1 files changed, 17 insertions, 0 deletions
diff --git a/lib/api/helpers/unidiff.rb b/lib/api/helpers/unidiff.rb
new file mode 100644
index 00000000000..aabc0acd454
--- /dev/null
+++ b/lib/api/helpers/unidiff.rb
@@ -0,0 +1,17 @@
+# frozen_string_literal: true
+
+module API
+  module Helpers
+    module Unidiff
+      extend ActiveSupport::Concern
+
+      included do
+        helpers do
+          params :with_unidiff do
+            optional :unidiff, type: ::Grape::API::Boolean, default: false, desc: 'A diff in a Unified diff format'
+          end
+        end
+      end
+    end
+  end
+end