name: Build and release

on:
  push:
    tags:
      - '**'

permissions:
  contents: read

jobs:
  test:
    name: Test (${{ matrix.os }})
    strategy:
      matrix:
        os:
          - ubuntu-24.04
          - macos-14
    runs-on: ${{ matrix.os }}
    steps:
      - name: Check out source
        uses: actions/checkout@v4

      - name: Run kernel correctness tests
        run: make test

  build:
    name: Build ${{ matrix.target }}
    strategy:
      fail-fast: false
      matrix:
        include:
          - target: linux-amd64
            os: ubuntu-24.04
          - target: linux-arm64
            os: ubuntu-24.04
          - target: macos-amd64
            os: macos-14
          - target: macos-arm64
            os: macos-14
    runs-on: ${{ matrix.os }}
    steps:
      - name: Check out source
        uses: actions/checkout@v4

      - name: Install the Linux ARM64 cross-compiler
        if: matrix.target == 'linux-arm64'
        run: |
          sudo apt-get update
          sudo apt-get install --yes gcc-aarch64-linux-gnu

      - name: Build
        run: make ${{ matrix.target }}

      - name: Package artifact
        run: tar -czf fossmark-${{ matrix.target }}.tar.gz -C dist fossmark-${{ matrix.target }}

      - name: Upload artifact
        uses: actions/upload-artifact@v4
        with:
          name: fossmark-${{ matrix.target }}
          path: fossmark-${{ matrix.target }}.tar.gz
          if-no-files-found: error

  release:
    name: Create GitHub release
    needs:
      - test
      - build
    runs-on: ubuntu-24.04
    permissions:
      contents: write
    steps:
      - name: Download build artifacts
        uses: actions/download-artifact@v4
        with:
          pattern: fossmark-*
          path: release
          merge-multiple: true

      - name: Create checksums
        working-directory: release
        run: sha256sum fossmark-*.tar.gz > SHA256SUMS

      - name: Create release and attach artifacts
        env:
          GH_TOKEN: ${{ github.token }}
          RELEASE_TAG: ${{ github.ref_name }}
        run: |
          gh release create "$RELEASE_TAG" \
            release/fossmark-*.tar.gz \
            release/SHA256SUMS \
            --repo "$GITHUB_REPOSITORY" \
            --title "Release $RELEASE_TAG" \
            --generate-notes