Fix invalid pipeline build chain tag evaluation

1 files changed, 4 insertions, 2 deletions

diff --git a/lib/gitlab/ci/pipeline/chain/build.rb b/lib/gitlab/ci/pipeline/chain/build.rb
index a126dded1ae..d47ebf70068 100644
--- a/lib/gitlab/ci/pipeline/chain/build.rb
+++ b/lib/gitlab/ci/pipeline/chain/build.rb
@@ -3,8 +3,6 @@ module Gitlab
     module Pipeline
       module Chain
         class Build < Chain::Base
-          include Chain::Helpers
-
           def perform!
             @pipeline.assign_attributes(
               source: @command.source,
@@ -51,6 +49,10 @@ module Gitlab
           def protected_ref?
             @project.protected_for?(ref)
           end
+
+          def tag_exists?
+            project.repository.tag_exists?(ref)
+          end
         end
       end
     end