[Test] Sync public suffix list automatically

diff --git a/.github/workflows/sync_public_suffix_list.yml b/.github/workflows/sync_public_suffix_list.yml
new file mode 100644 (file)
index 0000000..a1d46b1
--- /dev/null
+++ b/.github/workflows/sync_public_suffix_list.yml
@@ -0,0 +1,65 @@
+name: Sync Public Suffix List
+
+on:
+  schedule:
+    # Run on the first day of the month at 00:00 UTC
+    - cron: '0 0 1 * *'
+  workflow_dispatch:
+
+permissions:
+  contents: write
+  pull-requests: write
+
+jobs:
+  sync:
+    runs-on: ubuntu-24.04
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Install Perl dependencies
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y libnet-idn-encode-perl
+
+      - name: Download public suffix list
+        run: |
+          curl -sSL https://raw.githubusercontent.com/publicsuffix/list/master/public_suffix_list.dat -o /tmp/public_suffix_list.dat
+
+      - name: Process public suffix list
+        run: |
+          perl contrib/publicsuffix/idn.pl < /tmp/public_suffix_list.dat > contrib/publicsuffix/effective_tld_names.dat
+
+      - name: Check for changes
+        id: check_changes
+        run: |
+          if git diff --quiet contrib/publicsuffix/effective_tld_names.dat; then
+            echo "has_changes=false" >> $GITHUB_OUTPUT
+          else
+            echo "has_changes=true" >> $GITHUB_OUTPUT
+          fi
+
+      - name: Create Pull Request
+        if: steps.check_changes.outputs.has_changes == 'true'
+        run: |
+          git config user.name "github-actions[bot]"
+          git config user.email "github-actions[bot]@users.noreply.github.com"
+          
+          # Delete the branch if it exists (locally and remotely)
+          git branch -D sync-public-suffix-list 2>/dev/null || true
+          git push origin --delete sync-public-suffix-list 2>/dev/null || true
+          
+          # Create new branch and commit changes
+          git checkout -b sync-public-suffix-list
+          git add contrib/publicsuffix/effective_tld_names.dat
+          git commit -m "[Minor] Update public suffix list"
+          git push origin sync-public-suffix-list
+          
+          # Create PR
+          gh pr create \
+            --title "Update public suffix list" \
+            --body "This PR updates the public suffix list from https://github.com/publicsuffix/list. This is an automated update generated by the sync workflow." \
+            --base master \
+            --head sync-public-suffix-list
+        env:
+          GH_TOKEN: ${{ github.token }}