build.yml

name: Build new theme and push to `build` branch.

on:
  push:
    branches:
      - master
  # Enable manually running action if necessary.
  workflow_dispatch:

jobs:
  build:
    name: Build
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Install NodeJS
        uses: actions/setup-node@v4
        with:
          node-version-file: '.nvmrc'
          cache: 'npm'

      - name: Npm install and build
        run: |
          npm ci
          npm run build

      - name: Remove build artifacts
        run: |
          rm -rf node_modules

      - name: Ignore .gitignore
        run: |
          git add * --force

      - name: Commit and push
        # Using a specific hash here instead of a tagged version, for risk mitigation, since this action modifies our repo.
        uses: actions-js/push@a52398fac807b0c1e5f1492c969b477c8560a0ba # 1.3
        with:
          github_token: ${{ secrets.GITHUB_TOKEN }}
          branch: build
          force: true
          message: 'Build: ${{ github.sha }}'