build.yml

name: Build and push to build branch.

on:
    push:
        branches: [trunk]

jobs:
    build:
        runs-on: ubuntu-latest
        steps:
            - name: Checkout repository
              uses: actions/checkout@ec3a7ce113134d7a93b817d10a8272cb61118579 # v2.4.0

            - name: Setup
              uses: WordPress/wporg-repo-tools/.github/actions/setup@trunk
              with:
                token: ${{ secrets.GITHUB_TOKEN }}

            - name: Trim the repo down to just the theme
              run: |
                  rm -rf source/wp-content/themes/wporg-parent-2021/node_modules
                  mv source/wp-content/themes/wporg-parent-2021 $RUNNER_TEMP
                  git rm -rfq .
                  rm -rf *
                  mv $RUNNER_TEMP/wporg-parent-2021/* .

            # Add a composer.json so we can set the type to `wordpress-theme`.
            - name: Create the composer.json
              run: |
                  echo "{\"name\": \"wporg/wporg-parent-2021\",\"type\": \"wordpress-theme\"}" > composer.json

            - name: Add all the theme files
              run: |
                  git add * --force

            - name: Append build number to version
              run: |
                current_version=$(grep -oP 'Version: \K[0-9]+\.[0-9]+\.[0-9]+' style.css)
                new_version="${current_version}-${GITHUB_SHA::7}"
                sed -i "s/Version: $current_version/Version: $new_version/" style.css

            - name: Commit and push
              uses: actions-js/push@a52398fac807b0c1e5f1492c969b477c8560a0ba # 1.3
              with:
                  github_token: ${{ secrets.GITHUB_TOKEN }}
                  branch: build
                  force: true
                  message: 'Build: ${{ github.sha }}'