generate-ruby.yml

name: Generate Ruby

on:
  workflow_call: null
  workflow_run:
    workflows: ["Build"]
    types:
      - completed
  push:
    branches:
      - main
      - release-*
    paths:
      - ".github/workflows/generate-ruby.yml"
  pull_request:

permissions:
  contents: write

concurrency:
  group: ${{ github.workflow }}-${{ github.head_ref || github.ref }}
  cancel-in-progress: true

jobs:
  generate:
    runs-on: ubuntu-latest
    timeout-minutes: 20
    strategy:
      fail-fast: false
      matrix:
        ruby-version: [
          2.6.0, 2.6.1, 2.6.2, 2.6.3, 2.6.4, 2.6.5, 2.6.6, 2.6.7, 2.6.8, 2.6.9, 2.6.10,
          2.7.0, 2.7.1, 2.7.2, 2.7.3, 2.7.4, 2.7.5, 2.7.6, 2.7.7, 2.7.8,
          3.0.0, 3.0.1, 3.0.2, 3.0.3, 3.0.4, 3.0.5, 3.0.6,
          3.1.0, 3.1.1, 3.1.2, 3.1.3, 3.1.4,
          3.2.0, 3.2.1, 3.2.2, 3.2.3, 3.3.0
        ]
    steps:
      - name: Check out the code
        uses: actions/checkout@v4.1.1

      - name: Install devbox
        uses: jetpack-io/devbox-install-action@v0.8.0
        with:
          enable-cache: true

      - name: Setup devbox
        run: devbox run -- echo "done!"

      - name: Load devbox shellenv
        uses: HatsuneMiku3939/direnv-action@v1
        with:
          direnvVersion: 2.32.3

      - name: Set up Go tool cache
        uses: actions/cache@v4.0.0
        with:
          path: ~/.devbox/go
          key: devbox-go-tools.cache-${{ runner.os }}-${{ runner.arch }}

      - name: Build
        run: make build

      - name: Set up container image for generate
        uses: ScribeMD/docker-cache@0.3.7
        with:
          key: docker-ruby-${{ runner.os }}-${{ runner.arch }}

      - name: Set up Layout cache for generated files
        uses: actions/cache@v4.0.0
        with:
          path: offsets-ruby
          key: ruby-generated-${{ runner.os }}-${{ runner.arch }}
          restore-keys: |
            ruby-generated-${{ runner.os }}-${{ runner.arch }}-${{ matrix.ruby-version }}
            ruby-generated-${{ runner.os }}-${{ runner.arch }}

      - name: Generate Ruby Offsets for ${{ matrix.ruby-version }}
        run: |
          if ! ls "${PWD}"/ruby-binaries/${{ matrix.ruby-version }}/libruby.so.${{ matrix.ruby-version }} 1>/dev/null 2>&1; then
            mkdir -p "${PWD}"/ruby-binaries/${{ matrix.ruby-version }}
            docker run --rm -v "${PWD}"/ruby-binaries/${{ matrix.ruby-version }}:/tmp -w /tmp docker.io/library/ruby:${{ matrix.ruby-version }}-slim bash -c 'cp /usr/local/lib/libruby.so.${{ matrix.ruby-version }} /tmp'
          fi

          mkdir -p offsets-ruby
          ./structlayout -r ruby -v ${{ matrix.ruby-version }} -o offsets-ruby ruby-binaries/${{ matrix.ruby-version }}/libruby.so.${{ matrix.ruby-version }}

          git add offsets-ruby

          cp $(git diff --name-only --staged | xargs) offsets-ruby || echo "No new or modified files - offsets are up to date"

      - name: Upload Offsets
        uses: actions/upload-artifact@v4
        with:
          if-no-files-found: ignore
          name: ruby-${{ matrix.ruby-version }}
          path: offsets-ruby
          retention-days: 1

  merge-and-create-branch:
    runs-on: ubuntu-latest
    needs: generate
    steps:
      - name: Check out the code
        uses: actions/checkout@v4.1.1

      - name: Install devbox
        uses: jetpack-io/devbox-install-action@v0.8.0
        with:
          enable-cache: true

      - name: Setup devbox
        run: devbox run -- echo "done!"

      - name: Load devbox shellenv
        uses: HatsuneMiku3939/direnv-action@v1
        with:
          direnvVersion: 2.32.3

      - name: Set up Go tool cache
        uses: actions/cache@v4.0.0
        with:
          path: ~/.devbox/go
          key: devbox-go-tools.cache-${{ runner.os }}-${{ runner.arch }}

      - name: Build
        run: make build

      - name: Download all artifacts
        uses: actions/download-artifact@v4
        with:
          path: offsets-ruby
          merge-multiple: true

      - name: Print the layout files
        run:  tree offsets-ruby

      - name: Merge the layout files
        run: |
          ./mergelayout -o pkg/ruby/layout offsets-ruby/layout/ruby_*.yaml

      # If there are no changes (i.e. no diff exists with the checked-out base branch),
      # no pull request will be created and the action exits silently.
      - name: Create a pull-request
        uses: peter-evans/create-pull-request@v6
        if: github.event_name != 'pull_request'
        with:
          token: ${{ secrets.GITHUB_TOKEN }}
          commit-message: "chore: update ruby layouts"
          title: "chore: Update Ruby layouts"
          branch: update-ruby-offsets-${{ github.run_number }}
          add-paths: pkg/ruby/layout
          base: main
          labels: chore
          draft: false
          delete-branch: true