go.yml

name: Go

on:
  push:
    branches: [ main ]
  pull_request:
    branches: [ main ]
  schedule:
    # Every day at 8am.
    - cron: "0 8 * * *"

# 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:
    name: Tidy
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - name: Setup Go
        uses: actions/setup-go@v4
        with:
          go-version: '1.22.x'

      - name: gofmt
        run: cd src && test -z "$(gofmt -s -l $(find -name '*.go'))"

      - name: go mod tidy
        run: |
          cd src
          go mod tidy
          git status
          if [[ -n "$(git status --porcelain .)" ]]; then
            echo 'go.mod/go.sum is out-of-date: run `go mod tidy` and then check in the changes'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

  unit-test:
    name: Unit Test
    runs-on: ubuntu-latest
    strategy:
      matrix:
        goversion: ['1.20', '1.21.x', '1.22.x']
    steps:
      - uses: actions/checkout@v4
        with:
          path: go/src/github.com/u-root/gobusybox

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

      - name: Test
        run: |
          cd go/src/github.com/u-root/gobusybox/src

          # Make sure GO111MODULE=off cases work.
          go mod vendor

          # Unit tests cover both GO111MODULE=on and off cases.
          GOPATH=$GITHUB_WORKSPACE/go go test -covermode=atomic -coverprofile cover.out ./...

      - uses: codecov/codecov-action@036b81c4b4e8314b391265bc226440f9e2117e2a
        env:
          CODECOV_TOKEN: 'bf25d8b2-b4f9-43f4-b578-64eefbe31e61'
        with:
          working-directory: go/src/github.com/u-root/gobusybox
          flags: ${{ matrix.goversion }}
          fail_ci_if_error: true
          verbose: true

  test-gopath:
    name: gobuilds-gopath
    runs-on: ubuntu-latest
    strategy:
      matrix:
        goversion: ['1.20', '1.21.x', '1.22.x']
    steps:
      - uses: actions/checkout@v4
        with:
          path: go/src/github.com/u-root/gobusybox

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

      - name: Test
        run: |
          cd go/src/github.com/u-root/gobusybox
          mkdir cover
          GOPATH=$GITHUB_WORKSPACE/go GOCOVERDIR=$(pwd)/cover ./gobuilds-gopath.sh
          go tool covdata textfmt -i=cover -o cover.out

      - uses: codecov/codecov-action@036b81c4b4e8314b391265bc226440f9e2117e2a
        env:
          CODECOV_TOKEN: 'bf25d8b2-b4f9-43f4-b578-64eefbe31e61'
        with:
          working-directory: go/src/github.com/u-root/gobusybox
          flags: ${{ matrix.goversion }}
          fail_ci_if_error: true
          verbose: true

  test-gomodule:
    name: gobuilds
    runs-on: ubuntu-latest
    strategy:
      matrix:
        goversion: ['1.20', '1.21.x', '1.22.x']
    steps:
      - uses: actions/checkout@v4

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

      - name: Test
        run: |
          mkdir cover
          GOCOVERDIR=$(pwd)/cover ./gobuilds.sh
          go tool covdata textfmt -i=cover -o cover.out

      - uses: codecov/codecov-action@036b81c4b4e8314b391265bc226440f9e2117e2a
        env:
          CODECOV_TOKEN: 'bf25d8b2-b4f9-43f4-b578-64eefbe31e61'
        with:
          flags: ${{ matrix.goversion }}
          fail_ci_if_error: true
          verbose: true

  test-external-workspaces:
    name: test-external-workspaces
    runs-on: ubuntu-latest
    strategy:
      matrix:
        goversion: ['1.20', '1.21.x', '1.22.x']
    steps:
      - uses: actions/checkout@v4

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

      - name: Test
        run: |
          mkdir cover
          GOCOVERDIR=$(pwd)/cover ./test-external-workspaces.sh
          go tool covdata textfmt -i=cover -o cover.out

      - uses: codecov/codecov-action@036b81c4b4e8314b391265bc226440f9e2117e2a
        env:
          CODECOV_TOKEN: 'bf25d8b2-b4f9-43f4-b578-64eefbe31e61'
        with:
          flags: ${{ matrix.goversion }}
          fail_ci_if_error: true
          verbose: true

  test-external-gopath:
    name: test-external-gopath
    runs-on: ubuntu-latest
    strategy:
      matrix:
        goversion: ['1.20', '1.21.x', '1.22.x']
    steps:
      - uses: actions/checkout@v4

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

      - name: Test
        run: |
          mkdir cover
          GOCOVERDIR=$(pwd)/cover ./test-external-gopath.sh
          go tool covdata textfmt -i=cover -o cover.out

      - uses: codecov/codecov-action@036b81c4b4e8314b391265bc226440f9e2117e2a
        env:
          CODECOV_TOKEN: 'bf25d8b2-b4f9-43f4-b578-64eefbe31e61'
        with:
          flags: ${{ matrix.goversion }}
          fail_ci_if_error: true
          verbose: true