1 files changed, 14 insertions, 2 deletions
diff --git a/lib/api/projects.rb b/lib/api/projects.rb
index a1fd598414a..d35ec73c8c1 100644
--- a/lib/api/projects.rb
+++ b/lib/api/projects.rb
@@ -189,16 +189,28 @@ module API
         end
       end
 
-      # Fork new project for the current user.
+      # Fork new project for the current user or provided namespace.
       #
       # Parameters:
       #   id (required) - The ID of a project
+      #   namespace (optional) - The ID or name of the namespace that the project will be forked into.
       # Example Request
       #   POST /projects/fork/:id
       post 'fork/:id' do
+        attrs = {}
+        namespace_id = params[:namespace]
+        if namespace_id.present?
+          namespace = Namespace.find_by(id: namespace_id) || Namespace.find_by_path_or_name(namespace_id)
+          if namespace.nil?
+            not_found!('Target Namespace')
+          end
+          authorize! :create_projects, namespace
+          attrs[:namespace] = namespace
+        end
         @forked_project =
           ::Projects::ForkService.new(user_project,
-                                      current_user).execute
+                                      current_user,
+                                      attrs).execute
         if @forked_project.errors.any?
           conflict!(@forked_project.errors.messages)
         else