From 49cad30daf6f5e95b0687dcb89cce753319b01fc Mon Sep 17 00:00:00 2001
From: Grzegorz Bizon <grzesiek.bizon@gmail.com>
Date: Wed, 21 Feb 2018 10:48:58 +0100
Subject: Add a null token to pipelines expressions

---
 lib/gitlab/ci/pipeline/expression/null.rb | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
 create mode 100644 lib/gitlab/ci/pipeline/expression/null.rb

diff --git a/lib/gitlab/ci/pipeline/expression/null.rb b/lib/gitlab/ci/pipeline/expression/null.rb
new file mode 100644
index 00000000000..d33f0bffc48
--- /dev/null
+++ b/lib/gitlab/ci/pipeline/expression/null.rb
@@ -0,0 +1,19 @@
+module Gitlab
+  module Ci
+    module Pipeline
+      module Expression
+        class Null < Expression::Token
+          PATTERN = /null/.freeze
+
+          def initialize(value)
+            @value = value
+          end
+
+          def evaluate(**_)
+            nil
+          end
+        end
+      end
+    end
+  end
+end
-- 
cgit v1.2.1