go.yml

name: Go

on:
  push:
    branches: [ master ]
    tags:
      - '*.*.*' # Push events to matching v*, i.e. v1.0, v20.15.10
  pull_request:
    branches: [ master ]

jobs:
  test:
    name: Lint and Test
    runs-on: ubuntu-latest

    steps:
      - name: Install libsensors-dev (needed for gosensors testing)
        run: sudo apt-get install -y libsensors-dev

      - name: Checkout the repository
        uses: actions/checkout@v7

      - uses: actions/setup-go@v7
        with:
          go-version: '^1.23'

      - name: Run golangci-lint
        uses: golangci/golangci-lint-action@v9.3.0
        with:
          version: latest
          skip-cache: false

      - name: Test
        run: make test

  build:
    name: Build linux/${{ matrix.goarch }}
    runs-on: ${{ matrix.runner }}
    needs: test
    strategy:
      fail-fast: false
      matrix:
        include:
          - goarch: amd64
            runner: ubuntu-latest
            native: true
            make_target: build

          - goarch: arm64
            runner: ubuntu-24.04-arm
            native: true
            make_target: build

          - goarch: ppc64le
            runner: ubuntu-24.04
            native: false
            make_target: build-cross
            cc: powerpc64le-linux-gnu-gcc
            dpkg_arch: ppc64el
            cross_pkg: crossbuild-essential-ppc64el
            libsensors_pkg: libsensors-dev:ppc64el
            qemu_bin: qemu-ppc64le-static

          - goarch: s390x
            runner: ubuntu-24.04
            native: false
            make_target: build-cross
            cc: s390x-linux-gnu-gcc
            dpkg_arch: s390x
            cross_pkg: crossbuild-essential-s390x
            libsensors_pkg: libsensors-dev:s390x
            qemu_bin: qemu-s390x-static

          - goarch: riscv64
            runner: ubuntu-24.04
            native: false
            make_target: build-cross
            cc: riscv64-linux-gnu-gcc
            dpkg_arch: riscv64
            cross_pkg: crossbuild-essential-riscv64
            libsensors_pkg: libsensors-dev:riscv64
            qemu_bin: qemu-riscv64-static

    steps:
      - name: Install libsensors-dev (native)
        if: matrix.native
        run: sudo apt-get install -y libsensors-dev

      - name: Set up multiarch and cross-compilation toolchain
        if: ${{ !matrix.native }}
        run: |
          sudo dpkg --add-architecture ${{ matrix.dpkg_arch }}
          # Replace the runner's ubuntu.sources with one pinned to amd64 only.
          # The default file uses a mirrorlist URI that also serves ppc64el/s390x
          # requests to security.ubuntu.com, which returns 404 for those arches.
          sudo tee /etc/apt/sources.list.d/ubuntu.sources > /dev/null << 'EOF'
          Types: deb
          URIs: http://azure.archive.ubuntu.com/ubuntu
          Suites: noble noble-updates noble-backports noble-security
          Components: main restricted universe multiverse
          Architectures: amd64
          Signed-By: /usr/share/keyrings/ubuntu-archive-keyring.gpg
          EOF
          # Add ports.ubuntu.com for the foreign arch
          printf 'Types: deb\nURIs: http://ports.ubuntu.com/ubuntu-ports\nSuites: noble noble-updates noble-security\nComponents: main restricted universe multiverse\nArchitectures: %s\nSigned-By: /usr/share/keyrings/ubuntu-archive-keyring.gpg\n' "${{ matrix.dpkg_arch }}" | sudo tee /etc/apt/sources.list.d/ports-${{ matrix.dpkg_arch }}.sources
          sudo apt-get update
          sudo apt-get install -y ${{ matrix.cross_pkg }} ${{ matrix.libsensors_pkg }} qemu-user-static

      - name: Checkout the repository
        uses: actions/checkout@v7

      - uses: actions/setup-go@v7
        with:
          go-version: '^1.23'

      - name: Generate build files (${{ matrix.goarch }})
        env:
          CGO_ENABLED: "1"
          CC: ${{ matrix.cc }}
          GOOS: linux
          GOARCH: ${{ matrix.goarch }}
        run: |
          OUTPUT_BIN="dist/fan2go-linux-${{ matrix.goarch }}"
          make ${{ matrix.make_target }}          OUTPUT_BIN="${OUTPUT_BIN}"
          make ${{ matrix.make_target }}-no-nvml  OUTPUT_BIN="${OUTPUT_BIN}-no-nvml"
          file "${OUTPUT_BIN}"
          file "${OUTPUT_BIN}-no-nvml"

      - name: Smoke test (${{ matrix.goarch }})
        env:
          QEMU_BIN: ${{ matrix.qemu_bin }}
        run: |
          OUTPUT_BIN="dist/fan2go-linux-${{ matrix.goarch }}"
          RUNNER="${QEMU_BIN}"
          if [ "${{ matrix.native }}" = "true" ]; then
            RUNNER=""
          fi
          ${RUNNER} "${OUTPUT_BIN}" version
          ${RUNNER} "${OUTPUT_BIN}-no-nvml" version

      - name: Nvml check (amd64 only)
        if: matrix.goarch == 'amd64'
        run: |
          set -x
          # make sure the no-nvml build *really* doesn't use nvml
          # ("nvml" is printed by objdump at least once because of the filename,
          #  but if nvml is linked, it has hundreds of occurrences)
          test `objdump -T ./dist/fan2go-linux-amd64-no-nvml | grep -c nvml` -lt 3
          # .. and that the regular build *does* have symbols with "nvml" in it
          test `objdump -T ./dist/fan2go-linux-amd64 | grep -c nvml` -ge 3

      - name: Upload artifacts
        uses: actions/upload-artifact@v7
        with:
          name: fan2go-linux-${{ matrix.goarch }}
          path: dist/fan2go-linux-${{ matrix.goarch }}*

  release:
    name: Release
    runs-on: ubuntu-latest
    permissions:
      contents: write
    needs: build
    if: startsWith(github.ref, 'refs/tags/')

    steps:
      - name: Download all artifacts
        uses: actions/download-artifact@v8
        with:
          path: dist/
          merge-multiple: true

      - name: Release
        uses: softprops/action-gh-release@v3
        with:
          files: |
            dist/fan2go-linux-amd64
            dist/fan2go-linux-amd64-no-nvml
            dist/fan2go-linux-arm64
            dist/fan2go-linux-arm64-no-nvml
            dist/fan2go-linux-ppc64le
            dist/fan2go-linux-ppc64le-no-nvml
            dist/fan2go-linux-s390x
            dist/fan2go-linux-s390x-no-nvml
            dist/fan2go-linux-riscv64
            dist/fan2go-linux-riscv64-no-nvml
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}