Update repository size after import

After an import by URL, only the LFS object size and commit count were
being updated. If a repository takes a while to clone, the statistics
may be stale. To prevent this we schedule a cache update when the import
is finished.

Closes https://gitlab.com/gitlab-org/gitlab/-/issues/291845

app/models/project.rb

@@ -1843,6 +1843,7 @@ class Project < ApplicationRecord
     wiki.repository.expire_content_cache
 
     DetectRepositoryLanguagesWorker.perform_async(id)
+    ProjectCacheWorker.perform_async(self.id, [], [:repository_size])
 
     # The import assigns iid values on its own, e.g. by re-using GitHub ids.
     # Flush existing InternalId records for this project for consistency reasons.

changelogs/unreleased/sh-update-repo-size-after-import.yml

+---
+title: Update repository size after import
+merge_request: 49319
+author:
+type: fixed

spec/models/project_spec.rb

@@ -4981,6 +4981,7 @@ RSpec.describe Project, factory_default: :keep do
       expect(project).to receive(:after_create_default_branch)
       expect(project).to receive(:refresh_markdown_cache!)
       expect(InternalId).to receive(:flush_records!).with(project: project)
+      expect(ProjectCacheWorker).to receive(:perform_async).with(project.id, [], [:repository_size])
       expect(DetectRepositoryLanguagesWorker).to receive(:perform_async).with(project.id)
       expect(project).to receive(:write_repository_config)