chore(ci): tweak script (#11289)

* chore(ci): tweak script

* test

* Update release.yml

* Revert "test"

This reverts commit e8c165a.

Author: ThangHuuVu

.github/workflows/release.yml

@@ -93,10 +93,13 @@ jobs:
       - name: Peek
         run: pnpm peek
         if: ${{ github.repository == 'nextauthjs/next-auth' && github.event_name == 'push' && github.ref == 'refs/heads/main' }}
+      - name: Get base commit SHA from main
+        id: get_base_sha
+        run: echo "BASE_SHA=$(git merge-base origin/main HEAD)" >> $GITHUB_ENV
       - name: Check for changes under /packages
         id: check-packages
         run: |
-          if git diff --name-only ${{ github.event.before }} ${{ github.sha }} | grep '^packages/'; then
+          if git diff --name-only ${{ env.BASE_SHA }}...HEAD | grep '^packages/'; then
             echo "PACKAGES_CHANGES=true" >> $GITHUB_ENV
           else
             echo "PACKAGES_CHANGES=false" >> $GITHUB_ENV