allwpilib/.github/workflows/bazel.yml

name: Bazel

on: [pull_request, push]

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

jobs:
  build-windows:
    strategy:
      fail-fast: false
      matrix:
        include:
          - { name: "Windows (native)",             os: windows-2022, action: "test",  config: "--config=ci_windows_x86",     }
          - { name: "Windows (arm)",                os: windows-2022, action: "build", config: "--config=windows_arm --config=ci_windows_arm", }

    name: "Build ${{ matrix.name }}"
    runs-on: ${{ matrix.os }}
    steps:
      - uses: actions/checkout@v4
        with: { fetch-depth: 0 }
      - uses: actions/setup-java@v4
        with:
          distribution: 'temurin'
          java-version: 21
          architecture: x64

      - id: Setup_bazel_remote
        uses: ./.github/actions/setup-bazel-remote
        with:
          username: ${{ secrets.BAZEL_CACHE_USERNAME }}
          password: ${{ secrets.BAZEL_CACHE_PASSWORD }}

      - name: bazel ${{ matrix.action }}
        run: bazel --output_user_root=C:\\bazelroot ${{ matrix.action }} ... --config=ci ${{ matrix.config }}
        shell: bash

  build-mac:
    name: "Mac"
    runs-on: macOS-15
    steps:
      - uses: actions/checkout@v4
        with: { fetch-depth: 0 }

      - uses: actions/setup-java@v4
        with:
          distribution: 'temurin'
          java-version: 21

      - id: Setup_bazel_remote
        uses: ./.github/actions/setup-bazel-remote
        with:
          username: ${{ secrets.BAZEL_CACHE_USERNAME }}
          password: ${{ secrets.BAZEL_CACHE_PASSWORD }}

      - name: bazel test (release)
        run: bazel test ...   --config=ci -c opt --nojava_header_compilation
        shell: bash

  build-linux:
    strategy:
      fail-fast: false
      matrix:
        include:
          - { name: "Linux",      os: ubuntu-24.04,   container: "wpilib/systemcore-cross-ubuntu:2027-24.04", action: "test",   config: "",    }
    name: "${{ matrix.name }}"
    runs-on: ${{ matrix.os }}
    container: ${{ matrix.container }}
    steps:
      - uses: actions/checkout@v4
        with: { fetch-depth: 0 }
      - uses: bazelbuild/setup-bazelisk@v3

      - id: Setup_bazel_remote
        uses: ./.github/actions/setup-bazel-remote
        with:
          username: ${{ secrets.BAZEL_CACHE_USERNAME }}
          password: ${{ secrets.BAZEL_CACHE_PASSWORD }}

      - uses: bazel-contrib/setup-bazel@0.15.0
        with:
          bazelisk-cache: true
          repository-cache: true
          bazelisk-version: 1.x

      - name: bazel ${{ matrix.action }} (release)
        run: bazel ${{ matrix.action }} ... --config=ci -c opt ${{ matrix.config }}

  buildifier:
    name: "buildifier"
    runs-on: ubuntu-24.04
    steps:
      - name: Set up Go 1.15.x
        uses: actions/setup-go@v5
        with:
          cache: false
          go-version: 1.15.x
        id: go

      - name: Install Buildifier
        run: |
          cd $(mktemp -d)
          GO111MODULE=on go get github.com/bazelbuild/buildtools/buildifier@6.0.0

      - uses: actions/checkout@v4
        with: { fetch-depth: 0 }

      - name: Run buildifier
        run: buildifier -warnings all --lint=fix -r .

      - name: Check Output
        run: git --no-pager diff --exit-code HEAD

      - name: Generate diff
        run: git diff HEAD > bazel-lint-fixes.patch
        if: ${{ failure() }}

      - uses: actions/upload-artifact@v4
        with:
          name: ${{ matrix.platform }}-bazel-lint-fixes
          path: bazel-lint-fixes.patch
        if: ${{ failure() }}

  robotpy_pregeneration:
    name: "Robotpy Pregeneration"
    runs-on: ubuntu-24.04
    steps:
      - uses: actions/checkout@v4
        with: { fetch-depth: 0 }

      - id: Setup_build_buddy
        uses: ./.github/actions/setup-build-buddy
        with:
          token: ${{ secrets.BUILDBUDDY_API_KEY }}

      # You should ensure the headers are correct before trying to pregen files
      - name: Test Scan Headers
        run: bazel test //... -k --test_tag_filters=robotpy_scan_headers --build_tests_only
        shell: bash

      - name: Run robotpy pregeneration
        run: bazel run //:write_robotpy_files

      - name: Check Output
        run: git --no-pager diff --exit-code HEAD

      - name: Generate diff
        run: git diff HEAD > robotpy-pregeneration.patch
        if: ${{ failure() }}

      - uses: actions/upload-artifact@v4
        with:
          name: ${{ matrix.platform }}-robotpy-pregeneration-fixes
          path: robotpy-pregeneration-fixes.patch
        if: ${{ failure() }}