Zeit's now preview and prod deploy Actions Workflow – emulates how Zeit's Now GitHub integration works, but is even better because it forces a rebuild even if the source code hasn't changed

now.yml

name: now
on:
  push:

jobs:
  deploy-prod:
    name: Deploy prod
    runs-on: ubuntu-latest
    if: github.ref == 'refs/heads/master'
    steps:
      - name: Installing node
        uses: actions/setup-node@v1
        with:
          node-version: 10.x
          # Use the same node.js version as the one Zeit's uses (currently node10.x)
      - name: Checking out the code
        uses: actions/checkout@v1
      - name: Deploying now
        run: now -C -f --prod --token "$ZEIT_TOKEN"
        env:
          ZEIT_TOKEN: ${{ secrets.ZEIT_TOKEN }}

  deploy:
    name: Deploy preview
    runs-on: ubuntu-latest
    if: github.ref != 'refs/heads/master'
    steps:
      - name: Installing node
        uses: actions/setup-node@v1
        with:
          node-version: 10.x
          # Use the same node.js version as the one Zeit's uses (currently node10.x)
      - name: Checking out the code
        uses: actions/checkout@v1
      - name: Detect metadata
        run: |
          IFS='/' read -ra ref_parts <<< "${GITHUB_REF}"
          branch_parts=`echo "${ref_parts[@]:2}"`
          branch=`echo "${branch_parts// /-}" | tr '[:upper:]' '[:lower:]'`
          echo "branch: ${branch}"

          u=`now whoami --token "${ZEIT_TOKEN}" | perl -pe 'chomp'`
          echo "now user: ${u}"

          project=`cat now.json | jq -r .name | tr -d '.' | perl -pe 'chomp'`
          echo "now project: ${project}"

          scope=`cat now.json | jq -r .scope | tr -d '.' | perl -pe 'chomp'`

          if [[ -n "${scope}" ]]; then
            echo "now scope: ${scope}"
            echo "https://${project}-git-${branch}.${scope}.now.sh" > /tmp/preview_url.txt
          else
            echo "https://${project}-git-${branch}.${u}.now.sh" > /tmp/preview_url.txt
          fi

          cat /tmp/preview_url.txt
        env:
          ZEIT_TOKEN: ${{ secrets.ZEIT_TOKEN }}
      - name: Deploying now
        run: |
          now -C -f -b PREVIEW_URL=`cat /tmp/preview_url.txt` --token "$ZEIT_TOKEN" > /tmp/deployment.txt
          cat /tmp/deployment.txt
        env:
          ZEIT_TOKEN: ${{ secrets.ZEIT_TOKEN }}
      - name: Aliasing deployment
        run: |
          deployment=`cat /tmp/deployment.txt`
          preview_url=`cat /tmp/preview_url.txt`

          now alias set "${deployment}" "${preview_url}" --token "${ZEIT_TOKEN}"

          echo "deployment: ${deployment}"
          echo "preview_url: ${preview_url}"
        env:
          ZEIT_TOKEN: ${{ secrets.ZEIT_TOKEN }}