More go support.

ognibuild/buildsystem.py

@@ -42,6 +42,8 @@ from .requirements import (
     OctavePackageRequirement,
     PhpPackageRequirement,
     MavenArtifactRequirement,
+    GoRequirement,
+    GoPackageRequirement,
 )
 from .fix_build import run_with_build_fixers
 from .session import which
@@ -1165,6 +1167,26 @@ class Golang(BuildSystem):
     def clean(self, session, resolver, fixers):
         session.check_call(["go", "clean"])
 
+    def get_declared_dependencies(self, session, fixers=None):
+        go_mod_path = os.path.join(self.path, 'go.mod')
+        if not os.path.exists(go_mod_path):
+            with open(go_mod_path, 'r') as f:
+                for line in f:
+                    parts = line.strip().split(' ')
+                    if not parts:
+                        continue
+                    if parts[0] == 'go':
+                        yield "build", GoRequirement(parts[1])
+                    elif parts[0] == 'require':
+                        yield "build", GoPackageRequirement(
+                            parts[1], parts[2] if len(parts) > 2 else None)
+                    elif parts[0] in ('module', 'exclude', 'replace'):
+                        pass
+                    else:
+                        logging.warning(
+                            'Unknown directive %s in go.mod',
+                            parts[0])
+
     @classmethod
     def probe(cls, path):
         if os.path.exists(os.path.join(path, 'go.mod')):

ognibuild/requirements.py

@@ -271,10 +271,21 @@ class RubyGemRequirement(Requirement):
 class GoPackageRequirement(Requirement):
 
     package: str
+    version: Optional[str]
 
-    def __init__(self, package: str):
+    def __init__(self, package: str, version: Optional[str] = None):
-        super(GoPackageRequirement, self).__init__("go")
+        super(GoPackageRequirement, self).__init__("go-package")
         self.package = package
+        self.version = version
+
+
+class GoRequirement(Requirement):
+
+    version: Optional[str]
+
+    def __init__(self, version: Optional[str] = None):
+        super(GoPackageRequirement, self).__init__("go")
+        self.version = version
 
 
 class DhAddonRequirement(Requirement):

ognibuild/resolver/apt.py

@@ -39,6 +39,7 @@ from ..requirements import (
     ValaPackageRequirement,
     RubyGemRequirement,
     GoPackageRequirement,
+    GoRequirement,
     DhAddonRequirement,
     PhpClassRequirement,
     PhpPackageRequirement,
@@ -306,6 +307,10 @@ def resolve_go_package_req(apt_mgr, req):
     )
 
 
+def resolve_go_req(apt_mgr, req):
+    return [AptRequirement.simple('golang-%s' % req.version)]
+
+
 def resolve_dh_addon_req(apt_mgr, req):
     paths = [posixpath.join("/usr/share/perl5", req.path)]
     return find_reqs_simple(apt_mgr, paths)
@@ -556,6 +561,7 @@ APT_REQUIREMENT_RESOLVERS = [
     (ValaPackageRequirement, resolve_vala_package_req),
     (RubyGemRequirement, resolve_ruby_gem_req),
     (GoPackageRequirement, resolve_go_package_req),
+    (GoRequirement, resolve_go_req),
     (DhAddonRequirement, resolve_dh_addon_req),
     (PhpClassRequirement, resolve_php_class_req),
     (PhpPackageRequirement, resolve_php_package_req),