Validate commit and branches

lib/gitlab/ci/config/entry/release.rb

@@ -44,12 +44,12 @@ module Gitlab
             end
             validate do
               next unless config[:ref]
+              next if Commit.reference_valid?(config[:ref])
+              next if Gitlab::GitRefValidator.validate(config[:ref])
 
-              unless Gitlab::GitRefValidator.validate(config[:ref])
               errors.add(:ref, "must be a valid ref")
             end
           end
-          end
 
           def value
             @config[:assets] = assets_value if @config.key?(:assets)