Fetch the base branch and diff correctly

- See: actions/checkout#160
cyqsimon · Nov 3, 2023 · 5a92cfd · 5a92cfd
1 parent 66cf17a
commit 5a92cfd
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/.github/workflows/require-changelog-for-PRs.yml b/.github/workflows/require-changelog-for-PRs.yml
@@ -11,10 +11,10 @@ jobs:
       PR_SUBMITTER: ${{ github.actor }}
       PR_NUMBER: ${{ github.event.number }}
       PR_BASE: ${{ github.base_ref }}
-      PR_HEAD: ${{ github.head_ref }}
     steps:
       - uses: actions/checkout@v4
       - name: Search for added line in changelog
         run: |
-          ADDED=$(git diff -U0 ${PR_BASE}..${PR_HEAD} -- CHANGELOG.md | grep -P '^\+[^\+].+$')
+          git fetch --no-tags --prune --depth=1 origin
+          ADDED=$(git diff -U0 "origin/${PR_BASE}" HEAD -- CHANGELOG.md | grep -P '^\+[^\+].+$')
           grep "#${PR_NUMBER}\\b.*@{PR_SUBMITTER}\\b" <<< "$ADDED"