1 files changed, 50 insertions, 22 deletions

diff --git a/app/services/projects/destroy_service.rb b/app/services/projects/destroy_service.rb
index e2b2660ea71..f6e8b6655f2 100644
--- a/app/services/projects/destroy_service.rb
+++ b/app/services/projects/destroy_service.rb
@@ -15,40 +15,48 @@ module Projects
     def execute
       return false unless can?(current_user, :remove_project, project)
 
-      repo_path = project.path_with_namespace
-      wiki_path = repo_path + '.wiki'
-
       # Flush the cache for both repositories. This has to be done _before_
       # removing the physical repositories as some expiration code depends on
       # Git data (e.g. a list of branch names).
-      flush_caches(project, wiki_path)
+      flush_caches(project)
 
       Projects::UnlinkForkService.new(project, current_user).execute
 
-      Project.transaction do
-        project.team.truncate
-        project.destroy!
-
-        unless remove_legacy_registry_tags
-          raise_error('Failed to remove some tags in project container registry. Please try again or contact administrator.')
-        end
-
-        unless remove_repository(repo_path)
-          raise_error('Failed to remove project repository. Please try again or contact administrator.')
-        end
+      attempt_destroy_transaction(project)
 
-        unless remove_repository(wiki_path)
-          raise_error('Failed to remove wiki repository. Please try again or contact administrator.')
-        end
-      end
-
-      log_info("Project \"#{project.path_with_namespace}\" was removed")
       system_hook_service.execute_hooks_for(project, :destroy)
+      log_info("Project \"#{project.full_path}\" was removed")
+
       true
+    rescue => error
+      attempt_rollback(project, error.message)
+      false
+    rescue Exception => error # rubocop:disable Lint/RescueException
+      # Project.transaction can raise Exception
+      attempt_rollback(project, error.message)
+      raise
     end
 
     private
 
+    def repo_path
+      project.path_with_namespace
+    end
+
+    def wiki_path
+      repo_path + '.wiki'
+    end
+
+    def trash_repositories!
+      unless remove_repository(repo_path)
+        raise_error('Failed to remove project repository. Please try again or contact administrator.')
+      end
+
+      unless remove_repository(wiki_path)
+        raise_error('Failed to remove wiki repository. Please try again or contact administrator.')
+      end
+    end
+
     def remove_repository(path)
       # Skip repository removal. We use this flag when remove user or group
       return true if params[:skip_repo] == true
@@ -70,6 +78,26 @@ module Projects
       end
     end
 
+    def attempt_rollback(project, message)
+      return unless project
+
+      project.update_attributes(delete_error: message, pending_delete: false)
+      log_error("Deletion failed on #{project.full_path} with the following message: #{message}")
+    end
+
+    def attempt_destroy_transaction(project)
+      Project.transaction do
+        unless remove_legacy_registry_tags
+          raise_error('Failed to remove some tags in project container registry. Please try again or contact administrator.')
+        end
+
+        trash_repositories!
+
+        project.team.truncate
+        project.destroy!
+      end
+    end
+
     ##
     # This method makes sure that we correctly remove registry tags
     # for legacy image repository (when repository path equals project path).
@@ -96,7 +124,7 @@ module Projects
       "#{path}+#{project.id}#{DELETED_FLAG}"
     end
 
-    def flush_caches(project, wiki_path)
+    def flush_caches(project)
       project.repository.before_delete
 
       Repository.new(wiki_path, project).before_delete