Fix EE-only uses of Gitlab::Git::Tag broken in b304fd79

app/models/concerns/repository_mirroring.rb

@@ -29,7 +29,8 @@ module RepositoryMirroring
 
   def remote_tags(remote)
     gitlab_shell.list_remote_tags(storage_path, path_with_namespace, remote).map do |name, target|
-      Gitlab::Git::Tag.new(raw_repository, name, target)
+      target_commit = Gitlab::Git::Commit.find(raw_repository, target)
+      Gitlab::Git::Tag.new(raw_repository, name, target, target_commit)
     end
   end
 

spec/services/projects/update_remote_mirror_service_spec.rb

@@ -205,8 +205,10 @@ describe Projects::UpdateRemoteMirrorService do
 
   def generate_tags(repository, *tag_names)
     tag_names.each_with_object([]) do |name, tags|
-      target_commit = repository.find_tag(name).try(:dereferenced_target).try(:raw_commit)
-      tags << Gitlab::Git::Tag.new(repository.raw_repository, name, target_commit)
+      tag = repository.find_tag(name)
+      target = tag.try(:target)
+      target_commit = tag.try(:dereferenced_target)
+      tags << Gitlab::Git::Tag.new(repository.raw_repository, name, target, target_commit)
     end
   end