name: CI

on: [push, pull_request]

jobs:
  build_css:
    runs-on: ubuntu-latest
    if: "!contains(github.event.head_commit.message, 'NO_CI')"
    steps:
    - uses: actions/checkout@v2
    - name: Setup Node
      uses: actions/setup-node@v1
      with:
        node-version: '12.x'
    - name: Cache dependencies
      id: npm-cache
      run: |
        echo "::set-output name=dir::$(npm config get cache)"
    - uses: actions/cache@v2
      with:
        path: ${{ steps.npm-cache.outputs.dir }}
        key: ${{ runner.os }}-node-${{ hashFiles('**/package-lock.json') }}
        restore-keys: ${{ runner.os }}-node
    - name: Install dependencies
      run: npm ci
    - name: Compile CSS
      run: npm run scss --style=compressed styles.scss
    - name: Check for modified files
      id: git-check
      run: echo ::set-output name=modified::$(if git diff-index --quiet HEAD -- *.{scss,css}; then echo "false"; else echo "true"; fi)
    - name: Push changes
      if: steps.git-check.outputs.modified == 'true'
      run: |
        git config --global user.name 'Build Bot'
        git config --global user.email 'build.bot@jingga.app'
        git remote set-url origin https://x-access-token:${{ secrets.GITHUB_TOKEN }}@github.com/${{ github.repository }}
        git add *.css
        git commit -m "Automatic css build" || true
        git push || true