Publish leaderboard through gh-pages

Author: couragec

.github/workflows/leaderboard-pages.yml

@@ -1,4 +1,4 @@
-name: Deploy leaderboard
+name: Publish leaderboard branch
 
 "on":
   push:
@@ -10,32 +10,42 @@ name: Deploy leaderboard
   workflow_dispatch:
 
 permissions:
-  contents: read
-  pages: write
-  id-token: write
-
-concurrency:
-  group: pages
-  cancel-in-progress: false
+  contents: write
 
 jobs:
-  deploy:
-    environment:
-      name: github-pages
-      url: ${{ steps.deployment.outputs.page_url }}
+  publish:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
         uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
 
-      - name: Configure Pages
-        uses: actions/configure-pages@v5
+      - name: Publish leaderboard to gh-pages
+        shell: bash
+        run: |
+          set -euo pipefail
+          git config user.name "github-actions[bot]"
+          git config user.email "41898282+github-actions[bot]@users.noreply.github.com"
 
-      - name: Upload artifact
-        uses: actions/upload-pages-artifact@v3
-        with:
-          path: leaderboard
+          git fetch origin gh-pages --depth=1 || true
+          rm -rf /tmp/twinrouterbench-pages
+
+          if git rev-parse --verify origin/gh-pages >/dev/null 2>&1; then
+            git worktree add /tmp/twinrouterbench-pages origin/gh-pages
+          else
+            git worktree add --detach /tmp/twinrouterbench-pages
+            git -C /tmp/twinrouterbench-pages rm -r . >/dev/null 2>&1 || true
+          fi
+
+          rsync -a --delete --exclude ".git" leaderboard/ /tmp/twinrouterbench-pages/
+          cd /tmp/twinrouterbench-pages
+          git add -A
+
+          if git diff --cached --quiet; then
+            echo "No leaderboard changes to publish."
+            exit 0
+          fi
 
-      - name: Deploy to GitHub Pages
-        id: deployment
-        uses: actions/deploy-pages@v4
+          git commit -m "Deploy leaderboard"
+          git push origin HEAD:gh-pages