checkout the PR merge commit ref

on.pull_request_target uses main by default here, different from on.pull_request which uses the PR ref see actions/checkout#518 (comment)
interoperable-mobility · Mar 17, 2022 · 869399d · 869399d
1 parent 9a59416
commit 869399d
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/.github/workflows/mkdocs-pr-preview.yml b/.github/workflows/mkdocs-pr-preview.yml
@@ -14,6 +14,8 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v3
+        with:
+          ref: "refs/pull/${{ github.event.number }}/merge"
 
       - name: Setup Python
         uses: actions/setup-python@v2