Merge branch 'master' into 44427-state-management-with-vuext

* master: (1063 commits)
  Replace commits spinach tests with RSpec analog
  Update repository.rb
  Add note about rebase/squash duplication in Gitaly
  Resolve "Reconcile project templates with Auto DevOps"
  Move import project pane to a separate partial
  Inform the user when there are no project import options available
  Clarify location of Vue templates
  Make add_index_to_namespaces_runners_token migration reversible
  Fix lambda arguments in Grape entities
  Update grape-entity 0.6.0 -> 0.7.1
  Fix constants in backfill_runner_type_for_ci_runners_post_migrate.rb
  Use limited_counter_with_delimiter in the admin user list tabs
  Remove a warning from spec/features/admin/admin_users_spec.rb
  Use smallint for runner_type since its an enum
  Dont remove duplicates in Runner.owned_or_shared since its not necessary
  Change the docs license to CC BY-SA
  Remove unnecessary disable transaction in add_ci_runner_namespaces
  Split migration to add and index namespaces.runners_token
  Output some useful information when running the rails console
  Revert "Use factory in specs for ProjectCiCdSettings"
  ...

1 files changed, 22 insertions, 0 deletions

diff --git a/app/services/projects/base_move_relations_service.rb b/app/services/projects/base_move_relations_service.rb
new file mode 100644
index 00000000000..e8fd3ef57e5
--- /dev/null
+++ b/app/services/projects/base_move_relations_service.rb
@@ -0,0 +1,22 @@
+module Projects
+  class BaseMoveRelationsService < BaseService
+    attr_reader :source_project
+    def execute(source_project, remove_remaining_elements: true)
+      return if source_project.blank?
+
+      @source_project = source_project
+
+      true
+    end
+
+    private
+
+    def prepare_relation(relation, id_param = :id)
+      if Gitlab::Database.postgresql?
+        relation
+      else
+        relation.model.where("#{id_param}": relation.pluck(id_param))
+      end
+    end
+  end
+end