generate_packages/repology: specify git url in isdevelop pkgs, and in…

… class-wide urls (#21)

generate_packages.py

@@ -127,6 +127,8 @@ def main():
             # Is there a develop branch?
             if version.isdevelop():
                 meta["branch"] = str(version)
+                if hasattr(pkg, "git"):
+                    meta["downloads"] = [pkg.git]
             else:
                 meta["downloads"] = [url]
 
@@ -213,6 +215,10 @@ def main():
         except:
             urls = pkg.all_urls
 
+        # Add git repository to urls if specified
+        if hasattr(pkg, "git"):
+            urls.append(pkg.git)
+
         # Add to repology
         repology_pkg = {
             "name": pkg.name,