Test i18n PR automation

.github/workflows/i18n-automerge.yml

@@ -0,0 +1,38 @@
+name: i18n PR auto-merge
+
+on:
+  pull_request:
+    types: [opened, synchronize, reopened, labeled]
+
+jobs:
+  run-and-merge:
+    if: contains(github.event.pull_request.labels.*.name, 'i18n') &&
+      github.event.pull_request.base.ref == 'main' &&
+      github.event.pull_request.head.ref == 'l10n_main'
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+
+      - name: Count lines changed
+        run: |
+          # Calculate the total number of lines changed (added, removed, or modified)
+          LINES_CHANGED=$(git diff --shortstat ${{ github.event.pull_request.base.sha }} ${{ github.event.pull_request.head.sha }} | awk '{print $4 + $6 + $8}')
+          echo "Total lines changed: $LINES_CHANGED"
+
+          # Check if the number of lines changed is more than 20
+          if [ "$LINES_CHANGED" -le 20 ]; then
+            echo "ERROR: 20 or fewer lines have been changed. Failing the check."
+            exit 1
+          else
+            echo "Success: More than 20 lines have been changed."
+          fi
+
+      - name: Merge pull request
+        if: ${{ success() }}
+        run: |
+          PR_NUMBER=$(echo ${{ github.event.pull_request.number }})
+          gh pr merge $PR_NUMBER --auto --squash
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}