name: Build files and push to `build` branch.

on:
    push:
        branches:
            - production
        paths:
            - themes/**
            - plugins/**
    # Enable manually running action if necessary.
    workflow_dispatch:

jobs:
    build:
        runs-on: ubuntu-latest
        steps:
            - name: Checkout repository
              uses: actions/checkout@c85c95e3d7251135ab7dc9ce3241c5835cc595a9 # v3.5.3

            # Required for old theme build step.
            - name: Checkout wporg CSS
              run: |
                svn export https://meta.svn.wordpress.org/sites/trunk/wordpress.org/public_html/wp-content/themes/pub/wporg/css themes/pub/wporg/css --quiet

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

            - name: Remove build artifacts
              run: |
                  rm -rf themes/wporg-5ftf/node_modules themes/wporg-5ftf-2024/node_modules plugins/wporg-5ftf/node_modules

            - name: Ignore .gitignore
              run: |
                  git add themes/wporg-5ftf/* --force
                  git add themes/wporg-5ftf-2024/* --force
                  git add plugins/wporg-5ftf/* --force

            - name: Append build number to version
              run: |
                current_version=$(grep -oP 'Version: \K[0-9]+\.[0-9]+\.[0-9]+' themes/wporg-5ftf-2024/style.css)
                new_version="${current_version}-${GITHUB_SHA::7}"
                sed -i "s/Version: $current_version/Version: $new_version/" themes/wporg-5ftf-2024/style.css
                sed -i "s/\"version\": \"0.1.0\"/\"version\": \"$new_version\"/" themes/wporg-5ftf-2024/build/**/block.json
                
            - 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 }}'