From 14394968052997fa99448077c65cc46cb1a3fd7e Mon Sep 17 00:00:00 2001
From: kruskall <99559985+kruskall@users.noreply.github.com>
Date: Wed, 11 Sep 2024 22:21:43 +0200
Subject: [PATCH] fix: always diff against the remote branch (#3064)

the check fails if we're targeting a branch that is not the default
branch.
Since we run git fetch before the diff, we know for a fact that
the remote branch exist so just specify the remote and use the
remote branch in the diff.
---
 .buildkite/scripts/build_pr.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.buildkite/scripts/build_pr.sh b/.buildkite/scripts/build_pr.sh
index 294060c22689..d1854c0ad122 100755
--- a/.buildkite/scripts/build_pr.sh
+++ b/.buildkite/scripts/build_pr.sh
@@ -56,7 +56,7 @@ if [[ "${GITHUB_PR_BASE_REPO}" != 'docs' ]]; then
 
   if [[ "${GITHUB_PR_BASE_REPO}" == 'apm-agent-go' ]]; then
     git fetch origin "$GITHUB_PR_TARGET_BRANCH"
-    docs_diff=$(git diff --stat "$GITHUB_PR_TARGET_BRANCH"...HEAD -- ./docs CHANGELOG.asciidoc)
+    docs_diff=$(git diff --stat "origin/$GITHUB_PR_TARGET_BRANCH"...HEAD -- ./docs CHANGELOG.asciidoc)
   else
     docs_diff="always build"
   fi