1 files changed, 20 insertions, 5 deletions
diff --git a/app/models/concerns/repository_mirroring.rb b/app/models/concerns/repository_mirroring.rb
index fed336c29d6..f6aba91bc4c 100644
--- a/app/models/concerns/repository_mirroring.rb
+++ b/app/models/concerns/repository_mirroring.rb
@@ -1,11 +1,26 @@
 module RepositoryMirroring
-  def set_remote_as_mirror(name)
-    config = raw_repository.rugged.config
+  IMPORT_HEAD_REFS = '+refs/heads/*:refs/heads/*'.freeze
+  IMPORT_TAG_REFS = '+refs/tags/*:refs/tags/*'.freeze
 
+  def set_remote_as_mirror(name)
     # This is used to define repository as equivalent as "git clone --mirror"
-    config["remote.#{name}.fetch"] = 'refs/*:refs/*'
-    config["remote.#{name}.mirror"] = true
-    config["remote.#{name}.prune"] = true
+    raw_repository.rugged.config["remote.#{name}.fetch"] = 'refs/*:refs/*'
+    raw_repository.rugged.config["remote.#{name}.mirror"] = true
+    raw_repository.rugged.config["remote.#{name}.prune"] = true
+  end
+
+  def set_import_remote_as_mirror(remote_name)
+    # Add first fetch with Rugged so it does not create its own.
+    raw_repository.rugged.config["remote.#{remote_name}.fetch"] = IMPORT_HEAD_REFS
+
+    add_remote_fetch_config(remote_name, IMPORT_TAG_REFS)
+
+    raw_repository.rugged.config["remote.#{remote_name}.mirror"] = true
+    raw_repository.rugged.config["remote.#{remote_name}.prune"] = true
+  end
+
+  def add_remote_fetch_config(remote_name, refspec)
+    run_git(%W[config --add remote.#{remote_name}.fetch #{refspec}])
   end
 
   def fetch_mirror(remote, url)