diff --git a/testdata/ci/changelog.sh b/testdata/ci/changelog.sh
new file mode 100755
index 00000000..b87bfd9e
--- /dev/null
+++ b/testdata/ci/changelog.sh
@@ -0,0 +1,3 @@
+#!/bin/bash
+
+echo "::set-output name=CHANGELOG::$(git log --pretty=format:'%s%n%b==============================================' --abbrev-commit $1..$2)"