Index wiki after project import finishes

Add a call to index the wiki repository after project import is
finished for Elastic Search enabled projects. This will only be
run if the project is being imported and is not a fork. The indexing
for wiki repositories will not run when mirrors are updated.

ee/app/models/ee/project.rb

@@ -596,6 +596,10 @@ module EE
       repository.log_geo_updated_event
       wiki.repository.log_geo_updated_event
       design_repository.log_geo_updated_event
+
+      # Index the wiki repository after import of non-forked projects only, the project repository is indexed
+      # in ProjectImportState so ElasticSearch will get project repository changes when mirrors are updated
+      ElasticCommitIndexerWorker.perform_async(id, nil, nil, true) if use_elasticsearch? && !forked?
     end
 
     override :import?

ee/changelogs/unreleased/207491-elasticsearch-wiki-is-not-correctly-indexed-on-import.yml

+---
+title: Fix wiki indexing for imported projects.
+merge_request: 29952
+author:
+type: fixed

ee/spec/models/project_spec.rb

@@ -1728,6 +1728,41 @@ describe Project do
 
       project.after_import
     end
+
+    context 'elasticsearch indexing disabled for this project' do
+      before do
+        expect(project).to receive(:use_elasticsearch?).and_return(false)
+      end
+
+      it 'does not index the wiki repository' do
+        expect(ElasticCommitIndexerWorker).not_to receive(:perform_async)
+
+        project.after_import
+      end
+    end
+
+    context 'elasticsearch indexing enabled for this project' do
+      before do
+        expect(project).to receive(:use_elasticsearch?).and_return(true)
+      end
+
+      it 'schedules a full index of the wiki repository' do
+        expect(ElasticCommitIndexerWorker).to receive(:perform_async).with(project.id, nil, nil, true)
+
+        project.after_import
+      end
+
+      context 'when project is forked' do
+        before do
+          expect(project).to receive(:forked?).and_return(true)
+        end
+        it 'does not index the wiki repository' do
+          expect(ElasticCommitIndexerWorker).not_to receive(:perform_async)
+
+          project.after_import
+        end
+      end
+    end
   end
 
   describe '#lfs_http_url_to_repo' do