Avoid calling DetectRepositoryLanguagesWorker on wiki repos

app/models/repository.rb

@@ -447,6 +447,8 @@ class Repository
   def after_import
     expire_content_cache
 
+    return unless repo_type.project?
+
     # This call is stubbed in tests due to being an expensive operation
     # It can be reenabled for specific tests via:
     #

changelogs/unreleased/fj-avoid-calling-detect-languages-worker-wiki-repos.yml

+---
+title: Call DetectRepositoryLanguagesWorker only for project repositories
+merge_request: 23696
+author:
+type: fixed

spec/models/repository_spec.rb

@@ -1817,10 +1817,28 @@ describe Repository do
   end
 
   describe '#after_import' do
+    subject { repository.after_import }
+
     it 'flushes and builds the cache' do
       expect(repository).to receive(:expire_content_cache)
 
-      repository.after_import
+      subject
+    end
+
+    it 'calls DetectRepositoryLanguagesWorker' do
+      expect(DetectRepositoryLanguagesWorker).to receive(:perform_async)
+
+      subject
+    end
+
+    context 'with a wiki repository' do
+      let(:repository) { project.wiki.repository }
+
+      it 'does not call DetectRepositoryLanguagesWorker' do
+        expect(DetectRepositoryLanguagesWorker).not_to receive(:perform_async)
+
+        subject
+      end
     end
   end