From 0deec7822517a703ca965d17f433bdaa5ac8ea07 Mon Sep 17 00:00:00 2001
From: jnsbck-uni <jonas.beck@uni-tuebingen.de>
Date: Thu, 21 Nov 2024 21:16:23 +0100
Subject: [PATCH] fix: use head_ref instead of head_sha

---
 .github/workflows/update_regression_baseline.yml | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/update_regression_baseline.yml b/.github/workflows/update_regression_baseline.yml
index 75b6f1e4..aa16af69 100644
--- a/.github/workflows/update_regression_baseline.yml
+++ b/.github/workflows/update_regression_baseline.yml
@@ -25,7 +25,7 @@ jobs:
     - name: Checkout PR branch
       uses: actions/checkout@v3
       with:
-        ref: ${{ steps.comment-branch.outputs.head_sha }}
+        ref: ${{ steps.comment-branch.outputs.head_ref }} # using head_sha vs. head_ref makes this work for forks
         lfs: true
         fetch-depth: 0 # This ensures we can checkout main branch too
     
@@ -51,4 +51,4 @@ jobs:
       run: |
         git add tests/regression_test_baselines.json
         git commit -m "Update regression test baselines"
-        git push origin HEAD:${{ steps.comment-branch.outputs.head_sha }}
\ No newline at end of file
+        git push origin HEAD:${{ steps.comment-branch.outputs.head_ref }}
\ No newline at end of file