1 files changed, 30 insertions, 0 deletions
diff --git a/lib/gitlab/ci/pipeline/chain/config/content/parameter.rb b/lib/gitlab/ci/pipeline/chain/config/content/parameter.rb
new file mode 100644
index 00000000000..3dd216b33d1
--- /dev/null
+++ b/lib/gitlab/ci/pipeline/chain/config/content/parameter.rb
@@ -0,0 +1,30 @@
+# frozen_string_literal: true
+
+module Gitlab
+  module Ci
+    module Pipeline
+      module Chain
+        module Config
+          class Content
+            class Parameter < Source
+              UnsupportedSourceError = Class.new(StandardError)
+
+              def content
+                strong_memoize(:content) do
+                  next unless command.content.present?
+                  raise UnsupportedSourceError, "#{command.source} not a dangling build" unless command.dangling_build?
+
+                  command.content
+                end
+              end
+
+              def source
+                :parameter_source
+              end
+            end
+          end
+        end
+      end
+    end
+  end
+end