use actions/deploy-pages

.github/workflows/github-pages.yml

@@ -4,31 +4,20 @@ on:
     branches: [master]
 jobs:
   main:
+    permissions:
+      pages: write
+      id-token: write
+    environment: github-pages
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
-      - name: git config
+      - uses: actions/setup-node@v2
-        run: |
+        with: { node-version: lts/*, cache: yarn }
-          git config user.name bot
+      - name: Build
-          git config user.email bot@example
-      - run: git subtree add -P build origin gh-pages
-      - id: yarn_cache
-        run: echo "::set-output name=dir::$(yarn cache dir)"
-      - uses: actions/cache@v3
-        with:
-          path: ${{ steps.yarn_cache.outputs.dir }}
-          key: yarn-${{ hashFiles('**/yarn.lock') }}
-          restore-keys: yarn-
-      - run: yarn
-      - name: build
         run: |
+          yarn install
           yarn build
-          touch build/.nojekyll
+      - uses: actions/upload-pages-artifact@v1
-      - id: git_status
+        with:
-        run: echo "::set-output name=mod::$(git status --porcelain)"
+          path: build
-      - name: deploy
+      - uses: actions/deploy-pages@v1
-        if: steps.git_status.outputs.mod != ''
-        run: |
-          git add -f build
-          git commit -m github-pages
-          git subtree push -P build origin gh-pages