Use JamesIves/github-pages-deploy-action

.github/workflows/deploy.yml

@@ -10,6 +10,13 @@ on:
       - master
       - main
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+permissions:
+  contents: write
+
 jobs:
   deploy:
     runs-on: ubuntu-latest
@@ -21,23 +28,18 @@ jobs:
       with:
         ruby-version: '3.3.5'
         bundler-cache: true
-    - name: Install deps
+    - name: Install dependencies and build
       run: |
         npm install -g @mermaid-js/mermaid-cli
         sudo apt-get update && sudo apt-get install -y imagemagick
-    - name: Setup deploy options
-      id: setup
+        export JEKYLL_ENV=production
+        bundle exec jekyll build
+    - name: Purge unused CSS
       run: |
-        git config --global user.name "GitHub Action"
-        git config --global user.email "41898282+github-actions[bot]@users.noreply.github.com"
-        if [[ ${GITHUB_REF} = refs/pull/*/merge ]]; then # pull request
-          echo "::set-output name=SRC_BRANCH::${GITHUB_HEAD_REF}"
-          echo "::set-output name=NO_PUSH::--no-push"
-        elif [[ ${GITHUB_REF} = refs/heads/* ]]; then # branch, e.g. master, source etc
-          echo "::set-output name=SRC_BRANCH::${GITHUB_REF#refs/heads/}"
-        fi
-        echo "::set-output name=DEPLOY_BRANCH::gh-pages"
-    - name: Deploy website
-      run:  yes | bash bin/deploy --verbose ${{ steps.setup.outputs.NO_PUSH }}
-                    --src ${{ steps.setup.outputs.SRC_BRANCH }}
-                    --deploy ${{ steps.setup.outputs.DEPLOY_BRANCH }}
+        npm install -g purgecss
+        purgecss -c purgecss.config.js
+    - name: Deploy
+      if: github.event_name != 'pull_request'
+      uses: JamesIves/github-pages-deploy-action@v4
+      with:
+        folder: _site