go.yml

name: Go

on:
  push:
    branches: [ main ]
  pull_request:
    branches: [ main ]

# Cancel running workflows on new push to a PR.
concurrency:
  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
  cancel-in-progress: true

jobs:
  tidy:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        go-version: [ '1.20' ]

    steps:
      - uses: actions/checkout@v4
      - name: Setup Go ${{ matrix.go-version }}
        uses: actions/setup-go@v4
        with:
          go-version: ${{ matrix.go-version }}

      - name: tidy
        run: |
          go mod tidy
          go mod verify
          git status
          if [[ -n "$(git status --porcelain .)" ]]; then
            echo 'go.mod/go.sum is out-of-date: run `go mod tidy` in the right module directories (see git status) and then check in the changes'
            echo 'If `go mod tidy` results in no changes, make sure you are using the latest relase of Go'
            git status --porcelain .
            exit 1
          fi
      - name: gofmt
        run: test -z "$(gofmt -s -l $(find -name '*.go'))"

  build:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        go-version: [ '1.20', '1.21.x' ]

    steps:
      - uses: actions/checkout@v4
      - name: Setup Go ${{ matrix.go-version }}
        uses: actions/setup-go@v4
        with:
          go-version: ${{ matrix.go-version }}

      - name: Build
        run: go build ./...

      - name: Build tools
        run: cd ./tools/runvmtest && go build

  test:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        go-version: [ '1.20', '1.21.x' ]
        arch: [ 'amd64', 'arm', 'arm64', 'riscv64' ]
        exclude:
          # TODO: QEMU tests seem to time out.
          - go-version: 1.21.x
            arch: arm

    steps:
      - uses: actions/checkout@v4
      - name: Setup Go ${{ matrix.go-version }}
        uses: actions/setup-go@v4
        with:
          go-version: ${{ matrix.go-version }}

      - name: Build runvm tool
        run: (cd ./tools/runvmtest && go build)

      - name: Test
        run: |
          VMTEST_ARCH=${{ matrix.arch }} ./tools/runvmtest/runvmtest -- \
            go test -v -coverprofile=coverage.txt -covermode=atomic -coverpkg=./... ./...

      - uses: codecov/codecov-action@v4-beta
        env:
          CODECOV_TOKEN: '6793138f-7113-4561-aa24-08bdd9111678'
        with:
          flags: ${{ matrix.arch }}-${{ matrix.go-version }}
          fail_ci_if_error: true
          verbose: true