From 86744b6b16d528d1c9e06599717bea312a9492f9 Mon Sep 17 00:00:00 2001
From: Alexander Samusev <41779041+alvicsam@users.noreply.github.com>
Date: Thu, 27 Oct 2022 10:54:07 +0200
Subject: [PATCH] [ci] cargo-check-benches against different base branches
 (#12557)

---
 substrate/scripts/ci/gitlab/pipeline/test.yml | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/substrate/scripts/ci/gitlab/pipeline/test.yml b/substrate/scripts/ci/gitlab/pipeline/test.yml
index b405cfa1eb..8baebb39be 100644
--- a/substrate/scripts/ci/gitlab/pipeline/test.yml
+++ b/substrate/scripts/ci/gitlab/pipeline/test.yml
@@ -68,10 +68,12 @@ cargo-check-benches:
     - !reference [.rusty-cachier, before_script]
     - !reference [.pipeline-stopper-vars, script]
     # merges in the master branch on PRs
+    - |
+      export BASE=$(curl -s -H "Authorization: Bearer ${GITHUB_PR_TOKEN}" https://api.github.com/repos/paritytech/substrate/pulls/${$CI_COMMIT_REF_NAME} | jq .base.ref)
     - if [ $CI_COMMIT_REF_NAME != "master" ]; then
-        git fetch origin +master:master;
+        git fetch origin +${BASE}:${BASE};
         git fetch origin +$CI_COMMIT_REF_NAME:$CI_COMMIT_REF_NAME;
-        git checkout master;
+        git checkout ${BASE};
         git config user.email "ci@gitlab.parity.io";
         git merge $CI_COMMIT_REF_NAME --verbose --no-edit;
       fi