Merge pull request '[FEAT] add Forgejo Git Service (squash) register a Forgejo factory' (#1884) from earl-warren/forgejo:wip-v1.21-forgejo-migration into v1.21/forgejo

Reviewed-on: https://codeberg.org/forgejo/forgejo/pulls/1884

services/migrations/forgejo_downloader.go

@@ -0,0 +1,20 @@
+// Copyright 2023 The Forgejo Authors
+// SPDX-License-Identifier: MIT
+
+package migrations
+
+import (
+	"code.gitea.io/gitea/modules/structs"
+)
+
+func init() {
+	RegisterDownloaderFactory(&ForgejoDownloaderFactory{})
+}
+
+type ForgejoDownloaderFactory struct {
+	GiteaDownloaderFactory
+}
+
+func (f *ForgejoDownloaderFactory) GitServiceType() structs.GitServiceType {
+	return structs.ForgejoService
+}