1 files changed, 28 insertions, 0 deletions
diff --git a/db/post_migrate/20210823113259_steal_merge_request_diff_commit_users_migration.rb b/db/post_migrate/20210823113259_steal_merge_request_diff_commit_users_migration.rb
new file mode 100644
index 00000000000..7e893d62c28
--- /dev/null
+++ b/db/post_migrate/20210823113259_steal_merge_request_diff_commit_users_migration.rb
@@ -0,0 +1,28 @@
+# frozen_string_literal: true
+
+# See https://docs.gitlab.com/ee/development/migration_style_guide.html
+# for more information on how to write migrations for GitLab.
+
+class StealMergeRequestDiffCommitUsersMigration < ActiveRecord::Migration[6.1]
+  include Gitlab::Database::MigrationHelpers
+
+  disable_ddl_transaction!
+
+  def up
+    job = Gitlab::Database::BackgroundMigrationJob
+      .for_migration_class('MigrateMergeRequestDiffCommitUsers')
+      .pending
+      .last
+
+    return unless job
+
+    # We schedule in one hour so we don't end up running the migrations while a
+    # deployment is still wrapping up. Not that that really matters, but it
+    # prevents from too much happening during a deployment window.
+    migrate_in(1.hour, 'StealMigrateMergeRequestDiffCommitUsers', job.arguments)
+  end
+
+  def down
+    # no-op
+  end
+end