1 files changed, 23 insertions, 0 deletions
diff --git a/lib/gitlab/ci/build/rules/rule/clause/changes.rb b/lib/gitlab/ci/build/rules/rule/clause/changes.rb
new file mode 100644
index 00000000000..81d2ee6c24c
--- /dev/null
+++ b/lib/gitlab/ci/build/rules/rule/clause/changes.rb
@@ -0,0 +1,23 @@
+# frozen_string_literal: true
+
+module Gitlab
+  module Ci
+    module Build
+      class Rules::Rule::Clause::Changes < Rules::Rule::Clause
+        def initialize(globs)
+          @globs = Array(globs)
+        end
+
+        def satisfied_by?(pipeline, seed)
+          return true if pipeline.modified_paths.nil?
+
+          pipeline.modified_paths.any? do |path|
+            @globs.any? do |glob|
+              File.fnmatch?(glob, path, File::FNM_PATHNAME | File::FNM_DOTMATCH | File::FNM_EXTGLOB)
+            end
+          end
+        end
+      end
+    end
+  end
+end