Fetch the module version from the Modulefile when cloning a git repo

lib/librarian/puppet/source/git.rb

@@ -15,6 +15,16 @@ def hash_from(remote, reference)
           run!(command, :chdir => true).strip
         end
 
+        # Naming this method 'version' causes an exception to be raised.
+        def module_version
+          return '0.0.1' unless modulefile?
+
+          metadata  = ::Puppet::ModuleTool::Metadata.new
+          ::Puppet::ModuleTool::ModulefileReader.evaluate(metadata, modulefile)
+
+          metadata.version
+        end
+
         def dependencies
           return {} unless modulefile?
 
@@ -45,6 +55,12 @@ module Source
       class Git < Librarian::Source::Git
         include Local
 
+        def fetch_version(name, extra)
+          cache!
+          found_path = found_path(name)
+          repository.module_version
+        end
+
         def fetch_dependencies(name, version, extra)
           repository.dependencies.map do |k, v|
             Dependency.new(k, v, nil)