ruby.yml

name: Build and publish Ruby gem

on:
  push:
    tags:
      - 'v*'
  workflow_dispatch:

jobs:
  build:
    runs-on: ubuntu-20.04
    strategy:
      matrix:
        platform:
        - x86_64-linux
        - aarch64-linux
        - x86_64-darwin
        - arm64-darwin
        - x64-mingw-ucrt
    steps:
    - uses: actions/checkout@v3

    - name: Patches
      run: |
        # Name must match or else `RbSys::PackageNotFoundError: Could not find Cargo package metadata for nil. Please check that nil matches the crate name in your Cargo.toml.`
        # We edit it here instead of just updating our repo code as Cargo workspace names must be different.
        sed -i 's%^name = ".*$%name = "minify_html"%' ./minify-html-ruby/ext/minify_html/Cargo.toml

        # This is required or else `error: could not find `Cargo.toml` in `/home/runner/work/.../minify-html-ruby` or any parent directory`.
        cat <<'EOD'>./minify-html-ruby/Cargo.toml
        [workspace]
        members = ["ext/minify_html"]
        EOD

        cp ./README.md ./minify-html-ruby/.

    # https://github.com/oxidize-rb/actions/tree/main/cross-gem
    - name: Set up Ruby and Rust
      uses: oxidize-rb/actions/setup-ruby-and-rust@main
      with:
        ruby-version: "3.2"
        bundler-cache: false
        cargo-cache: true
        cargo-vendor: true
        cache-version: v0-${{ matrix.platform }}

    - name: Cross compile
      id: gem
      uses: oxidize-rb/actions/cross-gem@v1
      with:
        platform: ${{ matrix.platform }}
        ruby-versions: "2.7,3.0,3.1,3.2"
        working-directory: ./minify-html-ruby

    - uses: actions/upload-artifact@v4
      with:
        name: minify_html_${{ matrix.platform }}
        path: ${{ steps.gem.outputs.gem-path }}

  package:
    runs-on: ubuntu-20.04
    needs: build
    steps:
      - uses: actions/checkout@v1

      - name: Get version
        id: version
        shell: bash
        run: echo ::set-output name=VERSION::"$([[ "$GITHUB_REF" == refs/tags/v* ]] && echo ${GITHUB_REF#refs/tags/v} || echo '0.0.0')"

      - name: Set up Ruby
        uses: actions/setup-ruby@v1
        with:
          ruby-version: '2.5'

      - name: Download built libraries
        uses: actions/download-artifact@v4
        with:
          path: ./minify-html-ruby/pkg
          merge-multiple: true

      - name: Pack and publish gem
        working-directory: ./minify-html-ruby
        run: |
          mkdir -p "$HOME/.gem"
          cat << 'EOF' > "$HOME/.gem/credentials"
          ---
          :rubygems_api_key: ${{ secrets.RUBYGEMS_API_KEY }}
          EOF
          chmod 0600 "$HOME/.gem/credentials"
          if [[ "${{ steps.version.outputs.VERSION }}" != "0.0.0" ]]; then
            gem push pkg/*.gem
          else
            tree
          fi