name: "CI"

on:
  pull_request:
  push:
    branches:
      # NOTE: make sure any branches here are also valid directory names,
      # otherwise creating the directory and uploading to s3 will fail
      - detsys-main
      - main
      - master
  merge_group:
  release:
    types:
      - published

permissions:
  id-token: "write"
  contents: "read"
  pull-requests: "write"
  statuses: "write"
  deployments: "write"

jobs:
  eval:
    runs-on: UbuntuLatest32Cores128G
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0
      - uses: DeterminateSystems/determinate-nix-action@main
      - run: nix flake show --all-systems --json

  build_x86_64-linux:
    uses: ./.github/workflows/build.yml
    with:
      system: x86_64-linux
      runner: namespace-profile-linuxamd32c64g-cache
      runner_for_virt: UbuntuLatest32Cores128G
      runner_small: ubuntu-latest
      run_tests: true
      run_vm_tests: true
      run_regression_tests: true
      publish_manual: true
    secrets:
      manual_netlify_auth_token: ${{ secrets.NETLIFY_AUTH_TOKEN }}
      manual_netlify_site_id: ${{ secrets.NETLIFY_SITE_ID }}

  build_aarch64-linux:
    uses: ./.github/workflows/build.yml
    with:
      if: ${{ github.event_name != 'pull_request' }}
      system: aarch64-linux
      runner: UbuntuLatest32Cores128GArm
      runner_for_virt: UbuntuLatest32Cores128GArm
      runner_small: UbuntuLatest32Cores128GArm

  build_x86_64-darwin:
    uses: ./.github/workflows/build.yml
    with:
      if: ${{ github.event_name != 'pull_request' }}
      system: x86_64-darwin
      runner: macos-latest-large
      runner_for_virt: macos-latest-large
      runner_small: macos-latest-large
      run_tests: false

  build_aarch64-darwin:
    uses: ./.github/workflows/build.yml
    with:
      system: aarch64-darwin
      runner: namespace-profile-mac-m2-12c28g
      runner_for_virt: namespace-profile-mac-m2-12c28g
      runner_small: macos-latest-xlarge

  success:
    runs-on: ubuntu-latest
    needs:
      - eval
      - build_x86_64-linux
      - build_aarch64-linux
      - build_x86_64-darwin
      - build_aarch64-darwin
    if: ${{ always() }}
    steps:
      - run: "true"
      - run: |
          echo "A dependent in the build matrix failed:"
          echo "$needs"
          exit 1
        env:
          needs: ${{ toJSON(needs) }}
        if: |
          contains(needs.*.result, 'failure') ||
          contains(needs.*.result, 'cancelled')

      - uses: actions/checkout@v4
      - uses: DeterminateSystems/determinate-nix-action@main

      - name: Create artifacts directory
        run: mkdir -p ./artifacts

      - name: Fetch artifacts
        uses: actions/download-artifact@v4
        with:
          path: downloaded
      - name: Move downloaded artifacts to artifacts directory
        run: |
          for dir in ./downloaded/*; do
            arch="$(basename "$dir")"
            mv "$dir"/*.xz ./artifacts/"${arch}"
          done

      - name: Build fallback-paths.nix
        if: ${{ github.event_name != 'pull_request' }}
        run: |
          nix build .#fallbackPathsNix --out-link fallback
          cat fallback > ./artifacts/fallback-paths.nix

      - uses: DeterminateSystems/push-artifact-ids@main
        with:
          s3_upload_role: ${{ secrets.AWS_S3_UPLOAD_ROLE_ARN }}
          bucket: ${{ secrets.AWS_S3_UPLOAD_BUCKET_NAME }}
          directory: ./artifacts
          ids_project_name: determinate-nix
          ids_binary_prefix: determinate-nix
          skip_acl: true
          allowed_branches: '["detsys-main"]'

  publish:
    needs:
      - success
    if: (!github.repository.fork && (github.ref == format('refs/heads/{0}', github.event.repository.default_branch) || startsWith(github.ref, 'refs/tags/')))
    environment: ${{ github.event_name == 'release' && 'production' || '' }}
    runs-on: ubuntu-latest
    permissions:
      contents: read
      id-token: write
    steps:
      - uses: actions/checkout@v4
      - uses: DeterminateSystems/determinate-nix-action@main
      - uses: DeterminateSystems/flakehub-push@main
        with:
          rolling: ${{ github.ref == format('refs/heads/{0}', github.event.repository.default_branch) }}
          visibility: "public"
          tag: "${{ github.ref_name }}"