ci-build.yml

name: "CI: Build"
on:
  push:
    branches:
      - main
jobs:
  build:
    name: Build
    if: "!(contains(github.event.head_commit.message, '[skip_ci]'))"
    runs-on: ubuntu-latest
    strategy:
      matrix:
        node: [14]
    steps:
      - name: "[INIT] Checkout repository"
        uses: actions/checkout@v2
        with:
          fetch-depth: 0
      - name: "[INIT] Setup Node.js ${{ matrix.node }}"
        uses: actions/setup-node@v2
        with:
          node-version: ${{ matrix.node }}
      - name: "[INIT] Restore dependency cache"
        id: cache-restore
        uses: actions/cache@v2
        with:
          path: node_modules
          key: ${{ runner.os }}-node${{ matrix.node }}-${{ hashFiles('**/package-lock.json') }}
      - name: "[INIT] Install dependencies"
        if: ${{ !steps.cache-restore.outputs.cache-hit }}
        run: npm ci
      - name: "[EXEC] Build"
        run: npm run build
      - name: "[EXEC] Update build branch"
        run: |
          git pull || true
          git config --global user.name 'Kludge Cyber Systems (CI)'
          git config --global user.email contact@kludge-cs.co.uk
          mkdir $GITHUB_WORKSPACE/../transfer
          PACKAGE_VERSION=$(node -pe "require('./package.json').version")
          npm pack
          cp *.tgz $GITHUB_WORKSPACE/../transfer
          if [[ $(git checkout build) ]]; then
            echo -e "# Using existing build"
            git restore --staged . || true
          else
            echo -e "# Creating orphan build"
            git checkout --orphan build
            git rm --cached -r .
            git commit --allow-empty -m 'chore: initial commit' || true
          fi
          git clean -fdx && git reset --hard HEAD
          git rm -rf . && cp -r $GITHUB_WORKSPACE/../transfer/*.tgz ./
          tar -xf *.tgz && rm *.tgz
          mv ./package/* .
          rm -rf package
          git add .
          git commit -m "build: v${PACKAGE_VERSION}" || true
          git push --set-upstream origin build
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}