name: Main

on:
  push:
    branches:
      - master
  pull_request:

env:
  GO_VERSION: stable
  GOLANGCI_LINT_VERSION: v1.56.2

jobs:

  linting:
    name: Linting
    runs-on: ubuntu-latest
    steps:
      - name: Check out code
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Set up Go ${{ env.GO_VERSION }}
        uses: actions/setup-go@v5
        with:
          go-version: ${{ env.GO_VERSION }}

      - name: Check and get dependencies
        run: |
          go mod tidy
          git diff --exit-code go.mod
          # git diff --exit-code go.sum
          go mod download

      - name: Install golangci-lint ${{ env.GOLANGCI_LINT_VERSION }}
        run: curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s -- -b $(go env GOPATH)/bin ${GOLANGCI_LINT_VERSION}

      - name: Run golangci-lint ${{ env.GOLANGCI_LINT_VERSION }}
        run: make check

  generate:
    name: Checks code and generated code
    runs-on: ubuntu-latest
    needs: linting
    strategy:
      matrix:
        go-version: [ oldstable, stable ]
    steps:
      - name: Check out code
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Set up Go ${{ matrix.go-version }}
        uses: actions/setup-go@v5
        with:
          go-version: ${{ matrix.go-version }}
          stable: true

      - name: Check generated code
        run: |
          rm -f interp/op.go
          make generate
          git update-index -q --refresh
          CHANGED=$(git diff-index --name-only HEAD --)
          test -z "$CHANGED" || echo $CHANGED
          test -z "$CHANGED"

  main:
    name: Build and Test
    runs-on: ubuntu-latest
    needs: linting
    defaults:
      run:
        working-directory: ${{ github.workspace }}/go/src/github.com/traefik/yaegi
    strategy:
      matrix:
        go-version: [ oldstable, stable ]

    steps:
      - name: Check out code
        uses: actions/checkout@v4
        with:
          path: go/src/github.com/traefik/yaegi
          fetch-depth: 0

      - name: Set up Go ${{ matrix.go-version }}
        uses: actions/setup-go@v5
        with:
          go-version: ${{ matrix.go-version }}
          stable: true

      # https://github.com/marketplace/actions/cache
      - name: Cache Go modules
        uses: actions/cache@v3
        with:
          path: ./_test/tmp
          key: ${{ runner.os }}-yaegi-${{ hashFiles('**//_test/tmp/') }}
          restore-keys: |
            ${{ runner.os }}-yaegi-

      - name: Setup GOPATH
        run: go env -w GOPATH=${{ github.workspace }}/go

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

      - name: Run tests
        run: make tests
        env:
          GOPATH: ${{ github.workspace }}/go