Allow creating merge requests across forks of a project

1 files changed, 18 insertions, 0 deletions

diff --git a/app/finders/merge_request_target_project_finder.rb b/app/finders/merge_request_target_project_finder.rb
new file mode 100644
index 00000000000..508b53a52c1
--- /dev/null
+++ b/app/finders/merge_request_target_project_finder.rb
@@ -0,0 +1,18 @@
+class MergeRequestTargetProjectFinder
+  attr_reader :current_user, :source_project
+
+  def initialize(current_user: nil, source_project:, params: {})
+    @current_user = current_user
+    @source_project = source_project
+  end
+
+  def execute
+    if @source_project.fork_network
+      @source_project.fork_network.projects
+        .public_or_visible_to_user(current_user)
+        .with_feature_available_for_user(:merge_requests, current_user)
+    else
+      Project.where(id: source_project)
+    end
+  end
+end