeader,
-    MissingPkgConfig,
-    MissingCommand,
-    MissingFile,
-    MissingJavaScriptRuntime,
-    MissingSprocketsFile,
-    MissingGoPackage,
     MissingPerlFile,
-    MissingPerlModule,
-    MissingXmlEntity,
-    MissingJDKFile,
-    MissingJDK,
-    MissingJRE,
-    MissingNodeModule,
-    MissingNodePackage,
-    MissingPhpClass,
-    MissingRubyGem,
-    MissingLibrary,
     MissingSetupPyCommand,
-    MissingJavaClass,
+    MissingCMakeComponents,
-    MissingCSharpCompiler,
-    MissingRPackage,
-    MissingRubyFile,
-    MissingAutoconfMacro,
-    MissingValaPackage,
-    MissingBoostComponents,
     MissingXfceDependency,
     MissingHaskellDependencies,
-    MissingVagueDependency,
-    DhAddonLoadFailure,
     MissingMavenArtifacts,
-    MissingIntrospectionTypelib,
-    GnomeCommonMissing,
     MissingGnomeCommonDependency,
-    UnknownCertificateAuthority,
-    CMakeFilesMissing,
-    MissingLibtool,
-    MissingQt,
-    MissingX11,
     MissingPerlPredeclared,
     MissingLatexFile,
     MissingCargoCrate,
-    MissingStaticLibrary,
 )
-from buildlog_consultant.apt import UnsatisfiedAptDependencies
 
+from . import OneOfRequirement
 from .fix_build import BuildFixer
 from .requirements import (
+    Requirement,
     BinaryRequirement,
     PathRequirement,
     PkgConfigRequirement,
     CHeaderRequirement,
     JavaScriptRuntimeRequirement,
     ValaPackageRequirement,
-    RubyGemRequirement,
     GoPackageRequirement,
     DhAddonRequirement,
     PhpClassRequirement,
@@ -92,6 +59,7 @@ from .requirements import (
     HaskellPackageRequirement,
     MavenArtifactRequirement,
     BoostComponentRequirement,
+    KF5ComponentRequirement,
     GnomeCommonRequirement,
     JDKFileRequirement,
     JDKRequirement,
@@ -112,86 +80,124 @@ from .requirements import (
     LatexPackageRequirement,
     CargoCrateRequirement,
     StaticLibraryRequirement,
+    GnulibDirectoryRequirement,
+    LuaModuleRequirement,
+    PHPExtensionRequirement,
+    VcsControlDirectoryAccessRequirement,
+    RubyGemRequirement,
+    QtModuleRequirement,
 )
 from .resolver import UnsatisfiedRequirements
 
 
-def problem_to_upstream_requirement(problem):  # noqa: C901
+def map_pytest_arguments_to_plugin(args):
-    if isinstance(problem, MissingFile):
+    # TODO(jelmer): Map argument to PytestPluginRequirement
-        return PathRequirement(problem.path)
+    return None
-    elif isinstance(problem, MissingCommand):
+
-        return BinaryRequirement(problem.command)
+
-    elif isinstance(problem, MissingPkgConfig):
+ProblemToRequirementConverter = Callable[[Problem], Optional[Requirement]]
-        return PkgConfigRequirement(problem.module, problem.minimum_version)
+
-    elif isinstance(problem, MissingCHeader):
+
-        return CHeaderRequirement(problem.header)
+PROBLEM_CONVERTERS: List[Union[
-    elif isinstance(problem, MissingIntrospectionTypelib):
+        Tuple[str, ProblemToRequirementConverter],
-        return IntrospectionTypelibRequirement(problem.library)
+        Tuple[str, ProblemToRequirementConverter, str]]] = [
-    elif isinstance(problem, MissingJavaScriptRuntime):
+    ('missing-file', lambda p: PathRequirement(p.path)),
-        return JavaScriptRuntimeRequirement()
+    ('command-missing', lambda p: BinaryRequirement(p.command)),
-    elif isinstance(problem, MissingRubyGem):
+    ('valac-cannot-compile', lambda p: VagueDependencyRequirement('valac'),
-        return RubyGemRequirement(problem.gem, problem.version)
+     '0.0.27'),
-    elif isinstance(problem, MissingValaPackage):
+    ('missing-cmake-files', lambda p: OneOfRequirement(
-        return ValaPackageRequirement(problem.package)
+        [CMakefileRequirement(filename, p.version)
-    elif isinstance(problem, MissingGoPackage):
+         for filename in p.filenames])),
-        return GoPackageRequirement(problem.package)
+    ('missing-command-or-build-file', lambda p: BinaryRequirement(p.command)),
-    elif isinstance(problem, MissingBoostComponents):
+    ('missing-pkg-config-package',
-        return [BoostComponentRequirement(name) for name in problem.components]
+     lambda p: PkgConfigRequirement(p.module, p.minimum_version)),
-    elif isinstance(problem, DhAddonLoadFailure):
+    ('missing-c-header', lambda p: CHeaderRequirement(p.header)),
-        return DhAddonRequirement(problem.path)
+    ('missing-introspection-typelib',
-    elif isinstance(problem, MissingPhpClass):
+     lambda p: IntrospectionTypelibRequirement(p.library)),
-        return PhpClassRequirement(problem.php_class)
+    ('missing-python-module', lambda p: PythonModuleRequirement(
-    elif isinstance(problem, MissingRPackage):
+        p.module, python_version=p.python_version,
-        return RPackageRequirement(problem.package, problem.minimum_version)
+        minimum_version=p.minimum_version)),
-    elif isinstance(problem, MissingNodeModule):
+    ('missing-python-distribution', lambda p: PythonPackageRequirement(
-        return NodeModuleRequirement(problem.module)
+        p.distribution, python_version=p.python_version,
-    elif isinstance(problem, MissingStaticLibrary):
+        minimum_version=p.minimum_version)),
-        return StaticLibraryRequirement(problem.library, problem.filename)
+    ('javascript-runtime-missing', lambda p: JavaScriptRuntimeRequirement()),
-    elif isinstance(problem, MissingNodePackage):
+    ('missing-node-module', lambda p: NodeModuleRequirement(p.module)),
-        return NodePackageRequirement(problem.package)
+    ('missing-node-package', lambda p: NodePackageRequirement(p.package)),
+    ('missing-ruby-gem', lambda p: RubyGemRequirement(p.gem, p.version)),
+    ('missing-qt-modules', lambda p: QtModuleRequirement(p.modules[0]),
+     '0.0.27'),
+    ('missing-php-class', lambda p: PhpClassRequirement(p.php_class)),
+    ('missing-r-package', lambda p: RPackageRequirement(
+        p.package, p.minimum_version)),
+    ('missing-vague-dependency',
+     lambda p: VagueDependencyRequirement(
+        p.name, minimum_version=p.minimum_version)),
+    ('missing-c#-compiler', lambda p: BinaryRequirement("msc")),
+    ('missing-gnome-common', lambda p: GnomeCommonRequirement()),
+    ('missing-jdk', lambda p: JDKRequirement()),
+    ('missing-jre', lambda p: JRERequirement()),
+    ('missing-qt', lambda p: QTRequirement()),
+    ('missing-x11', lambda p: X11Requirement()),
+    ('missing-libtool', lambda p: LibtoolRequirement()),
+    ('missing-php-extension',
+     lambda p: PHPExtensionRequirement(p.extension)),
+    ('missing-rust-compiler', lambda p: BinaryRequirement("rustc")),
+    ('missing-java-class', lambda p: JavaClassRequirement(p.classname)),
+    ('missing-go-package', lambda p: GoPackageRequirement(p.package)),
+    ('missing-autoconf-macro', lambda p: AutoconfMacroRequirement(p.macro)),
+    ('missing-vala-package', lambda p: ValaPackageRequirement(p.package)),
+    ('missing-lua-module', lambda p: LuaModuleRequirement(p.module)),
+    ('missing-jdk-file', lambda p: JDKFileRequirement(p.jdk_path, p.filename)),
+    ('missing-ruby-file', lambda p: RubyFileRequirement(p.filename)),
+    ('missing-library', lambda p: LibraryRequirement(p.library)),
+    ('missing-sprockets-file',
+     lambda p: SprocketsFileRequirement(p.content_type, p.name)),
+    ('dh-addon-load-failure', lambda p: DhAddonRequirement(p.path)),
+    ('missing-xml-entity', lambda p: XmlEntityRequirement(p.url)),
+    ('missing-gnulib-directory',
+     lambda p: GnulibDirectoryRequirement(p.directory)),
+    ('vcs-control-directory-needed',
+     lambda p: VcsControlDirectoryAccessRequirement(p.vcs)),
+    ('missing-static-library',
+     lambda p: StaticLibraryRequirement(p.library, p.filename)),
+    ('missing-perl-module',
+     lambda p: PerlModuleRequirement(
+        module=p.module, filename=p.filename, inc=p.inc)),
+    ('unknown-certificate-authority',
+     lambda p: CertificateAuthorityRequirement(p.url)),
+    ('unsupported-pytest-arguments',
+     lambda p: map_pytest_arguments_to_plugin(p.args), '0.0.27'),
+]
+
+
+def problem_to_upstream_requirement(
+        problem: Problem) -> Optional[Requirement]:  # noqa: C901
+    for entry in PROBLEM_CONVERTERS:
+        kind, fn = entry[:2]
+        if kind == problem.kind:
+            return fn(problem)
+    if isinstance(problem, MissingCMakeComponents):
+        if problem.name.lower() == 'boost':
+            return OneOfRequirement(
+                [BoostComponentRequirement(name)
+                 for name in problem.components])
+        elif problem.name.lower() == 'kf5':
+            return OneOfRequirement(
+                [KF5ComponentRequirement(name) for name in problem.components])
+        return None
     elif isinstance(problem, MissingLatexFile):
         if problem.filename.endswith('.sty'):
             return LatexPackageRequirement(problem.filename[:-4])
         return None
-    elif isinstance(problem, MissingVagueDependency):
-        return VagueDependencyRequirement(problem.name, minimum_version=problem.minimum_version)
-    elif isinstance(problem, MissingLibrary):
-        return LibraryRequirement(problem.library)
-    elif isinstance(problem, MissingRubyFile):
-        return RubyFileRequirement(problem.filename)
-    elif isinstance(problem, MissingXmlEntity):
-        return XmlEntityRequirement(problem.url)
-    elif isinstance(problem, MissingSprocketsFile):
-        return SprocketsFileRequirement(problem.content_type, problem.name)
-    elif isinstance(problem, MissingJavaClass):
-        return JavaClassRequirement(problem.classname)
-    elif isinstance(problem, CMakeFilesMissing):
-        return [CMakefileRequirement(filename) for filename in problem.filenames]
     elif isinstance(problem, MissingHaskellDependencies):
-        return [HaskellPackageRequirement.from_string(dep) for dep in problem.deps]
+        return OneOfRequirement(
+            [HaskellPackageRequirement.from_string(dep)
+             for dep in problem.deps])
     elif isinstance(problem, MissingMavenArtifacts):
-        return [
+        return OneOfRequirement([
             MavenArtifactRequirement.from_str(artifact)
             for artifact in problem.artifacts
-        ]
+        ])
-    elif isinstance(problem, MissingCSharpCompiler):
-        return BinaryRequirement("msc")
-    elif isinstance(problem, GnomeCommonMissing):
-        return GnomeCommonRequirement()
-    elif isinstance(problem, MissingJDKFile):
-        return JDKFileRequirement(problem.jdk_path, problem.filename)
-    elif isinstance(problem, MissingJDK):
-        return JDKRequirement()
-    elif isinstance(problem, MissingJRE):
-        return JRERequirement()
-    elif isinstance(problem, MissingQt):
-        return QTRequirement()
-    elif isinstance(problem, MissingX11):
-        return X11Requirement()
-    elif isinstance(problem, MissingLibtool):
-        return LibtoolRequirement()
-    elif isinstance(problem, UnknownCertificateAuthority):
-        return CertificateAuthorityRequirement(problem.url)
     elif isinstance(problem, MissingPerlPredeclared):
         ret = PerlPreDeclaredRequirement(problem.name)
         try:
@@ -210,36 +216,20 @@ def problem_to_upstream_requirement(problem):  # noqa: C901
             return BinaryRequirement("glib-gettextize")
         else:
             logging.warning(
-                "No known command for gnome-common dependency %s", problem.package
+                "No known command for gnome-common dependency %s",
+                problem.package
             )
             return None
     elif isinstance(problem, MissingXfceDependency):
         if problem.package == "gtk-doc":
             return BinaryRequirement("gtkdocize")
         else:
-            logging.warning("No known command for xfce dependency %s", problem.package)
+            logging.warning(
+                "No known command for xfce dependency %s", problem.package)
             return None
-    elif isinstance(problem, MissingPerlModule):
-        return PerlModuleRequirement(
-            module=problem.module, filename=problem.filename, inc=problem.inc
-        )
     elif isinstance(problem, MissingPerlFile):
         return PerlFileRequirement(filename=problem.filename)
-    elif isinstance(problem, MissingAutoconfMacro):
+    elif problem.kind == 'unsatisfied-apt-dependencies':
-        return AutoconfMacroRequirement(problem.macro)
-    elif isinstance(problem, MissingPythonModule):
-        return PythonModuleRequirement(
-            problem.module,
-            python_version=problem.python_version,
-            minimum_version=problem.minimum_version,
-        )
-    elif isinstance(problem, MissingPythonDistribution):
-        return PythonPackageRequirement(
-            problem.distribution,
-            python_version=problem.python_version,
-            minimum_version=problem.minimum_version,
-        )
-    elif isinstance(problem, UnsatisfiedAptDependencies):
         from .resolver.apt import AptRequirement
         return AptRequirement(problem.relations)
     else:

ognibuild/clean.py

@@ -15,16 +15,25 @@
 # along with this program; if not, write to the Free Software
 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 
+from functools import partial
+
+from .fix_build import iterate_with_build_fixers
 from .buildsystem import NoBuildToolsFound
+from .logs import NoLogManager
 
 
-def run_clean(session, buildsystems, resolver, fixers):
+def run_clean(session, buildsystems, resolver, fixers, log_manager=None):
     # Some things want to write to the user's home directory,
     # e.g. pip caches in ~/.cache
     session.create_home()
 
+    if log_manager is None:
+        log_manager = NoLogManager()
+
     for buildsystem in buildsystems:
-        buildsystem.clean(session, resolver, fixers)
+        iterate_with_build_fixers(
+            fixers, log_manager.wrap(
+                partial(buildsystem.clean, session, resolver)))
         return
 
     raise NoBuildToolsFound()

ognibuild/debian/__init__.py

@@ -29,7 +29,8 @@ def satisfy_build_deps(session: Session, tree, debian_path):
             deps.append(source[name].strip().strip(","))
         except KeyError:
             pass
-    for name in ["Build-Conflicts", "Build-Conflicts-Indep", "Build-Conflicts-Arch"]:
+    for name in ["Build-Conflicts", "Build-Conflicts-Indep",
+                 "Build-Conflicts-Arch"]:
         try:
             deps.append("Conflicts: " + source[name])
         except KeyError:

ognibuild/debian/apt.py

@@ -16,8 +16,9 @@
 # along with this program; if not, write to the Free Software
 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 
+from debian.changelog import Version
 import logging
-from typing import List, Optional
+from typing import List, Optional, Iterable
 
 import os
 from buildlog_consultant.apt import (
@@ -37,7 +38,12 @@ from .file_search import (
 def run_apt(
     session: Session, args: List[str], prefix: Optional[List[str]] = None
 ) -> None:
-    """Run apt."""
+    """Run apt.
+
+    Raises:
+      DetailedFailure: When a known error occurs
+      UnidentifiedError: If an unknown error occurs
+    """
     if prefix is None:
         prefix = []
     args = prefix = ["apt", "-y"] + args
@@ -48,7 +54,7 @@ def run_apt(
     match, error = find_apt_get_failure(lines)
     if error is not None:
         raise DetailedFailure(retcode, args, error)
-    while lines and lines[-1] == "":
+    while lines and lines[-1].rstrip('\n') == "":
         lines.pop(-1)
     raise UnidentifiedError(retcode, args, lines, secondary=match)
 
@@ -93,13 +99,18 @@ class AptManager(object):
     def package_exists(self, package):
         return package in self.apt_cache
 
-    def package_versions(self, package):
+    def package_versions(self, package: str) -> Optional[Iterable[Version]]:
+        try:
             return list(self.apt_cache[package].versions)
+        except KeyError:
+            return None
 
-    def get_packages_for_paths(self, paths, regex=False, case_insensitive=False):
+    async def get_packages_for_paths(
+            self, paths, regex: bool = False, case_insensitive: bool = False):
         logging.debug("Searching for packages containing %r", paths)
-        return get_packages_for_paths(
+        return await get_packages_for_paths(
-            paths, self.searchers(), regex=regex, case_insensitive=case_insensitive
+            paths, self.searchers(), regex=regex,
+            case_insensitive=case_insensitive
         )
 
     def missing(self, packages):

ognibuild/debian/build.py

@@ -17,6 +17,7 @@
 
 __all__ = [
     "get_build_architecture",
+    "version_add_suffix",
     "add_dummy_changelog_entry",
     "build",
     "DetailedDebianBuildFailure",
@@ -24,20 +25,22 @@ __all__ = [
 ]
 
 from datetime import datetime
-from debmutate.changelog import ChangelogEditor
 import logging
 import os
 import re
 import shlex
 import subprocess
 import sys
+from typing import Optional, List, Tuple
 
-from debian.changelog import Changelog
+from debian.changelog import Changelog, Version, ChangeBlock
-from debmutate.changelog import get_maintainer
+from debmutate.changelog import get_maintainer, ChangelogEditor
+from debmutate.reformatting import GeneratedFile
 
 from breezy.mutabletree import MutableTree
 from breezy.plugins.debian.builder import BuildFailedError
 from breezy.tree import Tree
+from breezy.workingtree import WorkingTree
 
 from buildlog_consultant.sbuild import (
     worker_failure_from_sbuild_log,
@@ -45,10 +48,18 @@ from buildlog_consultant.sbuild import (
 
 from .. import DetailedFailure as DetailedFailure, UnidentifiedError
 
+BUILD_LOG_FILENAME = 'build.log'
 
 DEFAULT_BUILDER = "sbuild --no-clean-source"
 
 
+class ChangelogNotEditable(Exception):
+    """Changelog can not be edited."""
+
+    def __init__(self, path):
+        self.path = path
+
+
 class DetailedDebianBuildFailure(DetailedFailure):
 
     def __init__(self, stage, phase, retcode, argv, error, description):
@@ -60,7 +71,8 @@ class DetailedDebianBuildFailure(DetailedFailure):
 
 class UnidentifiedDebianBuildError(UnidentifiedError):
 
-    def __init__(self, stage, phase, retcode, argv, lines, description, secondary=None):
+    def __init__(self, stage, phase, retcode, argv, lines, description,
+                 secondary=None):
         super(UnidentifiedDebianBuildError, self).__init__(
             retcode, argv, lines, secondary)
         self.stage = stage
@@ -75,11 +87,12 @@ class MissingChangesFile(Exception):
         self.filename = filename
 
 
-def find_changes_files(path, package, version):
+def find_changes_files(path: str, package: str, version: Version):
-    non_epoch_version = version.upstream_version
+    non_epoch_version = version.upstream_version or ''
     if version.debian_version is not None:
         non_epoch_version += "-%s" % version.debian_version
-    c = re.compile('%s_%s_(.*).changes' % (re.escape(package), re.escape(non_epoch_version)))
+    c = re.compile('%s_%s_(.*).changes' % (
+        re.escape(package), re.escape(non_epoch_version)))
     for entry in os.scandir(path):
         m = c.match(entry.name)
         if m:
@@ -109,15 +122,32 @@ def control_files_in_root(tree: Tree, subpath: str) -> bool:
     return False
 
 
+def version_add_suffix(version: Version, suffix: str) -> Version:
+    version = Version(str(version))
+
+    def add_suffix(v):
+        m = re.fullmatch("(.*)(" + re.escape(suffix) + ")([0-9]+)", v)
+        if m:
+            return m.group(1) + m.group(2) + "%d" % (int(m.group(3)) + 1)
+        else:
+            return v + suffix + "1"
+    if version.debian_revision:
+        version.debian_revision = add_suffix(version.debian_revision)
+    else:
+        version.upstream_version = add_suffix(version.upstream_version)
+    return version
+
+
 def add_dummy_changelog_entry(
     tree: MutableTree,
     subpath: str,
     suffix: str,
     suite: str,
     message: str,
-    timestamp=None,
+    timestamp: Optional[datetime] = None,
-    maintainer=None,
+    maintainer: Tuple[Optional[str], Optional[str]] = None,
-):
+    allow_reformatting: bool = True,
+) -> Version:
     """Add a dummy changelog entry to a package.
 
     Args:
@@ -125,18 +155,10 @@ def add_dummy_changelog_entry(
       suffix: Suffix for the version
       suite: Debian suite
       message: Changelog message
+    Returns:
+      version of the newly added entry
     """
 
-    def add_suffix(v, suffix):
-        m = re.fullmatch(
-            "(.*)(" + re.escape(suffix) + ")([0-9]+)",
-            v,
-        )
-        if m:
-            return m.group(1) + m.group(2) + "%d" % (int(m.group(3)) + 1)
-        else:
-            return v + suffix + "1"
-
     if control_files_in_root(tree, subpath):
         path = os.path.join(subpath, "changelog")
     else:
@@ -145,38 +167,38 @@ def add_dummy_changelog_entry(
         maintainer = get_maintainer()
     if timestamp is None:
         timestamp = datetime.now()
-    with ChangelogEditor(tree.abspath(os.path.join(path))) as editor:
+    try:
-        version = editor[0].version
+        with ChangelogEditor(
-        if version.debian_revision:
+                tree.abspath(path),  # type: ignore
-            version.debian_revision = add_suffix(version.debian_revision, suffix)
+                allow_reformatting=allow_reformatting) as editor:
-        else:
+            version = version_add_suffix(editor[0].version, suffix)
-            version.upstream_version = add_suffix(version.upstream_version, suffix)
             editor.auto_version(version, timestamp=timestamp)
             editor.add_entry(
-            summary=[message], maintainer=maintainer, timestamp=timestamp, urgency='low')
+                summary=[message], maintainer=maintainer, timestamp=timestamp,
+                urgency='low')
             editor[0].distributions = suite
+            return version
+    except GeneratedFile as e:
+        raise ChangelogNotEditable(path) from e
 
 
-def get_latest_changelog_entry(local_tree, subpath=""):
+def get_latest_changelog_entry(
+        local_tree: WorkingTree, subpath: str = "") -> ChangeBlock:
     if control_files_in_root(local_tree, subpath):
         path = os.path.join(subpath, "changelog")
     else:
         path = os.path.join(subpath, "debian", "changelog")
     with local_tree.get_file(path) as f:
         cl = Changelog(f, max_blocks=1)
-        return cl.package, cl.version
+        return cl[0]
 
 
-def build(
+def _builddeb_command(
-    local_tree,
+        build_command: str = DEFAULT_BUILDER,
-    outf,
+        result_dir: Optional[str] = None,
-    build_command=DEFAULT_BUILDER,
+        apt_repository: Optional[str] = None,
-    result_dir=None,
+        apt_repository_key: Optional[str] = None,
-    distribution=None,
+        extra_repositories: Optional[List[str]] = None):
-    subpath="",
-    source_date_epoch=None,
-    extra_repositories=None,
-):
     for repo in extra_repositories or []:
         build_command += " --extra-repository=" + shlex.quote(repo)
     args = [
@@ -187,8 +209,34 @@ def build(
         "--guess-upstream-branch-url",
         "--builder=%s" % build_command,
     ]
+    if apt_repository:
+        args.append("--apt-repository=%s" % apt_repository)
+    if apt_repository_key:
+        args.append("--apt-repository-key=%s" % apt_repository_key)
     if result_dir:
         args.append("--result-dir=%s" % result_dir)
+    return args
+
+
+def build(
+    local_tree: WorkingTree,
+    outf,
+    build_command: str = DEFAULT_BUILDER,
+    result_dir: Optional[str] = None,
+    distribution: Optional[str] = None,
+    subpath: str = "",
+    source_date_epoch: Optional[int] = None,
+    apt_repository: Optional[str] = None,
+    apt_repository_key: Optional[str] = None,
+    extra_repositories: Optional[List[str]] = None,
+):
+    args = _builddeb_command(
+        build_command=build_command,
+        result_dir=result_dir,
+        apt_repository=apt_repository,
+        apt_repository_key=apt_repository_key,
+        extra_repositories=extra_repositories)
+
     outf.write("Running %r\n" % (build_command,))
     outf.flush()
     env = dict(os.environ.items())
@@ -199,22 +247,25 @@ def build(
     logging.info("Building debian packages, running %r.", build_command)
     try:
         subprocess.check_call(
-            args, cwd=local_tree.abspath(subpath), stdout=outf, stderr=outf, env=env
+            args, cwd=local_tree.abspath(subpath), stdout=outf, stderr=outf,
+            env=env
         )
     except subprocess.CalledProcessError:
         raise BuildFailedError()
 
 
 def build_once(
-    local_tree,
+    local_tree: WorkingTree,
-    build_suite,
+    build_suite: str,
-    output_directory,
+    output_directory: str,
-    build_command,
+    build_command: str,
-    subpath="",
+    subpath: str = "",
-    source_date_epoch=None,
+    source_date_epoch: Optional[int] = None,
-    extra_repositories=None
+    apt_repository: Optional[str] = None,
+    apt_repository_key: Optional[str] = None,
+    extra_repositories: Optional[List[str]] = None
 ):
-    build_log_path = os.path.join(output_directory, "build.log")
+    build_log_path = os.path.join(output_directory, BUILD_LOG_FILENAME)
     logging.debug("Writing build log to %s", build_log_path)
     try:
         with open(build_log_path, "w") as f:
@@ -226,6 +277,8 @@ def build_once(
                 distribution=build_suite,
                 subpath=subpath,
                 source_date_epoch=source_date_epoch,
+                apt_repository=apt_repository,
+                apt_repository_key=apt_repository_key,
                 extra_repositories=extra_repositories,
             )
     except BuildFailedError as e:
@@ -247,27 +300,39 @@ def build_once(
                     [], sbuild_failure.description)
 
     cl_entry = get_latest_changelog_entry(local_tree, subpath)
+    if cl_entry.package is None:
+        raise Exception('missing package in changelog entry')
     changes_names = []
-    for kind, entry in find_changes_files(output_directory, cl_entry.package, cl_entry.version):
+    for kind, entry in find_changes_files(
+            output_directory, cl_entry.package, cl_entry.version):
         changes_names.append((entry.name))
     return (changes_names, cl_entry)
 
 
+class GitBuildpackageMissing(Exception):
+    """git-buildpackage is not installed"""
+
+
 def gbp_dch(path):
+    try:
         subprocess.check_call(["gbp", "dch", "--ignore-branch"], cwd=path)
+    except FileNotFoundError:
+        raise GitBuildpackageMissing()
 
 
 def attempt_build(
-    local_tree,
+    local_tree: WorkingTree,
-    suffix,
+    suffix: str,
-    build_suite,
+    build_suite: str,
-    output_directory,
+    output_directory: str,
-    build_command,
+    build_command: str,
-    build_changelog_entry=None,
+    build_changelog_entry: Optional[str] = None,
-    subpath="",
+    subpath: str = "",
-    source_date_epoch=None,
+    source_date_epoch: Optional[int] = None,
-    run_gbp_dch=False,
+    run_gbp_dch: bool = False,
-    extra_repositories=None
+    apt_repository: Optional[str] = None,
+    apt_repository_key: Optional[str] = None,
+    extra_repositories: Optional[List[str]] = None
 ):
     """Attempt a build, with a custom distribution set.
 
@@ -282,7 +347,7 @@ def attempt_build(
       source_date_epoch: Source date epoch to set
     Returns: Tuple with (changes_name, cl_version)
     """
-    if run_gbp_dch and not subpath:
+    if run_gbp_dch and not subpath and hasattr(local_tree.controldir, '_git'):
         gbp_dch(local_tree.abspath(subpath))
     if build_changelog_entry is not None:
         add_dummy_changelog_entry(
@@ -295,5 +360,7 @@ def attempt_build(
         build_command,
         subpath,
         source_date_epoch=source_date_epoch,
+        apt_repository=apt_repository,
+        apt_repository_key=apt_repository_key,
         extra_repositories=extra_repositories,
     )

ognibuild/debian/build_deps.py

@@ -18,43 +18,46 @@
 """Tie breaking by build deps."""
 
 
+from debian.deb822 import PkgRelation
 import logging
 
+from breezy.plugins.debian.apt_repo import LocalApt, NoAptSources
+
 
 class BuildDependencyTieBreaker(object):
-    def __init__(self, rootdir):
+    def __init__(self, apt):
-        self.rootdir = rootdir
+        self.apt = apt
         self._counts = None
 
     def __repr__(self):
-        return "%s(%r)" % (type(self).__name__, self.rootdir)
+        return "%s(%r)" % (type(self).__name__, self.apt)
 
     @classmethod
     def from_session(cls, session):
-        return cls(session.location)
+        return cls(LocalApt(session.location))
 
     def _count(self):
         counts = {}
-        import apt_pkg
+        with self.apt:
-
+            for source in self.apt.iter_sources():
-        apt_pkg.init()
+                for field in ['Build-Depends', 'Build-Depends-Indep',
-        apt_pkg.config.set("Dir", self.rootdir)
+                              'Build-Depends-Arch']:
-        apt_cache = apt_pkg.SourceRecords()
+                    for r in PkgRelation.parse_relations(
-        apt_cache.restart()
+                            source.get(field, '')):
-        while apt_cache.step():
+                        for p in r:
-            try:
+                            counts.setdefault(p['name'], 0)
-                for d in apt_cache.build_depends.values():
+                            counts[p['name']] += 1
-                    for o in d:
-                        for p in o:
-                            counts.setdefault(p[0], 0)
-                            counts[p[0]] += 1
-            except AttributeError:
-                pass
         return counts
 
     def __call__(self, reqs):
         if self._counts is None:
+            try:
                 self._counts = self._count()
+            except NoAptSources:
+                logging.warning(
+                    "No 'deb-src' in sources.list, "
+                    "unable to break build-depends")
+                return None
         by_count = {}
         for req in reqs:
             try:
@@ -80,5 +83,5 @@ if __name__ == "__main__":
     parser.add_argument("req", nargs="+")
     args = parser.parse_args()
     reqs = [AptRequirement.from_str(req) for req in args.req]
-    tie_breaker = BuildDependencyTieBreaker("/")
+    tie_breaker = BuildDependencyTieBreaker(LocalApt())
     print(tie_breaker(reqs))

ognibuild/debian/file_search.py

@@ -17,12 +17,13 @@
 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 
 import apt_pkg
+import asyncio
 from datetime import datetime
 from debian.deb822 import Release
 import os
 import re
 import subprocess
-from typing import Iterator, List
+from typing import List, AsyncIterator
 import logging
 
 
@@ -32,11 +33,15 @@ from ..session import Session
 
 class FileSearcher(object):
     def search_files(
-        self, path: str, regex: bool = False, case_insensitive: bool = False
+            self, path: str, regex: bool = False,
-    ) -> Iterator[str]:
+            case_insensitive: bool = False) -> AsyncIterator[str]:
         raise NotImplementedError(self.search_files)
 
 
+class AptFileAccessError(Exception):
+    """Apt file access error."""
+
+
 class ContentsFileNotFound(Exception):
     """The contents file was not found."""
 
@@ -71,7 +76,8 @@ def contents_urls_from_sources_entry(source, arches, load_url):
             response = load_url(release_url)
         except FileNotFoundError as e:
             logging.warning(
-                "Unable to download %s or %s: %s", inrelease_url, release_url, e
+                "Unable to download %s or %s: %s", inrelease_url,
+                release_url, e
             )
             return
 
@@ -118,7 +124,7 @@ def _unwrap(f, ext):
 
 
 def load_direct_url(url):
-    from urllib.error import HTTPError
+    from urllib.error import HTTPError, URLError
     from urllib.request import urlopen, Request
 
     for ext in [".xz", ".gz", ""]:
@@ -128,7 +134,11 @@ def load_direct_url(url):
         except HTTPError as e:
             if e.status == 404:
                 continue
-            raise
+            raise AptFileAccessError(
+                'Unable to access apt URL %s: %s' % (url + ext, e))
+        except URLError as e:
+            raise AptFileAccessError(
+                'Unable to access apt URL %s: %s' % (url + ext, e))
         break
     else:
         raise FileNotFoundError(url)
@@ -187,7 +197,7 @@ class AptFileFileSearcher(FileSearcher):
 
     @classmethod
     def from_session(cls, session):
-        logging.info('Using apt-file to search apt contents')
+        logging.debug('Using apt-file to search apt contents')
         if not os.path.exists(session.external_path(cls.CACHE_IS_EMPTY_PATH)):
             from .apt import AptManager
             AptManager.from_session(session).install(['apt-file'])
@@ -195,7 +205,7 @@ class AptFileFileSearcher(FileSearcher):
             session.check_call(['apt-file', 'update'], user='root')
         return cls(session)
 
-    def search_files(self, path, regex=False, case_insensitive=False):
+    async def search_files(self, path, regex=False, case_insensitive=False):
         args = []
         if regex:
             args.append('-x')
@@ -204,15 +214,17 @@ class AptFileFileSearcher(FileSearcher):
         if case_insensitive:
             args.append('-i')
         args.append(path)
-        try:
+        process = await asyncio.create_subprocess_exec(
-            output = self.session.check_output(['/usr/bin/apt-file', 'search'] + args)
+            '/usr/bin/apt-file', 'search', *args,
-        except subprocess.CalledProcessError as e:
+            stdout=asyncio.subprocess.PIPE)
-            if e.returncode == 1:
+        (output, error) = await process.communicate(input=None)
+        if process.returncode == 1:
             # No results
             return
-            if e.returncode == 3:
+        elif process.returncode == 3:
             raise Exception('apt-file cache is empty')
-            raise
+        elif process.returncode != 0:
+            raise Exception("unexpected return code %d" % process.returncode)
 
         for line in output.splitlines(False):
             pkg, path = line.split(b': ')
@@ -253,7 +265,8 @@ class RemoteContentsFileSearcher(FileSearcher):
             return load_url_with_cache(url, cache_dirs)
 
         urls = list(
-            contents_urls_from_sourceslist(sl, get_build_architecture(), load_url)
+            contents_urls_from_sourceslist(
+                sl, get_build_architecture(), load_url)
         )
         self._load_urls(urls, cache_dirs, load_url)
 
@@ -277,8 +290,8 @@ class RemoteContentsFileSearcher(FileSearcher):
             return load_url_with_cache(url, cache_dirs)
 
         urls = list(
-            contents_urls_from_sourceslist(sl, get_build_architecture(), load_url)
+            contents_urls_from_sourceslist(
-        )
+                sl, get_build_architecture(), load_url))
         self._load_urls(urls, cache_dirs, load_url)
 
     def _load_urls(self, urls, cache_dirs, load_url):
@@ -286,13 +299,16 @@ class RemoteContentsFileSearcher(FileSearcher):
             try:
                 f = load_url(url)
                 self.load_file(f, url)
+            except ConnectionResetError:
+                logging.warning("Connection reset error retrieving %s", url)
+                # TODO(jelmer): Retry?
             except ContentsFileNotFound:
                 logging.warning("Unable to fetch contents file %s", url)
 
     def __setitem__(self, path, package):
         self._db[path] = package
 
-    def search_files(self, path, regex=False, case_insensitive=False):
+    async def search_files(self, path, regex=False, case_insensitive=False):
         path = path.lstrip("/").encode("utf-8", "surrogateescape")
         if case_insensitive and not regex:
             regex = True
@@ -338,9 +354,9 @@ class GeneratedFileSearcher(FileSearcher):
                 (path, pkg) = line.strip().split(None, 1)
                 self._db.append(path, pkg)
 
-    def search_files(
+    async def search_files(
-        self, path: str, regex: bool = False, case_insensitive: bool = False
+            self, path: str, regex: bool = False,
-    ) -> Iterator[str]:
+            case_insensitive: bool = False):
         for p, pkg in self._db:
             if regex:
                 flags = 0
@@ -371,16 +387,17 @@ GENERATED_FILE_SEARCHER = GeneratedFileSearcher(
 )
 
 
-def get_packages_for_paths(
+async def get_packages_for_paths(
     paths: List[str],
     searchers: List[FileSearcher],
     regex: bool = False,
     case_insensitive: bool = False,
 ) -> List[str]:
     candidates: List[str] = list()
+    # TODO(jelmer): Combine these, perhaps by creating one gigantic regex?
     for path in paths:
         for searcher in searchers:
-            for pkg in searcher.search_files(
+            async for pkg in searcher.search_files(
                 path, regex=regex, case_insensitive=case_insensitive
             ):
                 if pkg not in candidates:
@@ -393,8 +410,10 @@ def main(argv):
     from ..session.plain import PlainSession
 
     parser = argparse.ArgumentParser()
-    parser.add_argument("path", help="Path to search for.", type=str, nargs="*")
+    parser.add_argument(
-    parser.add_argument("--regex", "-x", help="Search for regex.", action="store_true")
+        "path", help="Path to search for.", type=str, nargs="*")
+    parser.add_argument(
+        "--regex", "-x", help="Search for regex.", action="store_true")
     parser.add_argument("--debug", action="store_true")
     args = parser.parse_args()
 
@@ -403,11 +422,12 @@ def main(argv):
     else:
         logging.basicConfig(level=logging.INFO)
 
-    main_searcher = get_apt_contents_file_searcher(PlainSession())
+    with PlainSession() as session:
-    main_searcher.load_local()
+        main_searcher = get_apt_contents_file_searcher(session)
         searchers = [main_searcher, GENERATED_FILE_SEARCHER]
 
-    packages = get_packages_for_paths(args.path, searchers=searchers, regex=args.regex)
+        packages = asyncio.run(get_packages_for_paths(
+            args.path, searchers=searchers, regex=args.regex))
         for package in packages:
             print(package)
 

ognibuild/debian/fix_build.py

@@ -22,10 +22,10 @@ __all__ = [
 from functools import partial
 import logging
 import os
-import re
 import shutil
 import sys
-from typing import List, Set, Optional, Type
+import time
+from typing import List, Set, Optional, Type, Tuple
 
 from debian.deb822 import (
     Deb822,
@@ -34,6 +34,8 @@ from debian.deb822 import (
 
 from breezy.commit import PointlessCommit, NullCommitReporter
 from breezy.tree import Tree
+from breezy.workingtree import WorkingTree
+
 from debmutate.changelog import ChangelogEditor
 from debmutate.control import (
     ensure_relation,
@@ -50,49 +52,7 @@ from debmutate.reformatting import (
     GeneratedFile,
 )
 
-try:
 from breezy.workspace import reset_tree
-except ImportError:  # breezy < 3.2
-
-    def delete_items(deletables, dry_run=False):
-        """Delete files in the deletables iterable"""
-        import errno
-        import shutil
-
-        def onerror(function, path, excinfo):
-            """Show warning for errors seen by rmtree."""
-            # Handle only permission error while removing files.
-            # Other errors are re-raised.
-            if function is not os.remove or excinfo[1].errno != errno.EACCES:
-                raise
-            logging.warning("unable to remove %s" % path)
-
-        for path, subp in deletables:
-            if os.path.isdir(path):
-                shutil.rmtree(path, onerror=onerror)
-            else:
-                try:
-                    os.unlink(path)
-                except OSError as e:
-                    # We handle only permission error here
-                    if e.errno != errno.EACCES:
-                        raise e
-                    logging.warning('unable to remove "%s": %s.', path, e.strerror)
-
-    def reset_tree(local_tree, subpath=""):
-        from breezy.transform import revert
-        from breezy.clean_tree import iter_deletables
-
-        revert(
-            local_tree,
-            local_tree.branch.basis_tree(),
-            [subpath] if subpath not in (".", "") else None,
-        )
-        deletables = list(
-            iter_deletables(local_tree, unknown=True, ignored=False, detritus=False)
-        )
-        delete_items(deletables)
-
 
 from debmutate._rules import (
     dh_invoke_add_with,
@@ -113,18 +73,21 @@ from buildlog_consultant.common import (
 )
 from buildlog_consultant.sbuild import (
     DebcargoUnacceptablePredicate,
+    DebcargoUnacceptableComparator,
     )
 
 from .build import (
     DetailedDebianBuildFailure,
     UnidentifiedDebianBuildError,
     )
+from ..logs import rotate_logfile
 from ..buildlog import problem_to_upstream_requirement
 from ..fix_build import BuildFixer, resolve_error
 from ..resolver.apt import (
     AptRequirement,
 )
-from .build import attempt_build, DEFAULT_BUILDER
+from .apt import AptManager
+from .build import attempt_build, DEFAULT_BUILDER, BUILD_LOG_FILENAME
 
 
 DEFAULT_MAX_ITERATIONS = 10
@@ -150,7 +113,9 @@ class DebianPackagingContext(object):
     def abspath(self, *parts):
         return self.tree.abspath(os.path.join(self.subpath, *parts))
 
-    def commit(self, summary: str, update_changelog: Optional[bool] = None) -> bool:
+    def commit(
+            self, summary: str,
+            update_changelog: Optional[bool] = None) -> bool:
         if update_changelog is None:
             update_changelog = self.update_changelog
         with self.tree.lock_write():
@@ -214,6 +179,11 @@ def add_dependency(context, phase, requirement: AptRequirement):
         return add_test_dependency(context, phase[1], requirement)
     elif phase[0] == "build":
         return add_build_dependency(context, requirement)
+    elif phase[0] == "buildenv":
+        # TODO(jelmer): Actually, we probably just want to install it on the
+        # host system?
+        logging.warning("Unknown phase %r", phase)
+        return False
     else:
         logging.warning("Unknown phase %r", phase)
         return False
@@ -231,16 +201,19 @@ def add_build_dependency(context, requirement: AptRequirement):
                     raise CircularDependency(binary["Package"])
             for rel in requirement.relations:
                 updater.source["Build-Depends"] = ensure_relation(
-                    updater.source.get("Build-Depends", ""), PkgRelation.str([rel])
+                    updater.source.get("Build-Depends", ""),
+                    PkgRelation.str([rel])
                 )
     except FormattingUnpreservable as e:
-        logging.info("Unable to edit %s in a way that preserves formatting.", e.path)
+        logging.info(
+            "Unable to edit %s in a way that preserves formatting.", e.path)
         return False
 
     desc = requirement.pkg_relation_str()
 
     if not updater.changed:
-        logging.info("Giving up; dependency %s was already present.", desc)
+        logging.info(
+            "Giving up; build dependency %s was already present.", desc)
         return False
 
     logging.info("Adding build dependency: %s", desc)
@@ -272,13 +245,18 @@ def add_test_dependency(context, testname, requirement):
                         control.get("Depends", ""), PkgRelation.str([rel])
                     )
     except FormattingUnpreservable as e:
-        logging.info("Unable to edit %s in a way that preserves formatting.", e.path)
+        logging.info(
-        return False
+            "Unable to edit %s in a way that preserves formatting.", e.path)
-    if not updater.changed:
         return False
 
     desc = requirement.pkg_relation_str()
 
+    if not updater.changed:
+        logging.info(
+            "Giving up; dependency %s for test %s was already present.",
+            desc, testname)
+        return False
+
     logging.info("Adding dependency to test %s: %s", testname, desc)
     return context.commit(
         "Add missing dependency for test %s on %s." % (testname, desc),
@@ -288,7 +266,8 @@ def add_test_dependency(context, testname, requirement):
 def targeted_python_versions(tree: Tree, subpath: str) -> List[str]:
     with tree.get_file(os.path.join(subpath, "debian/control")) as f:
         control = Deb822(f)
-    build_depends = PkgRelation.parse_relations(control.get("Build-Depends", ""))
+    build_depends = PkgRelation.parse_relations(
+        control.get("Build-Depends", ""))
     all_build_deps: Set[str] = set()
     for or_deps in build_depends:
         all_build_deps.update(or_dep["name"] for or_dep in or_deps)
@@ -312,7 +291,7 @@ def python_tie_breaker(tree, subpath, reqs):
             return True
         if pkg.startswith("lib%s-" % python_version):
             return True
-        if re.match(r'lib%s\.[0-9]-dev' % python_version, pkg):
+        if pkg == r'lib%s-dev' % python_version:
             return True
         return False
 
@@ -337,7 +316,8 @@ def retry_apt_failure(error, phase, apt, context):
 def enable_dh_autoreconf(context, phase):
     # Debhelper >= 10 depends on dh-autoreconf and enables autoreconf by
     # default.
-    debhelper_compat_version = get_debhelper_compat_level(context.tree.abspath("."))
+    debhelper_compat_version = get_debhelper_compat_level(
+        context.tree.abspath("."))
     if debhelper_compat_version is not None and debhelper_compat_version < 10:
 
         def add_with_autoreconf(line, target):
@@ -356,9 +336,8 @@ def enable_dh_autoreconf(context, phase):
 
 
 def fix_missing_configure(error, phase, context):
-    if not context.tree.has_filename("configure.ac") and not context.tree.has_filename(
+    if (not context.tree.has_filename("configure.ac")
-        "configure.in"
+            and not context.tree.has_filename("configure.in")):
-    ):
         return False
 
     return enable_dh_autoreconf(context, phase)
@@ -433,7 +412,7 @@ def fix_missing_makefile_pl(error, phase, context):
     return False
 
 
-def coerce_unacceptable_predicate(error, phase, context):
+def debcargo_coerce_unacceptable_prerelease(error, phase, context):
     from debmutate.debcargo import DebcargoEditor
     with DebcargoEditor(context.abspath('debian/debcargo.toml')) as editor:
         editor['allow_prerelease_deps'] = True
@@ -461,7 +440,8 @@ class SimpleBuildFixer(BuildFixer):
 
 
 class DependencyBuildFixer(BuildFixer):
-    def __init__(self, packaging_context, apt_resolver, problem_cls: Type[Problem], fn):
+    def __init__(self, packaging_context, apt_resolver,
+                 problem_cls: Type[Problem], fn):
         self.context = packaging_context
         self.apt_resolver = apt_resolver
         self._problem_cls = problem_cls
@@ -481,31 +461,46 @@ class DependencyBuildFixer(BuildFixer):
         return self._fn(problem, phase, self.apt_resolver, self.context)
 
 
-def versioned_package_fixers(session, packaging_context, apt):
+def versioned_package_fixers(session, packaging_context, apt: AptManager):
     return [
         PgBuildExtOutOfDateControlFixer(packaging_context, session, apt),
-        SimpleBuildFixer(packaging_context, MissingConfigure, fix_missing_configure),
+        SimpleBuildFixer(
+            packaging_context, MissingConfigure, fix_missing_configure),
         SimpleBuildFixer(
             packaging_context, MissingAutomakeInput, fix_missing_automake_input
         ),
         SimpleBuildFixer(
-            packaging_context, MissingConfigStatusInput, fix_missing_config_status_input
+            packaging_context, MissingConfigStatusInput,
+            fix_missing_config_status_input
         ),
-        SimpleBuildFixer(packaging_context, MissingPerlFile, fix_missing_makefile_pl),
+        SimpleBuildFixer(
-        SimpleBuildFixer(packaging_context, DebcargoUnacceptablePredicate, coerce_unacceptable_predicate),
+            packaging_context, MissingPerlFile, fix_missing_makefile_pl),
+        SimpleBuildFixer(
+            packaging_context, DebcargoUnacceptablePredicate,
+            debcargo_coerce_unacceptable_prerelease),
+        SimpleBuildFixer(
+            packaging_context, DebcargoUnacceptableComparator,
+            debcargo_coerce_unacceptable_prerelease),
     ]
 
 
-def apt_fixers(apt, packaging_context) -> List[BuildFixer]:
+def apt_fixers(apt: AptManager, packaging_context,
+               dep_server_url: Optional[str] = None) -> List[BuildFixer]:
     from ..resolver.apt import AptResolver
     from .udd import popcon_tie_breaker
     from .build_deps import BuildDependencyTieBreaker
 
     apt_tie_breakers = [
-        partial(python_tie_breaker, packaging_context.tree, packaging_context.subpath),
+        partial(python_tie_breaker, packaging_context.tree,
+                packaging_context.subpath),
         BuildDependencyTieBreaker.from_session(apt.session),
         popcon_tie_breaker,
     ]
+    resolver: AptResolver
+    if dep_server_url:
+        from ..resolver.dep_server import DepServerAptResolver
+        resolver = DepServerAptResolver(apt, dep_server_url, apt_tie_breakers)
+    else:
         resolver = AptResolver(apt, apt_tie_breakers)
     return [
         DependencyBuildFixer(
@@ -515,38 +510,49 @@ def apt_fixers(apt, packaging_context) -> List[BuildFixer]:
     ]
 
 
-def default_fixers(local_tree, subpath, apt, committer=None, update_changelog=None):
+def default_fixers(
+        local_tree: WorkingTree,
+        subpath: str, apt: AptManager,
+        committer: Optional[str] = None,
+        update_changelog: Optional[bool] = None,
+        dep_server_url: Optional[str] = None):
     packaging_context = DebianPackagingContext(
         local_tree, subpath, committer, update_changelog,
         commit_reporter=NullCommitReporter()
     )
-    return versioned_package_fixers(apt.session, packaging_context, apt) + apt_fixers(
+    return (versioned_package_fixers(apt.session, packaging_context, apt)
-        apt, packaging_context
+            + apt_fixers(apt, packaging_context, dep_server_url))
-    )
 
 
 def build_incrementally(
-    local_tree,
+    local_tree: WorkingTree,
-    apt,
+    apt: AptManager,
-    suffix,
+    suffix: str,
-    build_suite,
+    build_suite: str,
-    output_directory,
+    output_directory: str,
-    build_command,
+    build_command: str,
     build_changelog_entry,
-    committer=None,
+    committer: Optional[str] = None,
-    max_iterations=DEFAULT_MAX_ITERATIONS,
+    max_iterations: int = DEFAULT_MAX_ITERATIONS,
-    subpath="",
+    subpath: str = "",
     source_date_epoch=None,
-    update_changelog=True,
+    update_changelog: bool = True,
-    extra_repositories=None,
+    apt_repository: Optional[str] = None,
-    fixers=None
+    apt_repository_key: Optional[str] = None,
+    extra_repositories: Optional[List[str]] = None,
+    fixers: Optional[List[BuildFixer]] = None,
+    run_gbp_dch: Optional[bool] = None,
+    dep_server_url: Optional[str] = None,
 ):
-    fixed_errors = []
+    fixed_errors: List[Tuple[Problem, str]] = []
     if fixers is None:
         fixers = default_fixers(
             local_tree, subpath, apt, committer=committer,
-            update_changelog=update_changelog)
+            update_changelog=update_changelog,
+            dep_server_url=dep_server_url)
     logging.info("Using fixers: %r", fixers)
+    if run_gbp_dch is None:
+        run_gbp_dch = (update_changelog is False)
     while True:
         try:
             return attempt_build(
@@ -558,7 +564,9 @@ def build_incrementally(
                 build_changelog_entry,
                 subpath=subpath,
                 source_date_epoch=source_date_epoch,
-                run_gbp_dch=(update_changelog is False),
+                run_gbp_dch=run_gbp_dch,
+                apt_repository=apt_repository,
+                apt_repository_key=apt_repository_key,
                 extra_repositories=extra_repositories,
             )
         except UnidentifiedDebianBuildError:
@@ -569,15 +577,19 @@ def build_incrementally(
                 logging.info("No relevant context, not making any changes.")
                 raise
             if (e.error, e.phase) in fixed_errors:
-                logging.warning("Error was still not fixed on second try. Giving up.")
+                logging.warning(
+                    "Error was still not fixed on second try. Giving up.")
                 raise
-            if max_iterations is not None and len(fixed_errors) > max_iterations:
+            if (max_iterations is not None
-                logging.warning("Last fix did not address the issue. Giving up.")
+                    and len(fixed_errors) > max_iterations):
+                logging.warning(
+                    "Last fix did not address the issue. Giving up.")
                 raise
             reset_tree(local_tree, subpath=subpath)
             try:
                 if not resolve_error(e.error, e.phase, fixers):
-                    logging.warning("Failed to resolve error %r. Giving up.", e.error)
+                    logging.warning(
+                        "Failed to resolve error %r. Giving up.", e.error)
                     raise
             except GeneratedFile:
                 logging.warning(
@@ -588,71 +600,71 @@ def build_incrementally(
                 raise e
             except CircularDependency:
                 logging.warning(
-                    "Unable to fix %r; it would introduce a circular " "dependency.",
+                    "Unable to fix %r; it would introduce a circular "
+                    "dependency.",
                     e.error,
                 )
                 raise e
             fixed_errors.append((e.error, e.phase))
-            if os.path.exists(os.path.join(output_directory, "build.log")):
+            rotate_logfile(os.path.join(output_directory, BUILD_LOG_FILENAME))
-                i = 1
-                while os.path.exists(
-                    os.path.join(output_directory, "build.log.%d" % i)
-                ):
-                    i += 1
-                target_path = os.path.join(output_directory, "build.log.%d" % i)
-                os.rename(os.path.join(output_directory, "build.log"), target_path)
-                logging.debug("Storing build log at %s", target_path)
 
 
 def main(argv=None):
     import argparse
 
     parser = argparse.ArgumentParser("ognibuild.debian.fix_build")
-    parser.add_argument(
+    modifications = parser.add_argument_group('Modifications')
-        "--suffix", type=str, help="Suffix to use for test builds.", default="fixbuild1"
+    modifications.add_argument(
+        "--suffix", type=str, help="Suffix to use for test builds.",
+        default="fixbuild1"
     )
-    parser.add_argument(
+    modifications.add_argument(
         "--suite", type=str, help="Suite to target.", default="unstable"
     )
-    parser.add_argument(
+    modifications.add_argument(
-        "--output-directory", type=str, help="Output directory.", default=None
+        "--committer", type=str, help="Committer string (name and email)",
+        default=None
     )
-    parser.add_argument(
+    modifications.add_argument(
-        "--committer", type=str, help="Committer string (name and email)", default=None
-    )
-    parser.add_argument(
-        "--build-command",
-        type=str,
-        help="Build command",
-        default=(DEFAULT_BUILDER + " -A -s -v"),
-    )
-    parser.add_argument(
         "--no-update-changelog",
         action="store_false",
         default=None,
         dest="update_changelog",
         help="do not update the changelog",
     )
-    parser.add_argument(
+    modifications.add_argument(
-        '--max-iterations',
-        type=int,
-        default=DEFAULT_MAX_ITERATIONS,
-        help='Maximum number of issues to attempt to fix before giving up.')
-    parser.add_argument(
         "--update-changelog",
         action="store_true",
         dest="update_changelog",
         help="force updating of the changelog",
         default=None,
     )
-    parser.add_argument("--schroot", type=str, help="chroot to use.")
+    build_behaviour = parser.add_argument_group('Build Behaviour')
+    build_behaviour.add_argument(
+        "--output-directory", type=str, help="Output directory.", default=None
+    )
+    build_behaviour.add_argument(
+        "--build-command",
+        type=str,
+        help="Build command",
+        default=(DEFAULT_BUILDER + " -A -s -v"),
+    )
+
+    build_behaviour.add_argument(
+        '--max-iterations',
+        type=int,
+        default=DEFAULT_MAX_ITERATIONS,
+        help='Maximum number of issues to attempt to fix before giving up.')
+    build_behaviour.add_argument("--schroot", type=str, help="chroot to use.")
+    parser.add_argument(
+        "--dep-server-url", type=str,
+        help="ognibuild dep server to use",
+        default=os.environ.get('OGNIBUILD_DEPS'))
     parser.add_argument("--verbose", action="store_true", help="Be verbose")
 
     args = parser.parse_args()
-    from breezy.workingtree import WorkingTree
     import breezy.git  # noqa: F401
     import breezy.bzr  # noqa: F401
-    from .apt import AptManager
     from ..session.plain import PlainSession
     from ..session.schroot import SchrootSession
     import tempfile
@@ -669,6 +681,10 @@ def main(argv=None):
             logging.info("Using output directory %s", output_directory)
         else:
             output_directory = args.output_directory
+            if not os.path.isdir(output_directory):
+                parser.error(
+                    'output directory %s is not a directory'
+                    % output_directory)
 
         tree = WorkingTree.open(".")
         if args.schroot:
@@ -692,6 +708,7 @@ def main(argv=None):
                 committer=args.committer,
                 update_changelog=args.update_changelog,
                 max_iterations=args.max_iterations,
+                dep_server_url=args.dep_server_url,
             )
         except DetailedDebianBuildFailure as e:
             if e.phase is None:
@@ -701,6 +718,21 @@ def main(argv=None):
             else:
                 phase = "%s (%s)" % (e.phase[0], e.phase[1])
             logging.fatal("Error during %s: %s", phase, e.error)
+            if not args.output_directory:
+                xdg_cache_dir = os.environ.get(
+                    'XDG_CACHE_HOME', os.path.expanduser('~/.cache'))
+                buildlogs_dir = os.path.join(
+                    xdg_cache_dir, 'ognibuild', 'buildlogs')
+                os.makedirs(buildlogs_dir, exist_ok=True)
+                target_log_file = os.path.join(
+                    buildlogs_dir,
+                    '%s-%s.log' % (
+                        os.path.basename(getattr(tree, 'basedir', 'build')),
+                        time.strftime('%Y-%m-%d_%H%M%s')))
+                shutil.copy(
+                    os.path.join(output_directory, 'build.log'),
+                    target_log_file)
+                logging.info('Build log available in %s', target_log_file)
             return 1
         except UnidentifiedDebianBuildError as e:
             if e.phase is None:

ognibuild/debian/udd.py

@@ -35,7 +35,8 @@ class UDD(object):
     def get_most_popular(self, packages):
         cursor = self._conn.cursor()
         cursor.execute(
-            "SELECT package FROM popcon WHERE package IN %s ORDER BY insts DESC LIMIT 1",
+            "SELECT package FROM popcon "
+            "WHERE package IN %s ORDER BY insts DESC LIMIT 1",
             (tuple(packages),),
         )
         return cursor.fetchone()[0]
@@ -54,7 +55,8 @@ def popcon_tie_breaker(candidates):
     names = {list(c.package_names())[0]: c for c in candidates}
     winner = udd.get_most_popular(list(names.keys()))
     if winner is None:
-        logging.warning("No relevant popcon information found, not ranking by popcon")
+        logging.warning(
+            "No relevant popcon information found, not ranking by popcon")
         return None
     logging.info("Picked winner using popcon")
     return names[winner]

ognibuild/dep_server.py

@@ -0,0 +1,126 @@
+#!/usr/bin/python
+# Copyright (C) 2022 Jelmer Vernooij <jelmer@jelmer.uk>
+# encoding: utf-8
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+
+import logging
+import sys
+
+from aiohttp import web
+from aiohttp_openmetrics import setup_metrics
+
+from . import Requirement, UnknownRequirementFamily
+from .debian.apt import AptManager
+from .resolver.apt import resolve_requirement_apt
+
+SUPPORTED_RELEASES = ['unstable', 'sid']
+
+
+routes = web.RouteTableDef()
+
+
+@routes.get('/health', name='health')
+async def handle_health(request):
+    return web.Response(text='ok')
+
+
+@routes.get('/families', name='families')
+async def handle_families(request):
+    return web.json_response(list(Requirement._JSON_DESERIALIZERS.keys()))
+
+
+@routes.post('/resolve-apt', name='resolve-apt')
+async def handle_apt(request):
+    js = await request.json()
+    try:
+        req_js = js['requirement']
+    except KeyError:
+        raise web.HTTPBadRequest(text="json missing 'requirement' key")
+    release = js.get('release')
+    if release and release not in SUPPORTED_RELEASES:
+        return web.json_response(
+            {"reason": "unsupported-release", "release": release},
+            status=404)
+    try:
+        req = Requirement.from_json(req_js)
+    except UnknownRequirementFamily as e:
+        return web.json_response(
+            {"reason": "family-unknown", "family": e.family}, status=404)
+    apt_reqs = await resolve_requirement_apt(request.app['apt_mgr'], req)
+    return web.json_response([r.pkg_relation_str() for r in apt_reqs])
+
+
+@routes.get('/resolve-apt/{release}/{family}:{arg}', name='resolve-apt-simple')
+async def handle_apt_simple(request):
+    if request.match_info['release'] not in SUPPORTED_RELEASES:
+        return web.json_response(
+            {"reason": "unsupported-release",
+             "release": request.match_info['release']},
+            status=404)
+    try:
+        req = Requirement.from_json(
+            (request.match_info['family'], request.match_info['arg']))
+    except UnknownRequirementFamily as e:
+        return web.json_response(
+            {"reason": "family-unknown", "family": e.family}, status=404)
+    apt_reqs = await resolve_requirement_apt(request.app['apt_mgr'], req)
+    return web.json_response([r.pkg_relation_str() for r in apt_reqs])
+
+
+def main():
+    import argparse
+    parser = argparse.ArgumentParser()
+    parser.add_argument('--listen-address', type=str, help='Listen address')
+    parser.add_argument('--schroot', type=str, help='Schroot session to use')
+    parser.add_argument('--port', type=str, help='Listen port', default=9934)
+    parser.add_argument('--debug', action='store_true')
+    parser.add_argument(
+        "--gcp-logging", action='store_true', help='Use Google cloud logging.')
+    args = parser.parse_args()
+
+    if args.gcp_logging:
+        import google.cloud.logging
+        client = google.cloud.logging.Client()
+        client.get_default_handler()
+        client.setup_logging()
+    else:
+        if args.debug:
+            log_level = logging.DEBUG
+        else:
+            log_level = logging.INFO
+
+        logging.basicConfig(
+            level=log_level,
+            format="[%(asctime)s] %(message)s",
+            datefmt="%Y-%m-%d %H:%M:%S")
+
+    if args.schroot:
+        from .session.schroot import SchrootSession
+        session = SchrootSession(args.schroot)
+    else:
+        from .session.plain import PlainSession
+        session = PlainSession()
+    with session:
+        app = web.Application()
+        app.router.add_routes(routes)
+        app['apt_mgr'] = AptManager.from_session(session)
+        setup_metrics(app)
+
+        web.run_app(app, host=args.listen_address, port=args.port)
+
+
+if __name__ == '__main__':
+    sys.exit(main())

ognibuild/dist.py

@@ -18,18 +18,19 @@
 __all__ = [
     "UnidentifiedError",
     "DetailedFailure",
-    "create_dist",
+    "run_dist",
     "create_dist_schroot",
+    "create_dist",
+    "dist",
 ]
 
 import errno
+from functools import partial
 import logging
 import os
 import sys
 from typing import Optional, List
 
-from debian.deb822 import Deb822
-
 from breezy.tree import Tree
 from breezy.workingtree import WorkingTree
 
@@ -37,16 +38,78 @@ from buildlog_consultant.common import (
     NoSpaceOnDevice,
 )
 
+from debian.deb822 import Deb822
+
 
 from . import DetailedFailure, UnidentifiedError
 from .dist_catcher import DistNoTarball
+from .fix_build import iterate_with_build_fixers
+from .logs import LogManager, NoLogManager
 from .buildsystem import NoBuildToolsFound
 from .resolver import auto_resolver
 from .session import Session
 from .session.schroot import SchrootSession
 
 
-def run_dist(session, buildsystems, resolver, fixers, target_directory, quiet=False):
+DIST_LOG_FILENAME = 'dist.log'
+
+
+def run_dist(session, buildsystems, resolver, fixers, target_directory,
+             quiet=False, log_manager=None):
+    # Some things want to write to the user's home directory,
+    # e.g. pip caches in ~/.cache
+    session.create_home()
+
+    logging.info('Using dependency resolver: %s', resolver)
+
+    if log_manager is None:
+        log_manager = NoLogManager()
+
+    for buildsystem in buildsystems:
+        filename = iterate_with_build_fixers(fixers, log_manager.wrap(
+            partial(buildsystem.dist, session, resolver, target_directory,
+                    quiet=quiet)))
+        return filename
+
+    raise NoBuildToolsFound()
+
+
+def dist(session, export_directory, reldir, target_dir, log_manager, *,
+         version: Optional[str] = None, quiet=False):
+    from .fix_build import BuildFixer
+    from .buildsystem import detect_buildsystems
+    from .buildlog import InstallFixer
+    from .fixers import (
+        GitIdentityFixer,
+        MissingGoSumEntryFixer,
+        SecretGpgKeyFixer,
+        UnexpandedAutoconfMacroFixer,
+        GnulibDirectoryFixer,
+    )
+
+    if version:
+        # TODO(jelmer): Shouldn't include backend-specific code here
+        os.environ['SETUPTOOLS_SCM_PRETEND_VERSION'] = version
+
+    # TODO(jelmer): use scan_buildsystems to also look in subdirectories
+    buildsystems = list(detect_buildsystems(export_directory))
+    resolver = auto_resolver(session)
+    fixers: List[BuildFixer] = [
+        UnexpandedAutoconfMacroFixer(session, resolver),
+        GnulibDirectoryFixer(session),
+        MissingGoSumEntryFixer(session)]
+
+    fixers.append(InstallFixer(resolver))
+
+    if session.is_temporary:
+        # Only muck about with temporary sessions
+        fixers.extend([
+            GitIdentityFixer(session),
+            SecretGpgKeyFixer(session),
+        ])
+
+    session.chdir(reldir)
+
     # Some things want to write to the user's home directory,
     # e.g. pip caches in ~/.cache
     session.create_home()
@@ -54,31 +117,34 @@ def run_dist(session, buildsystems, resolver, fixers, target_directory, quiet=Fa
     logging.info('Using dependency resolver: %s', resolver)
 
     for buildsystem in buildsystems:
-        filename = buildsystem.dist(
+        filename = iterate_with_build_fixers(fixers, log_manager.wrap(
-            session, resolver, fixers, target_directory, quiet=quiet
+            partial(
-        )
+                buildsystem.dist, session, resolver, target_dir,
+                quiet=quiet)))
         return filename
 
     raise NoBuildToolsFound()
 
 
+# This is the function used by debianize()
 def create_dist(
     session: Session,
     tree: Tree,
     target_dir: str,
     include_controldir: bool = True,
     subdir: Optional[str] = None,
-    cleanup: bool = False,
+    log_manager: Optional[LogManager] = None,
+    version: Optional[str] = None,
 ) -> Optional[str]:
-    from .buildsystem import detect_buildsystems
+    """Create a dist tarball for a tree.
-    from .buildlog import InstallFixer
-    from .fix_build import BuildFixer
-    from .fixers import (
-        GitIdentityFixer,
-        SecretGpgKeyFixer,
-        UnexpandedAutoconfMacroFixer,
-    )
 
+    Args:
+      session: session to run it
+      tree: Tree object to work in
+      target_dir: Directory to write tarball into
+      include_controldir: Whether to include the version control directory
+      subdir: subdirectory in the tree to operate in
+    """
     if subdir is None:
         subdir = "package"
     try:
@@ -90,19 +156,11 @@ def create_dist(
             raise DetailedFailure(1, ["mkdtemp"], NoSpaceOnDevice())
         raise
 
-    # TODO(jelmer): use scan_buildsystems to also look in subdirectories
+    if log_manager is None:
-    buildsystems = list(detect_buildsystems(export_directory))
+        log_manager = NoLogManager()
-    resolver = auto_resolver(session)
-    fixers: List[BuildFixer] = [UnexpandedAutoconfMacroFixer(session, resolver)]
 
-    fixers.append(InstallFixer(resolver))
+    return dist(session, export_directory, reldir, target_dir,
-
+                log_manager=log_manager, version=version)
-    if session.is_temporary:
-        # Only muck about with temporary sessions
-        fixers.extend([GitIdentityFixer(session), SecretGpgKeyFixer(session)])
-
-    session.chdir(reldir)
-    return run_dist(session, buildsystems, resolver, fixers, target_dir)
 
 
 def create_dist_schroot(
@@ -113,30 +171,35 @@ def create_dist_schroot(
     packaging_subpath: Optional[str] = None,
     include_controldir: bool = True,
     subdir: Optional[str] = None,
-    cleanup: bool = False,
+    log_manager: Optional[LogManager] = None,
 ) -> Optional[str]:
+    """Create a dist tarball for a tree.
+
+    Args:
+      session: session to run it
+      tree: Tree object to work in
+      target_dir: Directory to write tarball into
+      include_controldir: Whether to include the version control directory
+      subdir: subdirectory in the tree to operate in
+    """
     with SchrootSession(chroot) as session:
         if packaging_tree is not None:
             from .debian import satisfy_build_deps
 
             satisfy_build_deps(session, packaging_tree, packaging_subpath)
         return create_dist(
-            session,
+                session, tree, target_dir,
-            tree,
+                include_controldir=include_controldir, subdir=subdir,
-            target_dir,
+                log_manager=log_manager)
-            include_controldir=include_controldir,
-            subdir=subdir,
-            cleanup=cleanup,
-        )
 
 
-if __name__ == "__main__":
+def main(argv=None):
     import argparse
     import breezy.bzr  # noqa: F401
     import breezy.git  # noqa: F401
     from breezy.export import export
 
-    parser = argparse.ArgumentParser()
+    parser = argparse.ArgumentParser(argv)
     parser.add_argument(
         "--chroot",
         default="unstable-amd64-sbuild",
@@ -157,8 +220,12 @@ if __name__ == "__main__":
         "--target-directory", type=str, default="..", help="Target directory"
     )
     parser.add_argument("--verbose", action="store_true", help="Be verbose")
+    parser.add_argument("--mode", choices=["auto", "vcs", "buildsystem"],
+                        type=str,
+                        help="Mechanism to use to create buildsystem")
     parser.add_argument(
-        "--include-controldir", action="store_true", help="Clone rather than export."
+        "--include-controldir", action="store_true",
+        help="Clone rather than export."
     )
 
     args = parser.parse_args()
@@ -169,6 +236,10 @@ if __name__ == "__main__":
         logging.basicConfig(level=logging.INFO, format="%(message)s")
 
     tree = WorkingTree.open(args.directory)
+
+    packaging_tree: Optional[WorkingTree]
+    subdir: Optional[str]
+
     if args.packaging_directory:
         packaging_tree = WorkingTree.open(args.packaging_directory)
         with packaging_tree.lock_read():
@@ -179,6 +250,9 @@ if __name__ == "__main__":
         packaging_tree = None
         subdir = None
 
+    if args.mode == 'vcs':
+        export(tree, "dist.tar.gz", "tgz", None)
+    elif args.mode in ('auto', 'buildsystem'):
         try:
             ret = create_dist_schroot(
                 tree,
@@ -188,10 +262,17 @@ if __name__ == "__main__":
                 chroot=args.chroot,
                 include_controldir=args.include_controldir,
             )
-    except (NoBuildToolsFound, NotImplementedError):
+        except NoBuildToolsFound:
-        logging.info("No build tools found, falling back to simple export.")
+            if args.mode == 'buildsystem':
+                logging.fatal('No build tools found, unable to create tarball')
+                return 1
+            logging.info(
+                "No build tools found, falling back to simple export.")
             export(tree, "dist.tar.gz", "tgz", None)
         except NotImplementedError:
+            if args.mode == 'buildsystem':
+                logging.fatal('Unable to ask buildsystem for tarball')
+                return 1
             logging.info(
                 "Build system does not support dist tarball creation, "
                 "falling back to simple export."
@@ -199,10 +280,17 @@ if __name__ == "__main__":
             export(tree, "dist.tar.gz", "tgz", None)
         except UnidentifiedError as e:
             logging.fatal("Unidentified error: %r", e.lines)
+            return 1
         except DetailedFailure as e:
             logging.fatal("Identified error during dist creation: %s", e.error)
+            return 1
         except DistNoTarball:
             logging.fatal("dist operation did not create a tarball")
+            return 1
         else:
             logging.info("Created %s", ret)
-    sys.exit(0)
+    return 0
+
+
+if __name__ == "__main__":
+    sys.exit(main(sys.argv[1:]))

ognibuild/dist_catcher.py

@@ -54,7 +54,8 @@ class DistCatcher(object):
     @classmethod
     def default(cls, directory):
         return cls(
-            [os.path.join(directory, "dist"), directory, os.path.join(directory, "..")]
+            [os.path.join(directory, "dist"), directory,
+             os.path.join(directory, "..")]
         )
 
     def __enter__(self):
@@ -87,19 +88,23 @@ class DistCatcher(object):
                     continue
             if len(possible_new) == 1:
                 entry = possible_new[0]
-                logging.info("Found new tarball %s in %s.", entry.name, directory)
+                logging.info(
+                    "Found new tarball %s in %s.", entry.name, directory)
                 self.files.append(entry.path)
                 return entry.name
             elif len(possible_new) > 1:
                 logging.warning(
-                    "Found multiple tarballs %r in %s.", possible_new, directory
+                    "Found multiple tarballs %r in %s.", possible_new,
+                    directory
                 )
                 self.files.extend([entry.path for entry in possible_new])
                 return possible_new[0].name
 
             if len(possible_updated) == 1:
                 entry = possible_updated[0]
-                logging.info("Found updated tarball %s in %s.", entry.name, directory)
+                logging.info(
+                    "Found updated tarball %s in %s.", entry.name,
+                    directory)
                 self.files.append(entry.path)
                 return entry.name
 

ognibuild/fix_build.py

@@ -17,7 +17,7 @@
 
 from functools import partial
 import logging
-from typing import List, Tuple, Callable, Any, Optional
+from typing import List, Tuple, Callable, Optional, TypeVar
 
 from buildlog_consultant import Problem
 from buildlog_consultant.common import (
@@ -29,6 +29,14 @@ from . import DetailedFailure, UnidentifiedError
 from .session import Session, run_with_tee
 
 
+# Number of attempts to fix a build before giving up.
+DEFAULT_LIMIT = 200
+
+
+class FixerLimitReached(Exception):
+    """The maximum number of fixes has been reached."""
+
+
 class BuildFixer(object):
     """Build fixer."""
 
@@ -44,7 +52,11 @@ class BuildFixer(object):
         return self._fix(problem, phase)
 
 
-def run_detecting_problems(session: Session, args: List[str], check_success=None, **kwargs):
+def run_detecting_problems(
+        session: Session, args: List[str], check_success=None,
+        quiet=False, **kwargs) -> List[str]:
+    if not quiet:
+        logging.info('Running %r', args)
     if check_success is None:
         def check_success(retcode, contents):
             return (retcode == 0)
@@ -63,17 +75,26 @@ def run_detecting_problems(session: Session, args: List[str], check_success=None
                 logging.warning("Build failed with unidentified error:")
                 logging.warning("%s", match.line.rstrip("\n"))
             else:
-                logging.warning("Build failed and unable to find cause. Giving up.")
+                logging.warning(
+                    "Build failed and unable to find cause. Giving up.")
             raise UnidentifiedError(retcode, args, lines, secondary=match)
     raise DetailedFailure(retcode, args, error)
 
 
-def iterate_with_build_fixers(fixers: List[BuildFixer], cb: Callable[[], Any]):
+T = TypeVar('T')
+
+
+def iterate_with_build_fixers(
+        fixers: List[BuildFixer],
+        cb: Callable[[], T], limit=DEFAULT_LIMIT) -> T:
     """Call cb() until there are no more DetailedFailures we can fix.
 
     Args:
       fixers: List of fixers to use to resolve issues
+      cb: Callable to run the build
+      limit: Maximum number of fixing attempts before giving up
     """
+    attempts = 0
     fixed_errors = []
     while True:
         to_resolve = []
@@ -86,9 +107,13 @@ def iterate_with_build_fixers(fixers: List[BuildFixer], cb: Callable[[], Any]):
             logging.info("Identified error: %r", f.error)
             if f.error in fixed_errors:
                 logging.warning(
-                    "Failed to resolve error %r, it persisted. Giving up.", f.error
+                    "Failed to resolve error %r, it persisted. Giving up.",
+                    f.error
                 )
                 raise f
+            attempts += 1
+            if limit is not None and limit <= attempts:
+                raise FixerLimitReached(limit)
             try:
                 resolved = resolve_error(f.error, None, fixers=fixers)
             except DetailedFailure as n:
@@ -100,23 +125,25 @@ def iterate_with_build_fixers(fixers: List[BuildFixer], cb: Callable[[], Any]):
             else:
                 if not resolved:
                     logging.warning(
-                        "Failed to find resolution for error %r. Giving up.", f.error
+                        "Failed to find resolution for error %r. Giving up.",
+                        f.error
                     )
                     raise f
                 fixed_errors.append(f.error)
 
 
 def run_with_build_fixers(
-    session: Session, args: List[str], fixers: Optional[List[BuildFixer]], **kwargs
+     fixers: Optional[List[BuildFixer]], session: Session, args: List[str],
-):
+     quiet: bool = False, **kwargs
+) -> List[str]:
     if fixers is None:
         fixers = []
     return iterate_with_build_fixers(
-        fixers, partial(run_detecting_problems, session, args, **kwargs)
+        fixers,
-    )
+        partial(run_detecting_problems, session, args, quiet=quiet, **kwargs))
 
 
-def resolve_error(error, phase, fixers):
+def resolve_error(error, phase, fixers) -> bool:
     relevant_fixers = []
     for fixer in fixers:
         if fixer.can_fix(error):

ognibuild/fixers.py

@@ -21,8 +21,10 @@ from typing import Tuple
 from buildlog_consultant import Problem
 from buildlog_consultant.common import (
     MissingGitIdentity,
+    MissingGoSumEntry,
     MissingSecretGpgKey,
     MissingAutoconfMacro,
+    MissingGnulibDirectory,
 )
 from ognibuild.requirements import AutoconfMacroRequirement
 from ognibuild.resolver import UnsatisfiedRequirements
@@ -30,6 +32,18 @@ from ognibuild.resolver import UnsatisfiedRequirements
 from .fix_build import BuildFixer
 
 
+class GnulibDirectoryFixer(BuildFixer):
+    def __init__(self, session):
+        self.session = session
+
+    def can_fix(self, problem: Problem):
+        return isinstance(problem, MissingGnulibDirectory)
+
+    def _fix(self, problem: Problem, phase: Tuple[str, ...]):
+        self.session.check_call(["./gnulib.sh"])
+        return True
+
+
 class GitIdentityFixer(BuildFixer):
     def __init__(self, session):
         self.session = session
@@ -77,6 +91,26 @@ Passphrase: ""
         return False
 
 
+class MissingGoSumEntryFixer(BuildFixer):
+    def __init__(self, session):
+        self.session = session
+
+    def __repr__(self):
+        return "%s()" % (type(self).__name__)
+
+    def __str__(self):
+        return "missing go.sum entry fixer"
+
+    def can_fix(self, error):
+        return isinstance(error, MissingGoSumEntry)
+
+    def _fix(self, error, phase):
+        from .fix_build import run_detecting_problems
+        run_detecting_problems(
+            self.session, ["go", "mod", "download", error.package])
+        return True
+
+
 class UnexpandedAutoconfMacroFixer(BuildFixer):
     def __init__(self, session, resolver):
         self.session = session

ognibuild/info.py

@@ -21,11 +21,13 @@ def run_info(session, buildsystems, fixers=None):
         print("%r:" % buildsystem)
         deps = {}
         try:
-            for kind, dep in buildsystem.get_declared_dependencies(session, fixers=fixers):
+            for kind, dep in buildsystem.get_declared_dependencies(
+                    session, fixers=fixers):
                 deps.setdefault(kind, []).append(dep)
         except NotImplementedError:
             print(
-                "\tUnable to detect declared dependencies for this type of build system"
+                "\tUnable to detect declared dependencies for this type of "
+                "build system"
             )
         if deps:
             print("\tDeclared dependencies:")
@@ -35,9 +37,11 @@ def run_info(session, buildsystems, fixers=None):
                     print("\t\t\t%s" % dep)
             print("")
         try:
-            outputs = list(buildsystem.get_declared_outputs(session, fixers=fixers))
+            outputs = list(buildsystem.get_declared_outputs(
+                session, fixers=fixers))
         except NotImplementedError:
-            print("\tUnable to detect declared outputs for this type of build system")
+            print("\tUnable to detect declared outputs for this type of "
+                  "build system")
             outputs = []
         if outputs:
             print("\tDeclared outputs:")

ognibuild/install.py

@@ -15,21 +15,34 @@
 # along with this program; if not, write to the Free Software
 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 
-from .buildsystem import NoBuildToolsFound, InstallTarget
+from functools import partial
 from typing import Optional
 
+from .buildsystem import NoBuildToolsFound, InstallTarget
+from .fix_build import iterate_with_build_fixers
+from .logs import NoLogManager
 
-def run_install(session, buildsystems, resolver, fixers, user: bool = False, prefix: Optional[str] = None):
+
+def run_install(
+        session, buildsystems, resolver, fixers, *, user: bool = False,
+        prefix: Optional[str] = None, log_manager=None):
     # Some things want to write to the user's home directory,
     # e.g. pip caches in ~/.cache
     session.create_home()
 
+    if log_manager is None:
+        log_manager = NoLogManager()
+
     install_target = InstallTarget()
     install_target.user = user
     install_target.prefix = prefix
 
     for buildsystem in buildsystems:
-        buildsystem.install(session, resolver, fixers, install_target)
+        iterate_with_build_fixers(
+            fixers,
+            log_manager.wrap(
+                partial(buildsystem.install, session, resolver,
+                        install_target)))
         return
 
     raise NoBuildToolsFound()

ognibuild/logs.py

@@ -0,0 +1,105 @@
+#!/usr/bin/python
+# Copyright (C) 2018 Jelmer Vernooij <jelmer@jelmer.uk>
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+
+from contextlib import contextmanager
+import subprocess
+import logging
+import os
+import sys
+
+
+@contextmanager
+def copy_output(output_log: str, tee: bool = False):
+    old_stdout = os.dup(sys.stdout.fileno())
+    old_stderr = os.dup(sys.stderr.fileno())
+    if tee:
+        p = subprocess.Popen(["tee", output_log], stdin=subprocess.PIPE)
+        newfd = p.stdin
+    else:
+        newfd = open(output_log, 'wb')
+    os.dup2(newfd.fileno(), sys.stdout.fileno())  # type: ignore
+    os.dup2(newfd.fileno(), sys.stderr.fileno())  # type: ignore
+    try:
+        yield
+    finally:
+        sys.stdout.flush()
+        sys.stderr.flush()
+        os.dup2(old_stdout, sys.stdout.fileno())
+        os.dup2(old_stderr, sys.stderr.fileno())
+        if newfd is not None:
+            newfd.close()
+
+
+@contextmanager
+def redirect_output(to_file):
+    sys.stdout.flush()
+    sys.stderr.flush()
+    old_stdout = os.dup(sys.stdout.fileno())
+    old_stderr = os.dup(sys.stderr.fileno())
+    os.dup2(to_file.fileno(), sys.stdout.fileno())  # type: ignore
+    os.dup2(to_file.fileno(), sys.stderr.fileno())  # type: ignore
+    try:
+        yield
+    finally:
+        sys.stdout.flush()
+        sys.stderr.flush()
+        os.dup2(old_stdout, sys.stdout.fileno())
+        os.dup2(old_stderr, sys.stderr.fileno())
+
+
+def rotate_logfile(source_path: str) -> None:
+    if os.path.exists(source_path):
+        (directory_path, name) = os.path.split(source_path)
+        i = 1
+        while os.path.exists(
+                os.path.join(directory_path, "%s.%d" % (name, i))):
+            i += 1
+        target_path = os.path.join(directory_path, "%s.%d" % (name, i))
+        os.rename(source_path, target_path)
+        logging.debug("Storing previous build log at %s", target_path)
+
+
+class LogManager(object):
+
+    def wrap(self, fn):
+        raise NotImplementedError(self.wrap)
+
+
+class DirectoryLogManager(LogManager):
+
+    def __init__(self, path, mode):
+        self.path = path
+        self.mode = mode
+
+    def wrap(self, fn):
+        def _run(*args, **kwargs):
+            rotate_logfile(self.path)
+            if self.mode == 'copy':
+                with copy_output(self.path, tee=True):
+                    return fn(*args, **kwargs)
+            elif self.mode == 'redirect':
+                with copy_output(self.path, tee=False):
+                    return fn(*args, **kwargs)
+            else:
+                raise NotImplementedError(self.mode)
+        return _run
+
+
+class NoLogManager(LogManager):
+
+    def wrap(self, fn):
+        return fn

ognibuild/requirements.py

@@ -26,16 +26,19 @@ from . import Requirement
 
 class PythonPackageRequirement(Requirement):
 
+    family = "python-package"
+
     package: str
 
-    def __init__(self, package, python_version=None, specs=None, minimum_version=None):
+    def __init__(
-        super(PythonPackageRequirement, self).__init__("python-package")
+            self, package, python_version=None, specs=None,
+            minimum_version=None):
         self.package = package
         self.python_version = python_version
-        if minimum_version is not None:
-            specs = [(">=", minimum_version)]
         if specs is None:
             specs = []
+        if minimum_version is not None:
+            specs.append((">=", minimum_version))
         self.specs = specs
 
     def __repr__(self):
@@ -53,11 +56,29 @@ class PythonPackageRequirement(Requirement):
             return "python package: %s" % (self.package,)
 
     @classmethod
-    def from_requirement_str(cls, text):
+    def from_requirement_str(cls, text, python_version=None):
         from requirements.requirement import Requirement
 
         req = Requirement.parse(text)
-        return cls(package=req.name, specs=req.specs)
+        return cls(
+            package=req.name, specs=req.specs, python_version=python_version)
+
+    def requirement_str(self):
+        if self.specs:
+            return '%s;%s' % (
+                self.package, ','.join([''.join(s) for s in self.specs]))
+        return self.package
+
+    @classmethod
+    def _from_json(cls, js):
+        if isinstance(js, str):
+            return cls.from_requirement_str(js)
+        return cls.from_requirement_str(js[0], python_version=js[1])
+
+    def _json(self):
+        if self.python_version:
+            return [self.requirement_str(), self.python_version]
+        return self.requirement_str()
 
     def met(self, session):
         if self.python_version == "cpython3":
@@ -74,7 +95,8 @@ class PythonPackageRequirement(Requirement):
             raise NotImplementedError
         text = self.package + ",".join(["".join(spec) for spec in self.specs])
         p = session.Popen(
-            [cmd, "-c", "import pkg_resources; pkg_resources.require(%r)" % text],
+            [cmd, "-c",
+             "import pkg_resources; pkg_resources.require(%r)" % text],
             stdout=subprocess.DEVNULL,
             stderr=subprocess.DEVNULL,
         )
@@ -82,16 +104,33 @@ class PythonPackageRequirement(Requirement):
         return p.returncode == 0
 
 
+Requirement.register_json(PythonPackageRequirement)
+
+
 class LatexPackageRequirement(Requirement):
 
+    family = "latex-package"
+
     def __init__(self, package: str):
         self.package = package
 
     def __repr__(self):
         return "%s(%r)" % (type(self).__name__, self.package)
 
+    def _json(self):
+        return self.package
+
+    def _from_json(cls, package):
+        return cls(package)
+
+
+Requirement.register_json(LatexPackageRequirement)
+
 
 class PhpPackageRequirement(Requirement):
+
+    family = "php-package"
+
     def __init__(
         self,
         package: str,
@@ -104,6 +143,13 @@ class PhpPackageRequirement(Requirement):
         self.min_version = min_version
         self.max_version = max_version
 
+    def _json(self):
+        return (self.package, self.channel, self.min_version, self.max_version)
+
+    @classmethod
+    def _from_json(cls, js):
+        return cls(*js)
+
     def __repr__(self):
         return "%s(%r, %r, %r, %r)" % (
             type(self).__name__,
@@ -114,14 +160,24 @@ class PhpPackageRequirement(Requirement):
         )
 
 
+Requirement.register_json(PhpPackageRequirement)
+
+
 class BinaryRequirement(Requirement):
 
+    family = "binary"
     binary_name: str
 
     def __init__(self, binary_name):
-        super(BinaryRequirement, self).__init__("binary")
         self.binary_name = binary_name
 
+    def _json(self):
+        return self.binary_name
+
+    @classmethod
+    def _from_json(cls, js):
+        return cls(js)
+
     def __repr__(self):
         return "%s(%r)" % (type(self).__name__, self.binary_name)
 
@@ -135,14 +191,54 @@ class BinaryRequirement(Requirement):
         return p.returncode == 0
 
 
+Requirement.register_json(BinaryRequirement)
+
+
+class PHPExtensionRequirement(Requirement):
+
+    family = "php-extension"
+    extension: str
+
+    def __init__(self, extension: str):
+        self.extension = extension
+
+    def __repr__(self):
+        return "%s(%r)" % (type(self).__name__, self.extension)
+
+
+class PytestPluginRequirement(Requirement):
+
+    family = "pytest-plugin"
+
+    plugin: str
+
+    def __init__(self, plugin: str):
+        self.plugin = plugin
+
+    def __repr__(self):
+        return "%s(%r)" % (type(self).__name__, self.plugin)
+
+
+class VcsControlDirectoryAccessRequirement(Requirement):
+
+    vcs: List[str]
+    family = "vcs-access"
+
+    def __init__(self, vcs):
+        self.vcs = vcs
+
+    def __repr__(self):
+        return "%s(%r)" % (type(self).__name__, self.vcs)
+
+
 class PerlModuleRequirement(Requirement):
 
     module: str
     filename: Optional[str]
     inc: Optional[List[str]]
+    family = "perl-module"
 
     def __init__(self, module, filename=None, inc=None):
-        super(PerlModuleRequirement, self).__init__("perl-module")
         self.module = module
         self.filename = filename
         self.inc = inc
@@ -158,10 +254,10 @@ class PerlModuleRequirement(Requirement):
 class VagueDependencyRequirement(Requirement):
 
     name: str
+    family = "vague"
     minimum_version: Optional[str] = None
 
     def __init__(self, name, minimum_version=None):
-        super(VagueDependencyRequirement, self).__init__("vague")
         self.name = name
         self.minimum_version = minimum_version
 
@@ -169,19 +265,26 @@ class VagueDependencyRequirement(Requirement):
         if " " not in self.name:
             yield BinaryRequirement(self.name)
             yield LibraryRequirement(self.name)
-            yield PkgConfigRequirement(self.name, minimum_version=self.minimum_version)
+            yield PkgConfigRequirement(
+                self.name, minimum_version=self.minimum_version)
             if self.name.lower() != self.name:
                 yield BinaryRequirement(self.name.lower())
                 yield LibraryRequirement(self.name.lower())
-                yield PkgConfigRequirement(self.name.lower(), minimum_version=self.minimum_version)
+                yield PkgConfigRequirement(
+                    self.name.lower(), minimum_version=self.minimum_version)
+            try:
                 from .resolver.apt import AptRequirement
-
+            except ModuleNotFoundError:
-            yield AptRequirement.simple(self.name.lower(), minimum_version=self.minimum_version)
+                pass
+            else:
+                yield AptRequirement.simple(
+                    self.name.lower(), minimum_version=self.minimum_version)
                 if self.name.lower().startswith('lib'):
                     devname = '%s-dev' % self.name.lower()
                 else:
                     devname = 'lib%s-dev' % self.name.lower()
-            yield AptRequirement.simple(devname, minimum_version=self.minimum_version)
+                yield AptRequirement.simple(
+                    devname, minimum_version=self.minimum_version)
 
     def met(self, session):
         for x in self.expand():
@@ -192,19 +295,36 @@ class VagueDependencyRequirement(Requirement):
     def __repr__(self):
         return "%s(%r)" % (type(self).__name__, self.name)
 
+    def __str__(self):
+        if self.minimum_version:
+            return "%s >= %s" % (self.name, self.minimum_version)
+        return self.name
+
 
 class NodePackageRequirement(Requirement):
 
     package: str
+    family = "npm-package"
 
     def __init__(self, package):
-        super(NodePackageRequirement, self).__init__("npm-package")
         self.package = package
 
     def __repr__(self):
         return "%s(%r)" % (type(self).__name__, self.package)
 
 
+class LuaModuleRequirement(Requirement):
+
+    module: str
+    family = "lua-module"
+
+    def __init__(self, module):
+        self.module = module
+
+    def __repr__(self):
+        return "%s(%r)" % (type(self).__name__, self.module)
+
+
 class PerlPreDeclaredRequirement(Requirement):
 
     name: str
@@ -227,8 +347,9 @@ class PerlPreDeclaredRequirement(Requirement):
         'auto_set_bugtracker': 'Module::Install::Bugtracker',
         }
 
+    family = "perl-predeclared"
+
     def __init__(self, name):
-        super(PerlPreDeclaredRequirement, self).__init__("perl-predeclared")
         self.name = name
 
     def lookup_module(self):
@@ -242,9 +363,9 @@ class PerlPreDeclaredRequirement(Requirement):
 class NodeModuleRequirement(Requirement):
 
     module: str
+    family = "npm-module"
 
     def __init__(self, module):
-        super(NodeModuleRequirement, self).__init__("npm-module")
         self.module = module
 
     def __repr__(self):
@@ -255,41 +376,45 @@ class CargoCrateRequirement(Requirement):
 
     crate: str
     features: Set[str]
-    version: Optional[str]
+    api_version: Optional[str]
+    minimum_version: Optional[str]
+    family = "cargo-crate"
 
-    def __init__(self, crate, features=None, version=None):
+    def __init__(self, crate, features=None, api_version=None,
-        super(CargoCrateRequirement, self).__init__("cargo-crate")
+                 minimum_version=None):
         self.crate = crate
         if features is None:
             features = set()
         self.features = features
-        self.version = version
+        self.api_version = api_version
+        self.minimum_version = minimum_version
 
     def __repr__(self):
-        return "%s(%r, features=%r, version=%r)" % (
+        return "%s(%r, features=%r, api_version=%r, minimum_version=%r)" % (
             type(self).__name__,
             self.crate,
             self.features,
-            self.version,
+            self.api_version,
+            self.minimum_version,
         )
 
     def __str__(self):
-        if self.features:
+        ret = "cargo crate: %s %s" % (
-            return "cargo crate: %s %s (%s)" % (
             self.crate,
-                self.version or "",
+            self.api_version or "")
-                ", ".join(sorted(self.features)),
+        if self.features:
-            )
+            ret += " (%s)" % (", ".join(sorted(self.features)))
-        else:
+        if self.minimum_version:
-            return "cargo crate: %s %s" % (self.crate, self.version or "")
+            ret += " (>= %s)" % self.minimum_version
+        return ret
 
 
 class PkgConfigRequirement(Requirement):
 
     module: str
+    family = "pkg-config"
 
     def __init__(self, module, minimum_version=None):
-        super(PkgConfigRequirement, self).__init__("pkg-config")
         self.module = module
         self.minimum_version = minimum_version
 
@@ -301,9 +426,9 @@ class PkgConfigRequirement(Requirement):
 class PathRequirement(Requirement):
 
     path: str
+    family = "path"
 
     def __init__(self, path):
-        super(PathRequirement, self).__init__("path")
         self.path = path
 
     def __repr__(self):
@@ -313,9 +438,9 @@ class PathRequirement(Requirement):
 class CHeaderRequirement(Requirement):
 
     header: str
+    family = "c-header"
 
     def __init__(self, header):
-        super(CHeaderRequirement, self).__init__("c-header")
         self.header = header
 
     def __repr__(self):
@@ -323,16 +448,15 @@ class CHeaderRequirement(Requirement):
 
 
 class JavaScriptRuntimeRequirement(Requirement):
-    def __init__(self):
+    family = "javascript-runtime"
-        super(JavaScriptRuntimeRequirement, self).__init__("javascript-runtime")
 
 
 class ValaPackageRequirement(Requirement):
 
     package: str
+    family = "vala"
 
     def __init__(self, package: str):
-        super(ValaPackageRequirement, self).__init__("vala")
         self.package = package
 
 
@@ -340,9 +464,9 @@ class RubyGemRequirement(Requirement):
 
     gem: str
     minimum_version: Optional[str]
+    family = "gem"
 
     def __init__(self, gem: str, minimum_version: Optional[str]):
-        super(RubyGemRequirement, self).__init__("gem")
         self.gem = gem
         self.minimum_version = minimum_version
 
@@ -351,12 +475,16 @@ class GoPackageRequirement(Requirement):
 
     package: str
     version: Optional[str]
+    family = "go-package"
 
     def __init__(self, package: str, version: Optional[str] = None):
-        super(GoPackageRequirement, self).__init__("go-package")
         self.package = package
         self.version = version
 
+    def __repr__(self):
+        return "%s(%r, version=%r)" % (
+            type(self).__name__, self.package, self.version)
+
     def __str__(self):
         if self.version:
             return "go package: %s (= %s)" % (self.package, self.version)
@@ -366,9 +494,9 @@ class GoPackageRequirement(Requirement):
 class GoRequirement(Requirement):
 
     version: Optional[str]
+    family = "go"
 
     def __init__(self, version: Optional[str] = None):
-        super(GoRequirement, self).__init__("go")
         self.version = version
 
     def __str__(self):
@@ -378,18 +506,18 @@ class GoRequirement(Requirement):
 class DhAddonRequirement(Requirement):
 
     path: str
+    family = "dh-addon"
 
     def __init__(self, path: str):
-        super(DhAddonRequirement, self).__init__("dh-addon")
         self.path = path
 
 
 class PhpClassRequirement(Requirement):
 
     php_class: str
+    family = "php-class"
 
     def __init__(self, php_class: str):
-        super(PhpClassRequirement, self).__init__("php-class")
         self.php_class = php_class
 
 
@@ -397,9 +525,9 @@ class RPackageRequirement(Requirement):
 
     package: str
     minimum_version: Optional[str]
+    family = "r-package"
 
     def __init__(self, package: str, minimum_version: Optional[str] = None):
-        super(RPackageRequirement, self).__init__("r-package")
         self.package = package
         self.minimum_version = minimum_version
 
@@ -412,7 +540,8 @@ class RPackageRequirement(Requirement):
 
     def __str__(self):
         if self.minimum_version:
-            return "R package: %s (>= %s)" % (self.package, self.minimum_version)
+            return "R package: %s (>= %s)" % (
+                self.package, self.minimum_version)
         else:
             return "R package: %s" % (self.package,)
 
@@ -432,9 +561,9 @@ class OctavePackageRequirement(Requirement):
 
     package: str
     minimum_version: Optional[str]
+    family = "octave-package"
 
     def __init__(self, package: str, minimum_version: Optional[str] = None):
-        super(OctavePackageRequirement, self).__init__("octave-package")
         self.package = package
         self.minimum_version = minimum_version
 
@@ -447,7 +576,8 @@ class OctavePackageRequirement(Requirement):
 
     def __str__(self):
         if self.minimum_version:
-            return "Octave package: %s (>= %s)" % (self.package, self.minimum_version)
+            return "Octave package: %s (>= %s)" % (
+                self.package, self.minimum_version)
         else:
             return "Octave package: %s" % (self.package,)
 
@@ -466,9 +596,9 @@ class OctavePackageRequirement(Requirement):
 class LibraryRequirement(Requirement):
 
     library: str
+    family = "lib"
 
     def __init__(self, library: str):
-        super(LibraryRequirement, self).__init__("lib")
         self.library = library
 
 
@@ -476,9 +606,9 @@ class StaticLibraryRequirement(Requirement):
 
     library: str
     filename: str
+    family = "static-lib"
 
     def __init__(self, library: str, filename: str):
-        super(StaticLibraryRequirement, self).__init__("static-lib")
         self.library = library
         self.filename = filename
 
@@ -486,18 +616,18 @@ class StaticLibraryRequirement(Requirement):
 class RubyFileRequirement(Requirement):
 
     filename: str
+    family = "ruby-file"
 
     def __init__(self, filename: str):
-        super(RubyFileRequirement, self).__init__("ruby-file")
         self.filename = filename
 
 
 class XmlEntityRequirement(Requirement):
 
     url: str
+    family = "xml-entity"
 
     def __init__(self, url: str):
-        super(XmlEntityRequirement, self).__init__("xml-entity")
         self.url = url
 
 
@@ -505,9 +635,9 @@ class SprocketsFileRequirement(Requirement):
 
     content_type: str
     name: str
+    family = "sprockets-file"
 
     def __init__(self, content_type: str, name: str):
-        super(SprocketsFileRequirement, self).__init__("sprockets-file")
         self.content_type = content_type
         self.name = name
 
@@ -515,27 +645,29 @@ class SprocketsFileRequirement(Requirement):
 class JavaClassRequirement(Requirement):
 
     classname: str
+    family = "java-class"
 
     def __init__(self, classname: str):
-        super(JavaClassRequirement, self).__init__("java-class")
         self.classname = classname
 
 
 class CMakefileRequirement(Requirement):
 
     filename: str
+    version: Optional[str]
+    family = "cmake-file"
 
-    def __init__(self, filename: str):
+    def __init__(self, filename: str, version=None):
-        super(CMakefileRequirement, self).__init__("cmake-file")
         self.filename = filename
+        self.version = version
 
 
 class HaskellPackageRequirement(Requirement):
 
     package: str
+    family = "haskell-package"
 
     def __init__(self, package: str, specs=None):
-        super(HaskellPackageRequirement, self).__init__("haskell-package")
         self.package = package
         self.specs = specs
 
@@ -551,9 +683,9 @@ class MavenArtifactRequirement(Requirement):
     artifact_id: str
     version: Optional[str]
     kind: Optional[str]
+    family = "maven-artifact"
 
     def __init__(self, group_id, artifact_id, version=None, kind=None):
-        super(MavenArtifactRequirement, self).__init__("maven-artifact")
         self.group_id = group_id
         self.artifact_id = artifact_id
         self.version = version
@@ -566,6 +698,11 @@ class MavenArtifactRequirement(Requirement):
             self.version,
         )
 
+    def __repr__(self):
+        return "%s(group_id=%r, artifact_id=%r, version=%r, kind=%r)" % (
+            type(self).__name__, self.group_id, self.artifact_id,
+            self.version, self.kind)
+
     @classmethod
     def from_str(cls, text):
         return cls.from_tuple(text.split(":"))
@@ -587,17 +724,16 @@ class MavenArtifactRequirement(Requirement):
 
 
 class GnomeCommonRequirement(Requirement):
-    def __init__(self):
+    family = "gnome-common"
-        super(GnomeCommonRequirement, self).__init__("gnome-common")
 
 
 class JDKFileRequirement(Requirement):
 
     jdk_path: str
     filename: str
+    family = "jdk-file"
 
     def __init__(self, jdk_path: str, filename: str):
-        super(JDKFileRequirement, self).__init__("jdk-file")
         self.jdk_path = jdk_path
         self.filename = filename
 
@@ -607,55 +743,70 @@ class JDKFileRequirement(Requirement):
 
 
 class JDKRequirement(Requirement):
-    def __init__(self):
+    family = "jdk"
-        super(JDKRequirement, self).__init__("jdk")
 
 
 class JRERequirement(Requirement):
-    def __init__(self):
+    family = "jre"
-        super(JRERequirement, self).__init__("jre")
+
+
+class QtModuleRequirement(Requirement):
+    family = "qt-module"
+
+    def __init__(self, module):
+        self.module = module
 
 
 class QTRequirement(Requirement):
-    def __init__(self):
+    family = "qt"
-        super(QTRequirement, self).__init__("qt")
 
 
 class X11Requirement(Requirement):
-    def __init__(self):
+    family = "x11"
-        super(X11Requirement, self).__init__("x11")
 
 
 class CertificateAuthorityRequirement(Requirement):
+    family = "ca-cert"
+
     def __init__(self, url):
-        super(CertificateAuthorityRequirement, self).__init__("ca-cert")
         self.url = url
 
 
 class PerlFileRequirement(Requirement):
 
     filename: str
+    family = "perl-file"
 
     def __init__(self, filename: str):
-        super(PerlFileRequirement, self).__init__("perl-file")
         self.filename = filename
 
 
 class AutoconfMacroRequirement(Requirement):
 
+    family = "autoconf-macro"
     macro: str
 
     def __init__(self, macro: str):
-        super(AutoconfMacroRequirement, self).__init__("autoconf-macro")
         self.macro = macro
 
+    def _json(self):
+        return self.macro
+
+    @classmethod
+    def _from_json(cls, macro):
+        return cls(macro)
+
+
+Requirement.register_json(AutoconfMacroRequirement)
+
 
 class LibtoolRequirement(Requirement):
-    def __init__(self):
+    family = "libtool"
-        super(LibtoolRequirement, self).__init__("libtool")
 
 
 class IntrospectionTypelibRequirement(Requirement):
+    family = "introspection-type-lib"
+
     def __init__(self, library):
         self.library = library
 
@@ -665,9 +816,9 @@ class PythonModuleRequirement(Requirement):
     module: str
     python_version: Optional[str]
     minimum_version: Optional[str]
+    family = "python-module"
 
     def __init__(self, module, python_version=None, minimum_version=None):
-        super(PythonModuleRequirement, self).__init__("python-module")
         self.module = module
         self.python_version = python_version
         self.minimum_version = minimum_version
@@ -702,7 +853,25 @@ class PythonModuleRequirement(Requirement):
 class BoostComponentRequirement(Requirement):
 
     name: str
+    family = "boost-component"
 
     def __init__(self, name):
-        super(BoostComponentRequirement, self).__init__("boost-component")
         self.name = name
+
+
+class KF5ComponentRequirement(Requirement):
+
+    name: str
+    family = "kf5-component"
+
+    def __init__(self, name):
+        self.name = name
+
+
+class GnulibDirectoryRequirement(Requirement):
+
+    directory: str
+    family = "gnulib"
+
+    def __init__(self, directory):
+        self.directory = directory

ognibuild/resolver/__init__.py

@@ -18,8 +18,11 @@
 
 import logging
 import subprocess
-from .. import UnidentifiedError
+from typing import Optional, List, Type
+
+from .. import UnidentifiedError, Requirement
 from ..fix_build import run_detecting_problems
+from ..session import Session
 
 
 class UnsatisfiedRequirements(Exception):
@@ -28,13 +31,22 @@ class UnsatisfiedRequirements(Exception):
 
 
 class Resolver(object):
-    def install(self, requirements):
+
+    name: str
+
+    def __init__(self, session, user_local):
+        raise NotImplementedError(self.__init__)
+
+    def install(self, requirements: List[Requirement]):
         raise NotImplementedError(self.install)
 
-    def resolve(self, requirement):
+    def resolve(self, requirement: Requirement) -> Optional[Requirement]:
         raise NotImplementedError(self.resolve)
 
-    def explain(self, requirements):
+    def resolve_all(self, requirement: Requirement) -> List[Requirement]:
+        raise NotImplementedError(self.resolve_all)
+
+    def explain(self, requirements: List[Requirement]):
         raise NotImplementedError(self.explain)
 
     def env(self):
@@ -42,13 +54,15 @@ class Resolver(object):
 
 
 class CPANResolver(Resolver):
+    name = "cpan"
+
     def __init__(self, session, user_local=False, skip_tests=True):
         self.session = session
         self.user_local = user_local
         self.skip_tests = skip_tests
 
     def __str__(self):
-        return "cpan"
+        return self.name
 
     def __repr__(self):
         return "%s(%r)" % (type(self).__name__, self.session)
@@ -109,7 +123,8 @@ class TlmgrResolver(Resolver):
         self.repository = repository
 
     def __str__(self):
-        if self.repository.startswith('http://') or self.repository.startswith('https://'):
+        if (self.repository.startswith('http://')
+                or self.repository.startswith('https://')):
             return 'tlmgr(%r)' % self.repository
         else:
             return self.repository
@@ -154,7 +169,8 @@ class TlmgrResolver(Resolver):
             try:
                 run_detecting_problems(self.session, cmd, user=user)
             except UnidentifiedError as e:
-                if "tlmgr: user mode not initialized, please read the documentation!" in e.lines:
+                if ("tlmgr: user mode not initialized, "
+                        "please read the documentation!") in e.lines:
                     self.session.check_call(['tlmgr', 'init-usertree'])
                 else:
                     raise
@@ -163,6 +179,7 @@ class TlmgrResolver(Resolver):
 
 
 class CTANResolver(TlmgrResolver):
+    name = "ctan"
 
     def __init__(self, session, user_local=False):
         super(CTANResolver, self).__init__(
@@ -170,13 +187,16 @@ class CTANResolver(TlmgrResolver):
 
 
 class RResolver(Resolver):
+
+    name: str
+
     def __init__(self, session, repos, user_local=False):
         self.session = session
         self.repos = repos
         self.user_local = user_local
 
     def __str__(self):
-        return "cran"
+        return self.name
 
     def __repr__(self):
         return "%s(%r, %r)" % (type(self).__name__, self.session, self.repos)
@@ -221,12 +241,14 @@ class RResolver(Resolver):
 
 
 class OctaveForgeResolver(Resolver):
+    name = "octave-forge"
+
     def __init__(self, session, user_local=False):
         self.session = session
         self.user_local = user_local
 
     def __str__(self):
-        return "octave-forge"
+        return self.name
 
     def __repr__(self):
         return "%s(%r)" % (type(self).__name__, self.session)
@@ -267,6 +289,8 @@ class OctaveForgeResolver(Resolver):
 
 
 class CRANResolver(RResolver):
+    name = "cran"
+
     def __init__(self, session, user_local=False):
         super(CRANResolver, self).__init__(
             session, "http://cran.r-project.org", user_local=user_local
@@ -274,19 +298,25 @@ class CRANResolver(RResolver):
 
 
 class BioconductorResolver(RResolver):
+    name = "bioconductor"
+
     def __init__(self, session, user_local=False):
         super(BioconductorResolver, self).__init__(
-            session, "https://hedgehog.fhcrc.org/bioconductor", user_local=user_local
+            session, "https://hedgehog.fhcrc.org/bioconductor",
+            user_local=user_local
         )
 
 
 class HackageResolver(Resolver):
+
+    name = "hackage"
+
     def __init__(self, session, user_local=False):
         self.session = session
         self.user_local = user_local
 
     def __str__(self):
-        return "hackage"
+        return self.name
 
     def __repr__(self):
         return "%s(%r)" % (type(self).__name__, self.session)
@@ -295,7 +325,8 @@ class HackageResolver(Resolver):
         extra_args = []
         if self.user_local:
             extra_args.append("--user")
-        return ["cabal", "install"] + extra_args + [req.package for req in reqs]
+        return (["cabal", "install"] + extra_args
+                + [req.package for req in reqs])
 
     def install(self, requirements):
         from ..requirements import HaskellPackageRequirement
@@ -329,12 +360,15 @@ class HackageResolver(Resolver):
 
 
 class PypiResolver(Resolver):
+
+    name = "pypi"
+
     def __init__(self, session, user_local=False):
         self.session = session
         self.user_local = user_local
 
     def __str__(self):
-        return "pypi"
+        return self.name
 
     def __repr__(self):
         return "%s(%r)" % (type(self).__name__, self.session)
@@ -380,12 +414,15 @@ class PypiResolver(Resolver):
 
 
 class GoResolver(Resolver):
+
+    name = "go"
+
     def __init__(self, session, user_local):
         self.session = session
         self.user_local = user_local
 
     def __str__(self):
-        return "go"
+        return self.name
 
     def __repr__(self):
         return "%s(%r)" % (type(self).__name__, self.session)
@@ -426,17 +463,26 @@ NPM_COMMAND_PACKAGES = {
     "del-cli": "del-cli",
     "husky": "husky",
     "cross-env": "cross-env",
+    "xo": "xo",
+    "standard": "standard",
+    "jshint": "jshint",
+    "if-node-version": "if-node-version",
+    "babel-cli": "babel",
+    "c8": "c8",
+    "prettier-standard": "prettier-standard",
 }
 
 
 class NpmResolver(Resolver):
+    name = "npm"
+
     def __init__(self, session, user_local=False):
         self.session = session
         self.user_local = user_local
         # TODO(jelmer): Handle user_local
 
     def __str__(self):
-        return "npm"
+        return self.name
 
     def __repr__(self):
         return "%s(%r)" % (type(self).__name__, self.session)
@@ -472,7 +518,10 @@ class NpmResolver(Resolver):
             if not isinstance(requirement, NodePackageRequirement):
                 missing.append(requirement)
                 continue
-            cmd = ["npm", "-g", "install", requirement.package]
+            cmd = ["npm", "install"]
+            if not self.user_local:
+                cmd.append('-g')
+            cmd.append(requirement.package)
             logging.info("npm: running %r", cmd)
             run_detecting_problems(self.session, cmd, user=user)
         if missing:
@@ -529,7 +578,7 @@ class StackedResolver(Resolver):
             raise UnsatisfiedRequirements(requirements)
 
 
-NATIVE_RESOLVER_CLS = [
+NATIVE_RESOLVER_CLS: List[Type[Resolver]] = [
     CPANResolver,
     CTANResolver,
     PypiResolver,
@@ -543,24 +592,70 @@ NATIVE_RESOLVER_CLS = [
 
 
 def native_resolvers(session, user_local):
-    return StackedResolver([kls(session, user_local) for kls in NATIVE_RESOLVER_CLS])
+    return StackedResolver(
+        [kls(session, user_local) for kls in NATIVE_RESOLVER_CLS])
 
 
-def auto_resolver(session, explain=False):
+def select_resolvers(session, user_local, resolvers,
-    # if session is SchrootSession or if we're root, use apt
+                     dep_server_url=None) -> Optional[Resolver]:
+    selected = []
+    for resolver in resolvers:
+        for kls in NATIVE_RESOLVER_CLS:
+            if kls.name == resolver:
+                selected.append(kls(session, user_local))
+                break
+        else:
+            if resolver == 'native':
+                selected.extend([
+                    kls(session, user_local) for kls in NATIVE_RESOLVER_CLS])
+            elif resolver == 'apt':
+                if user_local:
+                    raise NotImplementedError(
+                        'user local not supported for apt')
+                if dep_server_url:
+                    from .dep_server import DepServerAptResolver
+                    selected.append(DepServerAptResolver.from_session(
+                        session, dep_server_url))
+                else:
                     from .apt import AptResolver
+                    selected.append(AptResolver.from_session(session))
+            else:
+                raise KeyError(resolver)
+    if len(selected) == 0:
+        return None
+    if len(selected) == 1:
+        return selected[0]
+    return StackedResolver(selected)
+
+
+def auto_resolver(session: Session, explain: bool = False,
+                  system_wide: Optional[bool] = None,
+                  dep_server_url: Optional[str] = None):
+    # if session is SchrootSession or if we're root, use apt
     from ..session.schroot import SchrootSession
     from ..session import get_user
 
     user = get_user(session)
     resolvers = []
+    if system_wide is None:
         # TODO(jelmer): Check VIRTUAL_ENV, and prioritize PypiResolver if
         # present?
         if isinstance(session, SchrootSession) or user == "root" or explain:
-        user_local = False
+            system_wide = True
+        else:
+            system_wide = False
+    if system_wide:
+        try:
+            from .apt import AptResolver
+        except ModuleNotFoundError:
+            pass
+        else:
+            if dep_server_url:
+                from .dep_server import DepServerAptResolver
+                resolvers.append(
+                    DepServerAptResolver.from_session(session, dep_server_url))
             else:
-        user_local = True
-    if not user_local:
                 resolvers.append(AptResolver.from_session(session))
-    resolvers.extend([kls(session, user_local) for kls in NATIVE_RESOLVER_CLS])
+    resolvers.extend([kls(session, not system_wide)
+                      for kls in NATIVE_RESOLVER_CLS])
     return StackedResolver(resolvers)

ognibuild/resolver/dep_server.py

@@ -0,0 +1,88 @@
+#!/usr/bin/python3
+# Copyright (C) 2022 Jelmer Vernooij <jelmer@jelmer.uk>
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+
+import asyncio
+import logging
+from typing import List
+
+from aiohttp import (
+    ClientSession,
+    ClientConnectorError,
+    ClientResponseError,
+    ServerDisconnectedError,
+)
+from yarl import URL
+
+
+from .. import Requirement, USER_AGENT
+from ..debian.apt import AptManager
+from .apt import AptRequirement, AptResolver
+
+
+class DepServerError(Exception):
+
+    def __init__(self, inner):
+        self.inner = inner
+
+
+async def resolve_apt_requirement_dep_server(
+        url: str, req: Requirement) -> List[AptRequirement]:
+    """Resolve a requirement to an APT requirement with a dep server.
+
+    Args:
+      url: Dep server URL
+      req: Requirement to resolve
+    Returns:
+      List of Apt requirements.
+    """
+    async with ClientSession() as session:
+        try:
+            async with session.post(URL(url) / "resolve-apt", headers={
+                    'User-Agent': USER_AGENT},
+                    json={'requirement': req.json()},
+                    raise_for_status=True) as resp:
+                return [
+                    AptRequirement._from_json(e) for e in await resp.json()]
+        except (ClientConnectorError, ClientResponseError,
+                ServerDisconnectedError) as e:
+            logging.warning('Unable to contact dep server: %r', e)
+            raise DepServerError(e)
+
+
+class DepServerAptResolver(AptResolver):
+    def __init__(self, apt, dep_server_url, tie_breakers=None):
+        super(DepServerAptResolver, self).__init__(
+            apt, tie_breakers=tie_breakers)
+        self.dep_server_url = dep_server_url
+
+    @classmethod
+    def from_session(cls, session, dep_server_url, tie_breakers=None):
+        return cls(
+            AptManager.from_session(session), dep_server_url,
+            tie_breakers=tie_breakers)
+
+    def resolve_all(self, req: Requirement):
+        try:
+            req.json()
+        except NotImplementedError:
+            return super(DepServerAptResolver, self).resolve_all(req)
+        try:
+            return asyncio.run(
+                resolve_apt_requirement_dep_server(self.dep_server_url, req))
+        except DepServerError:
+            logging.warning('Falling back to resolving error locally')
+            return super(DepServerAptResolver, self).resolve_all(req)

ognibuild/session/__init__.py

@@ -69,12 +69,14 @@ class Session(object):
         raise NotImplementedError(self.check_output)
 
     def Popen(
-        self, argv, cwd: Optional[str] = None, user: Optional[str] = None, **kwargs
+        self, argv, cwd: Optional[str] = None, user: Optional[str] = None,
+        **kwargs
     ):
         raise NotImplementedError(self.Popen)
 
     def call(
-        self, argv: List[str], cwd: Optional[str] = None, user: Optional[str] = None
+        self, argv: List[str], cwd: Optional[str] = None,
+        user: Optional[str] = None
     ):
         raise NotImplementedError(self.call)
 
@@ -100,17 +102,26 @@ class Session(object):
     def external_path(self, path: str) -> str:
         raise NotImplementedError
 
+    def rmtree(self, path: str) -> str:
+        raise NotImplementedError
+
     is_temporary: bool
 
 
 class SessionSetupFailure(Exception):
     """Session failed to be set up."""
 
+    def __init__(self, reason, errlines=None):
+        self.reason = reason
+        self.errlines = errlines
 
-def run_with_tee(session: Session, args: List[str], **kwargs):
+
+def run_with_tee(session: Session,
+                 args: List[str], **kwargs) -> Tuple[int, List[str]]:
     if "stdin" not in kwargs:
         kwargs["stdin"] = subprocess.DEVNULL
-    p = session.Popen(args, stdout=subprocess.PIPE, stderr=subprocess.STDOUT, **kwargs)
+    p = session.Popen(
+        args, stdout=subprocess.PIPE, stderr=subprocess.STDOUT, **kwargs)
     contents = []
     while p.poll() is None:
         line = p.stdout.readline()
@@ -121,7 +132,8 @@ def run_with_tee(session: Session, args: List[str], **kwargs):
 
 
 def get_user(session):
-    return session.check_output(["echo", "$USER"], cwd="/").decode().strip()
+    return session.check_output(
+        ["sh", "-c", "echo $USER"], cwd="/").decode().strip()
 
 
 def which(session, name):

ognibuild/session/plain.py

@@ -20,6 +20,7 @@ from . import Session, NoSessionOpen, SessionAlreadyOpen
 
 import contextlib
 import os
+import shutil
 import subprocess
 import tempfile
 from typing import Optional, Dict, List
@@ -72,7 +73,8 @@ class PlainSession(Session):
         close_fds: bool = True,
     ):
         argv = self._prepend_user(user, argv)
-        return subprocess.check_call(argv, cwd=cwd, env=env, close_fds=close_fds)
+        return subprocess.check_call(
+            argv, cwd=cwd, env=env, close_fds=close_fds)
 
     def check_output(
         self,
@@ -84,13 +86,19 @@ class PlainSession(Session):
         argv = self._prepend_user(user, argv)
         return subprocess.check_output(argv, cwd=cwd, env=env)
 
-    def Popen(self, args, stdout=None, stderr=None, stdin=None, user=None, cwd=None, env=None):
+    def Popen(
+            self, args, stdout=None, stderr=None, stdin=None, user=None,
+            cwd=None, env=None):
         args = self._prepend_user(user, args)
-        return subprocess.Popen(args, stdout=stdout, stderr=stderr, stdin=stdin, cwd=cwd, env=env)
+        return subprocess.Popen(
+            args, stdout=stdout, stderr=stderr, stdin=stdin, cwd=cwd, env=env)
 
     def exists(self, path):
         return os.path.exists(path)
 
+    def rmtree(self, path):
+        return shutil.rmtree(path)
+
     def scandir(self, path):
         return os.scandir(path)
 

ognibuild/session/schroot.py

@@ -66,25 +66,38 @@ class SchrootSession(Session):
                 if line.startswith(b"E: "):
                     logging.error("%s", line[3:].decode(errors="replace"))
             logging.warning(
-                "Failed to close schroot session %s, leaving stray.", self.session_id
+                "Failed to close schroot session %s, leaving stray.",
+                self.session_id
             )
             self.session_id = None
             return False
         self.session_id = None
+        self._location = None
         return True
 
     def __enter__(self) -> "Session":
         if self.session_id is not None:
             raise SessionAlreadyOpen(self)
+        stderr = tempfile.TemporaryFile()
         try:
             self.session_id = (
-                subprocess.check_output(["schroot", "-c", self.chroot, "-b"])
+                subprocess.check_output(
+                    ["schroot", "-c", self.chroot, "-b"], stderr=stderr)
                 .strip()
                 .decode()
             )
         except subprocess.CalledProcessError:
-            # TODO(jelmer): Capture stderr and forward in SessionSetupFailure
+            stderr.seek(0)
-            raise SessionSetupFailure()
+            errlines = stderr.readlines()
+            if len(errlines) == 1:
+                raise SessionSetupFailure(
+                    errlines[0].rstrip().decode(), errlines=errlines)
+            elif len(errlines) == 0:
+                raise SessionSetupFailure(
+                    "No output from schroot", errlines=errlines)
+            else:
+                raise SessionSetupFailure(
+                    errlines[-1].decode(), errlines=errlines)
         logging.info(
             "Opened schroot session %s (from %s)", self.session_id, self.chroot
         )
@@ -156,24 +169,28 @@ class SchrootSession(Session):
         env: Optional[Dict[str, str]] = None,
     ) -> bytes:
         try:
-            return subprocess.check_output(self._run_argv(argv, cwd, user, env=env))
+            return subprocess.check_output(
+                self._run_argv(argv, cwd, user, env=env))
         except subprocess.CalledProcessError as e:
             raise subprocess.CalledProcessError(e.returncode, argv)
 
     def Popen(
-        self, argv, cwd: Optional[str] = None, user: Optional[str] = None, **kwargs
+        self, argv, cwd: Optional[str] = None, user: Optional[str] = None,
+        **kwargs
     ):
         return subprocess.Popen(self._run_argv(argv, cwd, user), **kwargs)
 
     def call(
-        self, argv: List[str], cwd: Optional[str] = None, user: Optional[str] = None
+        self, argv: List[str], cwd: Optional[str] = None,
+        user: Optional[str] = None
     ):
         return subprocess.call(self._run_argv(argv, cwd, user))
 
     def create_home(self) -> None:
         """Create the user's home directory."""
         home = (
-            self.check_output(["sh", "-c", "echo $HOME"], cwd="/").decode().rstrip("\n")
+            self.check_output(
+                ["sh", "-c", "echo $HOME"], cwd="/").decode().rstrip("\n")
         )
         user = (
             self.check_output(["sh", "-c", "echo $LOGNAME"], cwd="/")
@@ -189,7 +206,8 @@ class SchrootSession(Session):
             return os.path.join(self.location, path.lstrip("/"))
         if self._cwd is None:
             raise ValueError("no cwd set")
-        return os.path.join(self.location, os.path.join(self._cwd, path).lstrip("/"))
+        return os.path.join(
+            self.location, os.path.join(self._cwd, path).lstrip("/"))
 
     def exists(self, path: str) -> bool:
         fullpath = self.external_path(path)
@@ -203,13 +221,17 @@ class SchrootSession(Session):
         fullpath = self.external_path(path)
         return os.mkdir(fullpath)
 
+    def rmtree(self, path: str):
+        import shutil
+        fullpath = self.external_path(path)
+        return shutil.rmtree(fullpath)
+
     def setup_from_vcs(
         self, tree, include_controldir: Optional[bool] = None, subdir="package"
     ):
         from ..vcs import dupe_vcs_tree, export_vcs_tree
 
         build_dir = os.path.join(self.location, "build")
-
         directory = tempfile.mkdtemp(dir=build_dir)
         reldir = "/" + os.path.relpath(directory, self.location)
 
@@ -228,7 +250,7 @@ class SchrootSession(Session):
         directory = tempfile.mkdtemp(dir=build_dir)
         reldir = "/" + os.path.relpath(directory, self.location)
         export_directory = os.path.join(directory, subdir)
-        shutil.copytree(path, export_directory, dirs_exist_ok=True)
+        shutil.copytree(path, export_directory, symlinks=True)
         return export_directory, os.path.join(reldir, subdir)
 
     is_temporary = True

ognibuild/test.py

@@ -15,16 +15,25 @@
 # along with this program; if not, write to the Free Software
 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 
+from functools import partial
+
 from .buildsystem import NoBuildToolsFound
+from .fix_build import iterate_with_build_fixers
+from .logs import NoLogManager
 
 
-def run_test(session, buildsystems, resolver, fixers):
+def run_test(session, buildsystems, resolver, fixers, log_manager=None):
     # Some things want to write to the user's home directory,
     # e.g. pip caches in ~/.cache
     session.create_home()
 
+    if log_manager is None:
+        log_manager = NoLogManager()
+
     for buildsystem in buildsystems:
-        buildsystem.test(session, resolver, fixers)
+        iterate_with_build_fixers(
+            fixers, log_manager.wrap(
+                partial(buildsystem.test, session, resolver)))
         return
 
     raise NoBuildToolsFound()

ognibuild/upstream.py

@@ -0,0 +1,253 @@
+#!/usr/bin/python3
+# Copyright (C) 2020-2021 Jelmer Vernooij <jelmer@jelmer.uk>
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+
+from dataclasses import dataclass, field
+from typing import Optional, Dict, Any
+from debian.changelog import Version
+import logging
+import re
+
+from . import Requirement
+from .requirements import (
+    CargoCrateRequirement,
+    GoPackageRequirement,
+    PythonPackageRequirement,
+)
+from .resolver.apt import AptRequirement, OneOfRequirement
+
+
+@dataclass
+class UpstreamInfo:
+    name: Optional[str]
+    buildsystem: Optional[str] = None
+    branch_url: Optional[str] = None
+    branch_subpath: Optional[str] = None
+    tarball_url: Optional[str] = None
+    version: Optional[str] = None
+    metadata: Dict[str, Any] = field(default_factory=dict)
+
+    def json(self):
+        return {
+            'name': self.name,
+            'buildsystem': self.buildsystem,
+            'branch_url': self.branch_url,
+            'branch_subpath': self.branch_subpath,
+            'tarball_url': self.tarball_url,
+            'version': self.version
+        }
+
+
+def go_base_name(package):
+    (hostname, path) = package.split('/', 1)
+    if hostname == "github.com":
+        hostname = "github"
+    if hostname == "gopkg.in":
+        hostname = "gopkg"
+    path = path.rstrip('/').replace("/", "-")
+    if path.endswith('.git'):
+        path = path[:-4]
+    return (hostname + path).replace("_", "-").lower()
+
+
+def load_crate_info(crate):
+    import urllib.error
+    from urllib.request import urlopen, Request
+    import json
+    http_url = 'https://crates.io/api/v1/crates/%s' % crate
+    headers = {'User-Agent': 'debianize', 'Accept': 'application/json'}
+    http_contents = urlopen(Request(http_url, headers=headers)).read()
+    try:
+        return json.loads(http_contents)
+    except urllib.error.HTTPError as e:
+        if e.code == 404:
+            logging.warning('No crate %r', crate)
+            return None
+        raise
+
+
+def find_python_package_upstream(requirement):
+    import urllib.error
+    from urllib.request import urlopen, Request
+    import json
+    http_url = 'https://pypi.org/pypi/%s/json' % requirement.package
+    headers = {'User-Agent': 'ognibuild', 'Accept': 'application/json'}
+    try:
+        http_contents = urlopen(
+            Request(http_url, headers=headers)).read()
+    except urllib.error.HTTPError as e:
+        if e.code == 404:
+            logging.warning('No pypi project %r', requirement.package)
+            return None
+        raise
+    pypi_data = json.loads(http_contents)
+    upstream_branch = None
+    for name, url in pypi_data['info']['project_urls'].items():
+        if name.lower() in ('github', 'repository'):
+            upstream_branch = url
+    tarball_url = None
+    for url_data in pypi_data['urls']:
+        if url_data.get('package_type') == 'sdist':
+            tarball_url = url_data['url']
+    return UpstreamInfo(
+        branch_url=upstream_branch, branch_subpath='',
+        name='python-%s' % pypi_data['info']['name'],
+        tarball_url=tarball_url)
+
+
+def find_go_package_upstream(requirement):
+    if requirement.package.startswith('github.com/'):
+        return UpstreamInfo(
+            name='golang-%s' % go_base_name(requirement.package),
+            branch_url='https://%s' % '/'.join(
+                requirement.package.split('/')[:3]),
+            branch_subpath='')
+
+
+def find_cargo_crate_upstream(requirement):
+    import semver
+    from debmutate.debcargo import semver_pair
+    data = load_crate_info(requirement.crate)
+    if data is None:
+        return None
+    upstream_branch = data['crate']['repository']
+    name = 'rust-' + data['crate']['name'].replace('_', '-')
+    version = None
+    if requirement.api_version is not None:
+        for version_info in data['versions']:
+            if (not version_info['num'].startswith(
+                        requirement.api_version + '.')
+                    and not version_info['num'] == requirement.api_version):
+                continue
+            if version is None:
+                version = semver.VersionInfo.parse(version_info['num'])
+            else:
+                version = semver.max_ver(
+                    version, semver.VersionInfo.parse(version_info['num']))
+        if version is None:
+            logging.warning(
+                'Unable to find version of crate %s '
+                'that matches API version %s',
+                name, requirement.api_version)
+        else:
+            name += '-' + semver_pair(str(version))
+    return UpstreamInfo(
+        branch_url=upstream_branch, branch_subpath=None,
+        name=name, version=str(version) if version else None,
+        metadata={'X-Cargo-Crate': data['crate']['name']},
+        buildsystem='cargo')
+
+
+def apt_to_cargo_requirement(m, rels):
+    name = m.group(1)
+    api_version = m.group(2)
+    if m.group(3):
+        features = set(m.group(3)[1:].split('-'))
+    else:
+        features = set()
+    if not rels:
+        minimum_version = None
+    elif len(rels) == 1 and rels[0][0] == '>=':
+        minimum_version = Version(rels[0][1]).upstream_version
+    else:
+        logging.warning('Unable to parse Debian version %r', rels)
+        minimum_version = None
+
+    return CargoCrateRequirement(
+        name, api_version=api_version,
+        features=features, minimum_version=minimum_version)
+
+
+def apt_to_python_requirement(m, rels):
+    name = m.group(2)
+    python_version = m.group(1)
+    if not rels:
+        minimum_version = None
+    elif len(rels) == 1 and rels[0][0] == '>=':
+        minimum_version = Version(rels[0][1]).upstream_version
+    else:
+        logging.warning('Unable to parse Debian version %r', rels)
+        minimum_version = None
+    return PythonPackageRequirement(
+        name, python_version=(python_version or None),
+        minimum_version=minimum_version)
+
+
+def apt_to_go_requirement(m, rels):
+    parts = m.group(1).split('-')
+    if parts[0] == 'github':
+        parts[0] = 'github.com'
+    if parts[0] == 'gopkg':
+        parts[0] = 'gopkg.in'
+    if not rels:
+        version = None
+    elif len(rels) == 1 and rels[0][0] == '=':
+        version = Version(rels[0][1]).upstream_version
+    else:
+        logging.warning('Unable to parse Debian version %r', rels)
+        version = None
+    return GoPackageRequirement('/'.join(parts), version=version)
+
+
+BINARY_PACKAGE_UPSTREAM_MATCHERS = [
+    (r'librust-(.*)-([^-+]+)(\+.*?)-dev', apt_to_cargo_requirement),
+    (r'python([0-9.]*)-(.*)', apt_to_python_requirement),
+    (r'golang-(.*)-dev', apt_to_go_requirement),
+]
+
+
+_BINARY_PACKAGE_UPSTREAM_MATCHERS = [
+    (re.compile(r), fn) for (r, fn) in BINARY_PACKAGE_UPSTREAM_MATCHERS]
+
+
+def find_apt_upstream(requirement: AptRequirement) -> Optional[UpstreamInfo]:
+    for option in requirement.relations:
+        for rel in option:
+            for matcher, fn in _BINARY_PACKAGE_UPSTREAM_MATCHERS:
+                m = matcher.fullmatch(rel['name'])
+                if m:
+                    upstream_requirement = fn(
+                        m, [rel['version']] if rel['version'] else [])
+                    return find_upstream(upstream_requirement)
+
+            logging.warning(
+                'Unable to map binary package name %s to upstream',
+                rel['name'])
+    return None
+
+
+def find_or_upstream(requirement: OneOfRequirement) -> Optional[UpstreamInfo]:
+    for req in requirement.elements:
+        info = find_upstream(req)
+        if info is not None:
+            return info
+    return None
+
+
+UPSTREAM_FINDER = {
+    'python-package': find_python_package_upstream,
+    'go-package': find_go_package_upstream,
+    'cargo-crate': find_cargo_crate_upstream,
+    'apt': find_apt_upstream,
+    'or': find_or_upstream,
+    }
+
+
+def find_upstream(requirement: Requirement) -> Optional[UpstreamInfo]:
+    try:
+        return UPSTREAM_FINDER[requirement.family](requirement)
+    except KeyError:
+        return None

ognibuild/vcs.py

@@ -43,7 +43,8 @@ def dupe_vcs_tree(tree, directory):
             tree = tree.basis_tree()
     try:
         result = tree._repository.controldir.sprout(
-            directory, create_tree_if_local=True, revision_id=tree.get_revision_id()
+            directory, create_tree_if_local=True,
+            revision_id=tree.get_revision_id()
         )
     except OSError as e:
         if e.errno == errno.ENOSPC:

pyproject.toml

@@ -0,0 +1,3 @@
+[build-system]
+requires = ["setuptools"]
+build-backend = "setuptools.build_meta"

releaser.conf

@@ -1,14 +0,0 @@
-name: "ognibuild"
-timeout_days: 5
-tag_name: "v$VERSION"
-verify_command: "python3 setup.py test"
-update_version {
-  path: "setup.py"
-  match: "^      version=\"(.*)\",$"
-  new_line: "      version=\"$VERSION\","
-}
-update_version {
-  path: "ognibuild/__init__.py"
-  match: "^__version__ = \\((.*)\\)$"
-  new_line: "__version__ = $TUPLED_VERSION"
-}

scripts/report-apt-deps-status

@@ -0,0 +1,89 @@
+#!/usr/bin/python3
+
+import argparse
+from contextlib import ExitStack
+import logging
+import sys
+from typing import Dict, List
+
+from ognibuild.buildsystem import NoBuildToolsFound, detect_buildsystems
+from ognibuild.requirements import Requirement
+from ognibuild.resolver.apt import AptResolver
+from ognibuild.session.plain import PlainSession
+
+parser = argparse.ArgumentParser('report-apt-deps-status')
+parser.add_argument('directory', type=str, default='.', nargs='?')
+parser.add_argument(
+    '--detailed', action='store_true', help='Show detailed analysis')
+args = parser.parse_args()
+
+logging.basicConfig(format='%(message)s', level=logging.INFO)
+
+session = PlainSession()
+with ExitStack() as es:
+    es.enter_context(session)
+    session.chdir(args.directory)
+    resolver = AptResolver.from_session(session)
+
+    try:
+        bss = list(detect_buildsystems(args.directory))
+    except NoBuildToolsFound:
+        logging.fatal('No build tools found')
+        sys.exit(1)
+    logging.debug("Detected buildsystems: %s", ", ".join(map(str, bss)))
+    deps: Dict[str, List[Requirement]] = {}
+    for buildsystem in bss:
+        try:
+            declared_reqs = buildsystem.get_declared_dependencies(session, [])
+            for stage, req in declared_reqs:
+                deps.setdefault(stage, []).append(req)
+        except NotImplementedError:
+            logging.warning(
+                'Unable to get dependencies from buildsystem %r, skipping',
+                buildsystem)
+            continue
+
+    if args.detailed:
+        for stage, reqs in deps.items():
+            logging.info("Stage: %s", stage)
+            for req in reqs:
+                apt_req = resolver.resolve(req)
+                logging.info("%s: %s", req, apt_req.pkg_relation_str())
+            logging.info('')
+    else:
+        build_depends = []
+        test_depends = []
+        run_depends = []
+        unresolved = []
+        for stage, reqs in deps.items():
+            for req in reqs:
+                apt_req = resolver.resolve(req)
+                if apt_req is None:
+                    unresolved.append(req)
+                elif stage == 'core':
+                    build_depends.append(apt_req)
+                    run_depends.append(apt_req)
+                elif stage == 'build':
+                    build_depends.append(apt_req)
+                elif stage == 'test':
+                    test_depends.append(apt_req)
+                else:
+                    raise NotImplementedError('stage %s not supported' % stage)
+        if build_depends:
+            logging.info(
+                'Build-Depends: %s',
+                ', '.join([d.pkg_relation_str() for d in build_depends]))
+        if test_depends:
+            logging.info(
+                'Test-Depends: %s',
+                ', '.join([d.pkg_relation_str() for d in test_depends]))
+        if run_depends:
+            logging.info(
+                'Depends: %s',
+                ', '.join([d.pkg_relation_str() for d in run_depends]))
+        if unresolved:
+            sys.stdout.write('\n')
+            logging.warning(
+                'Unable to find apt packages for the following dependencies:')
+            for req in unresolved:
+                logging.warning('* %s', req)

setup.cfg

@@ -1,13 +1,65 @@
+[metadata]
+name = ognibuild
+description = Detect and run any build system
+version = attr:ognibuild.__version__
+maintainer = Jelmer Vernooij
+maintainer_email = jelmer@jelmer.uk
+license = GNU GPLv2 or later
+url = https://jelmer.uk/code/ognibuild
+classifiers =
+    Development Status :: 4 - Beta
+    License :: OSI Approved :: GNU General Public License v2 or later (GPLv2+)
+    Programming Language :: Python :: 3.5
+    Programming Language :: Python :: 3.6
+    Programming Language :: Python :: Implementation :: CPython
+    Operating System :: POSIX
+
+[options]
+packages =
+    ognibuild
+    ognibuild.debian
+    ognibuild.resolver
+    ognibuild.session
+scripts = scripts/report-apt-deps-status
+install_requires =
+    breezy>=3.2
+    buildlog-consultant>=0.0.21
+    requirements-parser
+    toml
+    setuptools
+    ruamel.yaml
+tests_require =
+    testtools
+    types-toml
+
+[options.entry_points]
+console_scripts =
+    ogni=ognibuild.__main__:main
+    deb-fix-build=ognibuild.debian.fix_build:main
+
+[options.extras_require]
+dev =
+    testtools
+debian =
+    debmutate
+    python_debian
+    python_apt
+    brz-debian
+    lz4
+remote =
+    breezy
+    dulwich
+dep_server =
+    aiohttp
+    aiohttp-openmetrics
+gcp = google-cloud-logging
+
 [flake8]
 banned-modules = silver-platter = Should not use silver-platter
+exclude = build,.eggs/
 
 [mypy]
 ignore_missing_imports = True
 
 [bdist_wheel]
 universal = 1
-
-[egg_info]
-tag_build = 
-tag_date = 0
-

setup.py

@@ -1,40 +1,3 @@
-#!/usr/bin/env python3
+#!/usr/bin/python3
-# encoding: utf-8
-
 from setuptools import setup
-
+setup()
-
-setup(name="ognibuild",
-      description="Detect and run any build system",
-      version="0.0.7",
-      maintainer="Jelmer Vernooij",
-      maintainer_email="jelmer@jelmer.uk",
-      license="GNU GPLv2 or later",
-      url="https://jelmer.uk/code/ognibuild",
-      packages=['ognibuild', 'ognibuild.tests', 'ognibuild.debian', 'ognibuild.resolver', 'ognibuild.session'],
-      classifiers=[
-          'Development Status :: 4 - Beta',
-          'License :: OSI Approved :: '
-          'GNU General Public License v2 or later (GPLv2+)',
-          'Programming Language :: Python :: 3.5',
-          'Programming Language :: Python :: 3.6',
-          'Programming Language :: Python :: Implementation :: CPython',
-          'Operating System :: POSIX',
-      ],
-      entry_points={
-        "console_scripts": [
-            "ogni=ognibuild.__main__:main",
-            "deb-fix-build=ognibuild.debian.fix_build:main",
-        ]
-      },
-      install_requires=[
-          'breezy',
-          'buildlog-consultant>=0.0.10',
-          'requirements-parser',
-          ],
-      extras_require={
-          'debian': ['debmutate', 'python_debian', 'python_apt'],
-      },
-      tests_require=['python_debian', 'buildlog-consultant', 'breezy', 'testtools'],
-      test_suite='ognibuild.tests.test_suite',
-      )

tests/__init__.py

@@ -23,10 +23,13 @@ import unittest
 
 def test_suite():
     names = [
-        "debian_build",
+        'buildlog',
+        'logs',
     ]
     if os.path.exists("/usr/bin/dpkg-architecture"):
+        names.append("debian_build")
         names.append("debian_fix_build")
-    module_names = ["ognibuild.tests.test_" + name for name in names]
+        names.append("resolver_apt")
+    module_names = ["tests.test_" + name for name in names]
     loader = unittest.TestLoader()
     return loader.loadTestsFromNames(module_names)

tests/test_buildlog.py

@@ -0,0 +1,47 @@
+#!/usr/bin/python
+# Copyright (C) 2022 Jelmer Vernooij <jelmer@jelmer.uk>
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+
+from ognibuild.buildlog import PROBLEM_CONVERTERS
+
+from buildlog_consultant import (
+    problem_clses,
+    __version__ as buildlog_consultant_version,
+)
+
+from unittest import TestCase
+
+
+class TestProblemsExists(TestCase):
+
+    def test_exist(self):
+        for entry in PROBLEM_CONVERTERS:
+            if len(entry) == 2:
+                problem_kind, fn = entry
+                min_version = None
+            elif len(entry) == 3:
+                problem_kind, fn, min_version = entry
+            else:
+                raise TypeError(entry)
+            if min_version is not None:
+                min_version_tuple = tuple(
+                    [int(x) for x in min_version.split('.')])
+                if buildlog_consultant_version < min_version_tuple:
+                    continue
+            self.assertTrue(
+                problem_kind in problem_clses,
+                f"{problem_kind} does not exist in known "
+                "buildlog-consultant problem kinds")

tests/test_debian_build.py

@@ -17,8 +17,17 @@
 
 import datetime
 import os
+import sys
 
-from ..debian.build import add_dummy_changelog_entry, get_build_architecture
+from debian.changelog import Version
+
+from ognibuild.debian.build import (
+    add_dummy_changelog_entry,
+    get_build_architecture,
+    version_add_suffix,
+    _builddeb_command,
+    DEFAULT_BUILDER,
+)
 
 from breezy.tests import TestCaseWithTransport, TestCase
 
@@ -150,3 +159,43 @@ class BuildArchitectureTests(TestCase):
 
     def test_is_str(self):
         self.assertIsInstance(get_build_architecture(), str)
+
+
+class VersionAddSuffixTests(TestCase):
+
+    def test_native(self):
+        self.assertEqual(
+            Version('1.0~jan+lint4'),
+            version_add_suffix(Version('1.0~jan+lint3'), '~jan+lint'))
+        self.assertEqual(
+            Version('1.0~jan+lint1'),
+            version_add_suffix(Version('1.0'), '~jan+lint'))
+
+    def test_normal(self):
+        self.assertEqual(
+            Version('1.0-1~jan+lint4'),
+            version_add_suffix(Version('1.0-1~jan+lint3'), '~jan+lint'))
+        self.assertEqual(
+            Version('1.0-1~jan+lint1'),
+            version_add_suffix(Version('1.0-1'), '~jan+lint'))
+        self.assertEqual(
+            Version('0.0.12-1~jan+lint1'),
+            version_add_suffix(Version('0.0.12-1'), '~jan+lint'))
+        self.assertEqual(
+            Version('0.0.12-1~jan+unchanged1~jan+lint1'),
+            version_add_suffix(
+                Version('0.0.12-1~jan+unchanged1'), '~jan+lint'))
+
+
+class BuilddebCommandTests(TestCase):
+
+    def test_simple(self):
+        self.assertEqual(
+            [sys.executable, "-m", "breezy", "builddeb",
+                "--guess-upstream-branch-url", "--builder=" + DEFAULT_BUILDER],
+            _builddeb_command())
+        self.assertEqual(
+            [sys.executable, "-m", "breezy", "builddeb",
+                "--guess-upstream-branch-url", "--builder=" + DEFAULT_BUILDER,
+                "--result-dir=/tmp/blah"],
+            _builddeb_command(result_dir="/tmp/blah"))

tests/test_debian_fix_build.py

@@ -29,13 +29,15 @@ from buildlog_consultant.common import (
     MissingRubyGem,
     MissingValaPackage,
 )
-from ..debian.apt import AptManager, FileSearcher
+from ognibuild.debian.apt import AptManager, FileSearcher
-from ..debian.fix_build import (
+from ognibuild.debian.fix_build import (
     resolve_error,
     versioned_package_fixers,
     apt_fixers,
     DebianPackagingContext,
+    add_build_dependency,
 )
+from ognibuild.resolver.apt import AptRequirement
 from breezy.commit import NullCommitReporter
 from breezy.tests import TestCaseWithTransport
 
@@ -44,7 +46,7 @@ class DummyAptSearcher(FileSearcher):
     def __init__(self, files):
         self._apt_files = files
 
-    def search_files(self, path, regex=False, case_insensitive=False):
+    async def search_files(self, path, regex=False, case_insensitive=False):
         for p, pkg in sorted(self._apt_files.items()):
             if case_insensitive:
                 flags = re.I
@@ -97,7 +99,7 @@ blah (0.1) UNRELEASED; urgency=medium
         self._apt_files = {}
 
     def resolve(self, error, context=("build",)):
-        from ..session.plain import PlainSession
+        from ognibuild.session.plain import PlainSession
 
         session = PlainSession()
         apt = AptManager(session)
@@ -109,7 +111,8 @@ blah (0.1) UNRELEASED; urgency=medium
             update_changelog=True,
             commit_reporter=NullCommitReporter(),
         )
-        fixers = versioned_package_fixers(session, context, apt) + apt_fixers(apt, context)
+        fixers = versioned_package_fixers(
+            session, context, apt) + apt_fixers(apt, context)
         return resolve_error(error, ("build",), fixers)
 
     def get_build_deps(self):
@@ -118,7 +121,8 @@ blah (0.1) UNRELEASED; urgency=medium
 
     def test_missing_command_unknown(self):
         self._apt_files = {}
-        self.assertFalse(self.resolve(MissingCommand("acommandthatdoesnotexist")))
+        self.assertFalse(self.resolve(
+            MissingCommand("acommandthatdoesnotexist")))
 
     def test_missing_command_brz(self):
         self._apt_files = {
@@ -130,7 +134,8 @@ blah (0.1) UNRELEASED; urgency=medium
         self.overrideEnv("DEBFULLNAME", "Jelmer Vernooij")
         self.assertTrue(self.resolve(MissingCommand("brz")))
         self.assertEqual("libc6, brz", self.get_build_deps())
-        rev = self.tree.branch.repository.get_revision(self.tree.branch.last_revision())
+        rev = self.tree.branch.repository.get_revision(
+            self.tree.branch.last_revision())
         self.assertEqual("Add missing build dependency on brz.\n", rev.message)
         self.assertFalse(self.resolve(MissingCommand("brz")))
         self.assertEqual("libc6, brz", self.get_build_deps())
@@ -153,10 +158,12 @@ blah (0.1) UNRELEASED; urgency=medium
     def test_missing_ruby_file_from_gem(self):
         self._apt_files = {
             "/usr/share/rubygems-integration/all/gems/activesupport-"
-            "5.2.3/lib/active_support/core_ext/string/strip.rb": "ruby-activesupport"
+            "5.2.3/lib/active_support/core_ext/string/strip.rb":
+                "ruby-activesupport"
         }
         self.assertTrue(
-            self.resolve(MissingRubyFile("active_support/core_ext/string/strip"))
+            self.resolve(MissingRubyFile(
+                "active_support/core_ext/string/strip"))
         )
         self.assertEqual("libc6, ruby-activesupport", self.get_build_deps())
 
@@ -173,7 +180,8 @@ blah (0.1) UNRELEASED; urgency=medium
         self.assertEqual("libc6, ruby-bio (>= 2.0.3)", self.get_build_deps())
 
     def test_missing_perl_module(self):
-        self._apt_files = {"/usr/share/perl5/App/cpanminus/fatscript.pm": "cpanminus"}
+        self._apt_files = {
+            "/usr/share/perl5/App/cpanminus/fatscript.pm": "cpanminus"}
         self.assertTrue(
             self.resolve(
                 MissingPerlModule(
@@ -200,28 +208,34 @@ blah (0.1) UNRELEASED; urgency=medium
 
     def test_missing_pkg_config(self):
         self._apt_files = {
-            "/usr/lib/x86_64-linux-gnu/pkgconfig/xcb-xfixes.pc": "libxcb-xfixes0-dev"
+            "/usr/lib/x86_64-linux-gnu/pkgconfig/xcb-xfixes.pc":
+                "libxcb-xfixes0-dev"
         }
         self.assertTrue(self.resolve(MissingPkgConfig("xcb-xfixes")))
         self.assertEqual("libc6, libxcb-xfixes0-dev", self.get_build_deps())
 
     def test_missing_pkg_config_versioned(self):
         self._apt_files = {
-            "/usr/lib/x86_64-linux-gnu/pkgconfig/xcb-xfixes.pc": "libxcb-xfixes0-dev"
+            "/usr/lib/x86_64-linux-gnu/pkgconfig/xcb-xfixes.pc":
+                "libxcb-xfixes0-dev"
         }
         self.assertTrue(self.resolve(MissingPkgConfig("xcb-xfixes", "1.0")))
-        self.assertEqual("libc6, libxcb-xfixes0-dev (>= 1.0)", self.get_build_deps())
+        self.assertEqual(
+            "libc6, libxcb-xfixes0-dev (>= 1.0)", self.get_build_deps())
 
     def test_missing_python_module(self):
-        self._apt_files = {"/usr/lib/python3/dist-packages/m2r.py": "python3-m2r"}
+        self._apt_files = {
+            "/usr/lib/python3/dist-packages/m2r.py": "python3-m2r"}
         self.assertTrue(self.resolve(MissingPythonModule("m2r")))
         self.assertEqual("libc6, python3-m2r", self.get_build_deps())
 
     def test_missing_go_package(self):
         self._apt_files = {
-            "/usr/share/gocode/src/github.com/chzyer/readline/utils_test.go": "golang-github-chzyer-readline-dev",
+            "/usr/share/gocode/src/github.com/chzyer/readline/utils_test.go":
+                "golang-github-chzyer-readline-dev",
         }
-        self.assertTrue(self.resolve(MissingGoPackage("github.com/chzyer/readline")))
+        self.assertTrue(self.resolve(
+            MissingGoPackage("github.com/chzyer/readline")))
         self.assertEqual(
             "libc6, golang-github-chzyer-readline-dev", self.get_build_deps()
         )
@@ -232,3 +246,63 @@ blah (0.1) UNRELEASED; urgency=medium
         }
         self.assertTrue(self.resolve(MissingValaPackage("posix")))
         self.assertEqual("libc6, valac-0.48-vapi", self.get_build_deps())
+
+
+class AddBuildDependencyTests(TestCaseWithTransport):
+
+    def setUp(self):
+        super(AddBuildDependencyTests, self).setUp()
+        self.tree = self.make_branch_and_tree(".")
+        self.build_tree_contents(
+            [
+                ("debian/",),
+                (
+                    "debian/control",
+                    """\
+Source: blah
+Build-Depends: libc6
+
+Package: python-blah
+Depends: ${python3:Depends}
+Description: A python package
+ Foo
+""",
+                ),
+                (
+                    "debian/changelog",
+                    """\
+blah (0.1) UNRELEASED; urgency=medium
+
+  * Initial release. (Closes: #XXXXXX)
+
+ -- Jelmer Vernooij <jelmer@debian.org>  Sat, 04 Apr 2020 14:12:13 +0000
+""",
+                ),
+            ]
+        )
+        self.tree.add(["debian", "debian/control", "debian/changelog"])
+        self.tree.commit("Initial commit")
+        self.context = DebianPackagingContext(
+            self.tree,
+            subpath="",
+            committer="ognibuild <ognibuild@jelmer.uk>",
+            update_changelog=True,
+            commit_reporter=NullCommitReporter(),
+        )
+
+    def test_already_present(self):
+        requirement = AptRequirement.simple('libc6')
+        self.assertFalse(add_build_dependency(self.context, requirement))
+
+    def test_basic(self):
+        requirement = AptRequirement.simple('foo')
+        self.assertTrue(add_build_dependency(self.context, requirement))
+        self.assertFileEqual("""\
+Source: blah
+Build-Depends: libc6, foo
+
+Package: python-blah
+Depends: ${python3:Depends}
+Description: A python package
+ Foo
+""", 'debian/control')

tests/test_logs.py

@@ -0,0 +1,95 @@
+#!/usr/bin/python
+# Copyright (C) 2022 Jelmer Vernooij <jelmer@jelmer.uk>
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+
+import os
+import sys
+import tempfile
+from unittest import TestCase
+
+from ognibuild.logs import (
+    copy_output,
+    redirect_output,
+    rotate_logfile,
+    DirectoryLogManager,
+)
+
+
+class TestCopyOutput(TestCase):
+
+    def test_no_tee(self):
+        with tempfile.TemporaryDirectory() as td:
+            p = os.path.join(td, 'foo.log')
+            with copy_output(p, tee=False):
+                sys.stdout.write('lala\n')
+                sys.stdout.flush()
+            with open(p, 'r') as f:
+                self.assertEqual('lala\n', f.read())
+
+    def test_tee(self):
+        with tempfile.TemporaryDirectory() as td:
+            p = os.path.join(td, 'foo.log')
+            with copy_output(p, tee=True):
+                sys.stdout.write('lala\n')
+                sys.stdout.flush()
+            with open(p, 'r') as f:
+                self.assertEqual('lala\n', f.read())
+
+
+class TestRedirectOutput(TestCase):
+
+    def test_simple(self):
+        with tempfile.TemporaryDirectory() as td:
+            p = os.path.join(td, 'foo.log')
+            with open(p, 'w') as f:
+                with redirect_output(f):
+                    sys.stdout.write('lala\n')
+                    sys.stdout.flush()
+            with open(p, 'r') as f:
+                self.assertEqual('lala\n', f.read())
+
+
+class TestRotateLogfile(TestCase):
+
+    def test_does_not_exist(self):
+        with tempfile.TemporaryDirectory() as td:
+            p = os.path.join(td, 'foo.log')
+            rotate_logfile(p)
+            self.assertEqual([], os.listdir(td))
+
+    def test_simple(self):
+        with tempfile.TemporaryDirectory() as td:
+            p = os.path.join(td, 'foo.log')
+            with open(p, 'w') as f:
+                f.write('contents\n')
+            rotate_logfile(p)
+            self.assertEqual(['foo.log.1'], os.listdir(td))
+
+
+class TestLogManager(TestCase):
+
+    def test_simple(self):
+        with tempfile.TemporaryDirectory() as td:
+            p = os.path.join(td, 'foo.log')
+            lm = DirectoryLogManager(p, mode='redirect')
+
+            def writesomething():
+                sys.stdout.write('foo\n')
+                sys.stdout.flush()
+            fn = lm.wrap(writesomething)
+            fn()
+            with open(p, 'r') as f:
+                self.assertEqual('foo\n', f.read())

tests/test_resolver_apt.py

@@ -0,0 +1,47 @@
+#!/usr/bin/python
+# Copyright (C) 2022 Jelmer Vernooij <jelmer@jelmer.uk>
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+
+from unittest import TestCase
+
+
+from ognibuild.resolver.apt import get_possible_python3_paths_for_python_object
+
+
+class TestPython3Paths(TestCase):
+
+    def test_paths(self):
+        self.assertEqual([
+            '/usr/lib/python3/dist\\-packages/dulwich/__init__\\.py',
+            '/usr/lib/python3/dist\\-packages/dulwich\\.py',
+            '/usr/lib/python3\\.[0-9]+/'
+            'lib\\-dynload/dulwich.cpython\\-.*\\.so',
+            '/usr/lib/python3\\.[0-9]+/dulwich\\.py',
+            '/usr/lib/python3\\.[0-9]+/dulwich/__init__\\.py'],
+            get_possible_python3_paths_for_python_object('dulwich'))
+        self.assertEqual([
+            '/usr/lib/python3/dist\\-packages/cleo/foo/__init__\\.py',
+            '/usr/lib/python3/dist\\-packages/cleo/foo\\.py',
+            '/usr/lib/python3\\.[0-9]+/'
+            'lib\\-dynload/cleo/foo.cpython\\-.*\\.so',
+            '/usr/lib/python3\\.[0-9]+/cleo/foo\\.py',
+            '/usr/lib/python3\\.[0-9]+/cleo/foo/__init__\\.py',
+            '/usr/lib/python3/dist\\-packages/cleo/__init__\\.py',
+            '/usr/lib/python3/dist\\-packages/cleo\\.py',
+            '/usr/lib/python3\\.[0-9]+/lib\\-dynload/cleo.cpython\\-.*\\.so',
+            '/usr/lib/python3\\.[0-9]+/cleo\\.py',
+            '/usr/lib/python3\\.[0-9]+/cleo/__init__\\.py'],
+            get_possible_python3_paths_for_python_object('cleo.foo'))