Fix DiffCheck failing due to invalid string argument

Hot patch for #55137
2018-12-10 14:11:56 -08:00 · 2018-12-10 14:11:56 -08:00 · eb335bbcfe
commit eb335bbcfe
parent 85f430cb3c
1 changed files with 1 additions and 0 deletions
--- a/lib/gitlab/checks/diff_check.rb
+++ b/lib/gitlab/checks/diff_check.rb
@ -11,6 +11,7 @@ module Gitlab
      }.freeze

      def validate!
+        return if deletion? || newrev.nil?
        return unless should_run_diff_validations?
        return if commits.empty?
        return unless uses_raw_delta_validations?