Fix: Geo: BaseSyncService should prune the @geo-temporary directory before fetching

ee/app/services/geo/base_sync_service.rb

@@ -220,7 +220,7 @@ module Geo
     end
 
     def clean_up_temporary_repository
-      exists = gitlab_shell.exists?(project.repository_storage, disk_path_temp)
+      exists = gitlab_shell.exists?(project.repository_storage, disk_path_temp + '.git')
 
       if exists && !gitlab_shell.remove_repository(project.repository_storage, disk_path_temp)
         raise Gitlab::Shell::Error, "Temporary #{type} can not be removed"

ee/changelogs/unreleased/5841-geo-basesyncservice-should-prune-the-geo-temporary-directory-before-fetching.yml

+---
+title: 'Fix: Geo: BaseSyncService should prune the @geo-temporary directory before
+  fetching'
+merge_request:
+author:
+type: fixed

ee/spec/services/geo/repository_sync_service_spec.rb

@@ -299,7 +299,8 @@ describe Geo::RepositorySyncService do
         )
 
         expect(subject).to receive(:fetch_geo_mirror)
-        expect(subject).to receive(:clean_up_temporary_repository).twice
+        expect(subject).to receive(:clean_up_temporary_repository).twice.and_call_original
+        expect(subject.gitlab_shell).to receive(:exists?).twice.with(project.repository_storage, /.git$/)
 
         subject.execute
       end