From 7bf7616490ce6fdec4ca343225dd59534d9b73a7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Pablo=20Correa=20G=C3=B3mez?=
 <pabloyoyoista@postmarketos.org>
Date: Thu, 25 Sep 2025 10:11:09 +0200
Subject: [PATCH] ci: common: don't run git if we can just get the base sha
 from gitlab

Part-of: <https://gitlab.postmarketos.org/postmarketOS/pmaports/-/merge_requests/7078>
---
 .ci/lib/common.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/.ci/lib/common.py b/.ci/lib/common.py
index 4467ef9bd..0f008de5c 100755
--- a/.ci/lib/common.py
+++ b/.ci/lib/common.py
@@ -98,6 +98,10 @@ def get_base_commit() -> str:
     """Get the base commit that can be compared with HEAD to get all commits in the
     given branch/merge request."""
 
+    commit = os.getenv("CI_MERGE_REQUEST_DIFF_BASE_SHA")
+    if commit is not None:
+        return commit
+
     branch_upstream = f"upstream/{get_upstream_branch()}"
     commit_head = run_git(["rev-parse", "HEAD"])[:-1]
     commit_upstream = run_git(["rev-parse", branch_upstream])[:-1]