build.yml

name: build

on:
  push:
    branches: ["*"]
  pull_request:
    branches: ["*"]
  workflow_dispatch:

permissions:
  contents: write
  pull-requests: write

jobs:
  build:
    runs-on: ubuntu-latest
    env:
      LSI: "true"
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0
      - uses: ruby/setup-ruby@v1
        with:
          ruby-version: "3.0"
      - uses: actions/setup-node@v4
        with:
          node-version: 20

      - name: Cache Ruby gems
        uses: actions/cache@v4
        env:
          CACHE_ID: 1
        with:
          path: |
            Gemfile.lock
            vendor/bundle
          key: ${{ runner.os }}-bundler-${{ env.CACHE_ID }}-${{ hashFiles('Gemfile') }}
          restore-keys: |
            ${{ runner.os }}-bundler-${{ env.CACHE_ID }}-
      - name: Cache Node modules
        uses: actions/cache@v4
        env:
          CACHE_ID: 1
        with:
          path: ~/.npm
          key: ${{ runner.os }}-npm-${{ env.CACHE_ID }}-${{ hashFiles('**/package-lock.json') }}
          restore-keys: |
            ${{ runner.os }}-npm-${{ env.CACHE_ID }}-

      - name: Install dependencies
        run: |
          bundle config set --local path vendor/bundle
          bundle config set without 'development'
          bundle install --jobs=4 --retry=3
          bundle clean
          npm install --include=dev

      - name: "Linting: autocorrect"
        continue-on-error: true
        run: |
          curl -fsSL https://raw.githubusercontent.com/huacnlee/autocorrect/main/install | sh
          autocorrect --fix

      - name: Prettier fix
        continue-on-error: true
        run: npm run fix

      - name: Determine if a PR should be submitted
        if: github.ref == 'refs/heads/master'
        id: file_changes
        run: |
          git add -A
          if git diff-index --quiet --cached HEAD --; then
            echo "should_submit=false" >> "$GITHUB_OUTPUT"
          else
            echo "should_submit=true" >> "$GITHUB_OUTPUT"
          fi

      - name: Submit PR from linting
        if: steps.file_changes.outputs.should_submit == 'true' && github.ref == 'refs/heads/master'
        uses: peter-evans/create-pull-request@v6
        with:
          commit-message: "Auto fix formatting from GitHub Actions run ${{ github.run_number }}"
          assignees: "${{ github.actor }}"
          branch: auto-fix-actions-${{ github.run_number }}
          delete-branch: true
          title: "Fix formatting from GitHub Actions run ${{ github.run_number }}"
          body: |
            Attempt to automatically fix formatting issues in ${{ github.sha }}.

            This PR is generated by GitHub Actions [run ${{ github.run_number }}](${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}). Please choose **Squash and Merge** for this PR.

      - name: Prepare build
        if: github.ref == 'refs/heads/master'
        run: |
          git clone --depth=1 --branch=gh-pages --single-branch --no-checkout \
            "https://${GITHUB_ACTOR}:${{ secrets.GITHUB_TOKEN }}@github.com/${GITHUB_REPOSITORY}.git" \
            _site
      - name: Run Jekyll Doctor
        run: |
          bundle exec jekyll doctor --trace --profile
        env:
          JEKYLL_GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

      - name: Build site
        run: |
          bundle exec jekyll build --trace --profile
          : > _site/.nojekyll
        env:
          JEKYLL_ENV: production
          JEKYLL_GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

      - name: Deploy to GitHub Pages
        if: github.ref == 'refs/heads/master'
        run: |
          CINFO="$(git log -1 --pretty="%an: [%h] %s")"
          pushd _site/ &>/dev/null
          echo -n lug.ustc.edu.cn > CNAME
          git add -A
          git -c user.name=GitHub -c user.email=noreply@github.com commit \
            -m "Auto deploy from GitHub Actions build ${GITHUB_RUN_NUMBER}" \
            -m "$CINFO"
          git push
          popd &>/dev/null

      - name: Update Algolia index
        if: github.ref == 'refs/heads/master'
        run: bundle exec jekyll algolia push
        env:
          ALGOLIA_API_KEY: ${{ secrets.ALGOLIA_API_KEY }}
          JEKYLL_GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        continue-on-error: true

      - name: Call webhook
        if: "github.repository == 'ustclug/website' && github.ref == 'refs/heads/master'"
        continue-on-error: true
        env:
          WEBHOOK_SECRET: ${{ secrets.WEBHOOK_SECRET }}
        run: ruby _scripts/webhook.rb