Fix calls to after_push_commit after CE upstream merge

app/workers/geo_repository_update_worker.rb

@@ -24,12 +24,12 @@ class GeoRepositoryUpdateWorker
   def process_hooks
     if @push_data['type'] == 'push'
       branch = Gitlab::Git.ref_name(@push_data['ref'])
-      process_push(branch, @push_data['after'])
+      process_push(branch)
     end
   end
 
-  def process_push(branch, revision)
-    @project.repository.after_push_commit(branch, revision)
+  def process_push(branch)
+    @project.repository.after_push_commit(branch)
 
     if push_remove_branch?
       @project.repository.after_remove_branch

spec/workers/geo_repository_update_worker_spec.rb

@@ -86,7 +86,7 @@ describe GeoRepositoryUpdateWorker do
     before { allow(subject).to receive(:fetch_repository) }
 
     it 'executes after_push_commit' do
-      expect(project.repository).to receive(:after_push_commit).at_least(:once).with('master', newrev)
+      expect(project.repository).to receive(:after_push_commit).at_least(:once).with('master')
 
       performed
     end