Update stale-bot.yml

Author: Yamini-Microsoft

.github/workflows/stale-bot.yml

@@ -1,7 +1,9 @@
-name: 'Close stale issues and PRs'
+name: "Manage Stale Issues, PRs & Unmerged Branches"
+
 on:
   schedule:
-    - cron: '30 1 * * *'
+    - cron: '30 1 * * *'  # Runs daily at 1:30 AM UTC
+  workflow_dispatch:  # Allows manual triggering
 
 permissions:
   contents: write
@@ -12,8 +14,44 @@ jobs:
   stale:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/stale@v9
+      - name: Mark Stale Issues and PRs
+        uses: actions/stale@v9
         with:
-          stale-issue-message: 'This issue is stale because it has been open 180 days with no activity. Remove stale label or comment or this will be closed in 30 days.'
+          stale-issue-message: "This issue is stale because it has been open 180 days with no activity. Remove stale label or comment, or it will be closed in 30 days."
+          stale-pr-message: "This PR is stale because it has been open 180 days with no activity. Please update or it will be closed in 30 days."
           days-before-stale: 180
           days-before-close: 30
+          exempt-issue-labels: "keep"
+          exempt-pr-labels: "keep"
+
+  cleanup-branches:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout Repository
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0  # Fetch full history for accurate branch checks
+
+      - name: Fetch All Branches
+        run: git fetch --all --prune
+
+      - name: Delete Merged Branches With No Activity in Last 3 Months
+        run: |
+          echo "Checking merged branches with no activity in the last 3 months..."
+          for branch in $(git for-each-ref --format '%(refname:short) %(committerdate:unix)' refs/remotes/origin | awk -v date=$(date -d '3 months ago' +%s) '$2 < date {print $1}'); do
+            if [[ "$branch" != "origin/main" && "$branch" != "origin/dev" ]]; then
+              branch_name=${branch#origin/}
+              echo "Deleting inactive merged branch: $branch_name"
+              git push origin --delete "$branch_name"
+            fi
+          done
+
+      - name: Delete PR Approved and Merged Branches Older Than 30 Days
+        run: |
+          echo "Checking branches with PRs approved and merged into main or dev for 30+ days..."
+          for branch in $(gh api repos/${{ github.repository }}/pulls --jq '.[] | select(.merged_at != null and (.base.ref == "main" or .base.ref == "dev")) | select(.merged_at | fromdateiso8601 < (now - 2592000)) | .head.ref'); do
+            echo "Deleting merged PR branch: $branch"
+            git push origin --delete "$branch"
+          done
+        env:
+          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}