Fix MR pipelines run on only: refex

1 files changed, 8 insertions, 4 deletions

diff --git a/lib/gitlab/ci/build/policy/refs.rb b/lib/gitlab/ci/build/policy/refs.rb
index 10934536536..0e9bb5c94bb 100644
--- a/lib/gitlab/ci/build/policy/refs.rb
+++ b/lib/gitlab/ci/build/policy/refs.rb
@@ -32,10 +32,14 @@ module Gitlab
             return true if pipeline.source == pattern
             return true if pipeline.source&.pluralize == pattern
 
-            if pattern.first == "/" && pattern.last == "/"
-              Regexp.new(pattern[1...-1]) =~ pipeline.ref
-            else
-              pattern == pipeline.ref
+            # patterns can be matched only when branch or tag is used
+            # the pattern matching does not work for merge requests pipelines
+            if pipeline.branch? || pipeline.tag?
+              if pattern.first == "/" && pattern.last == "/"
+                Regexp.new(pattern[1...-1]) =~ pipeline.ref
+              else
+                pattern == pipeline.ref
+              end
             end
           end
         end