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-rw-r--r--rubocop/cop/migration/with_lock_retries_with_change.rb30
1 files changed, 30 insertions, 0 deletions
diff --git a/rubocop/cop/migration/with_lock_retries_with_change.rb b/rubocop/cop/migration/with_lock_retries_with_change.rb
new file mode 100644
index 00000000000..36fc1f92833
--- /dev/null
+++ b/rubocop/cop/migration/with_lock_retries_with_change.rb
@@ -0,0 +1,30 @@
+# frozen_string_literal: true
+
+require_relative '../../migration_helpers'
+
+module RuboCop
+ module Cop
+ module Migration
+ # Cop that prevents usage of `with_lock_retries` within the `change` method.
+ class WithLockRetriesWithChange < RuboCop::Cop::Cop
+ include MigrationHelpers
+
+ MSG = '`with_lock_retries` cannot be used within `change` so you must manually define ' \
+ 'the `up` and `down` methods in your migration class and use `with_lock_retries` in both methods'.freeze
+
+ def on_send(node)
+ return unless in_migration?(node)
+ return unless node.children[1] == :with_lock_retries
+
+ node.each_ancestor(:def) do |def_node|
+ add_offense(def_node, location: :name) if method_name(def_node) == :change
+ end
+ end
+
+ def method_name(node)
+ node.children.first
+ end
+ end
+ end
+ end
+end