clean up branches workflow

Author: myin-itex

.github/workflows/commit-review-cleanup.yml

@@ -0,0 +1,21 @@
+name: Commit Review Cleanup
+
+on:
+  pull_request_review:
+    branches: "commit-review-**"
+
+jobs:
+  cleanup:
+    runs-on: ubuntu-latest
+    steps:
+      - run: |
+          PR_URL="/repos/${{ github.repository }}/pulls/${{ github.event.pull_request.number }}"
+          REMAINING=$(gh api $PR_URL/requested_reviewers | jq 'length')
+
+          if $REMAINING -eq 0; then
+            BRANCHES=$(gh api --method PATCH $PR_URL -f state='closed' | jq '.base.ref,.head.ref')
+
+            for BRANCH in ${BRANCHES[@]}; do
+              git push origin --delete $BRANCH
+            done
+          fi

.github/workflows/commit-review.yml

@@ -6,7 +6,6 @@ on:
       - main
 
 env:
-  REMOTE: origin
   GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 
 jobs:
@@ -93,6 +92,8 @@ jobs:
   pull_request:
     runs-on: ubuntu-latest
     needs: check
+    env:
+      REMOTE: origin
     steps:
       - uses: actions/checkout@v3
         with: