Add latest changes from gitlab-org/gitlab@14-0-stable-ee

1 files changed, 13 insertions, 0 deletions

diff --git a/app/models/repository.rb b/app/models/repository.rb
index 1bd61fe48cb..a77aaf02e06 100644
--- a/app/models/repository.rb
+++ b/app/models/repository.rb
@@ -466,6 +466,7 @@ class Repository
   # Runs code after the HEAD of a repository is changed.
   def after_change_head
     expire_all_method_caches
+    container.after_repository_change_head
   end
 
   # Runs code after a new commit has been pushed.
@@ -1142,6 +1143,18 @@ class Repository
     Gitlab::CurrentSettings.pick_repository_storage
   end
 
+  def change_head(branch)
+    if branch_exists?(branch)
+      before_change_head
+      raw_repository.write_ref('HEAD', "refs/heads/#{branch}")
+      copy_gitattributes(branch)
+      after_change_head
+    else
+      container.errors.add(:base, _("Could not change HEAD: branch '%{branch}' does not exist") % { branch: branch })
+      false
+    end
+  end
+
   private
 
   # TODO Genericize finder, later split this on finders by Ref or Oid