1 files changed, 32 insertions, 0 deletions
diff --git a/lib/gitlab/ci/pipeline/chain/validate/repository.rb b/lib/gitlab/ci/pipeline/chain/validate/repository.rb
new file mode 100644
index 00000000000..9d328c9cedb
--- /dev/null
+++ b/lib/gitlab/ci/pipeline/chain/validate/repository.rb
@@ -0,0 +1,32 @@
+module Gitlab
+  module Ci
+    module Pipeline
+      module Chain
+        module Validate
+          class Repository < Chain::Base
+            include Chain::Helpers
+
+            def perform!
+              unless branch_exists? || tag_exists?
+                return error('Reference not found')
+              end
+
+              ## TODO, we check commit in the service, that is why
+              # there is no repository access here.
+              #
+              # Should we validate repository before building a pipeline?
+              #
+              unless pipeline.sha
+                return error('Commit not found')
+              end
+            end
+
+            def break?
+              @pipeline.errors.any?
+            end
+          end
+        end
+      end
+    end
+  end
+end