lint.yml

name: lint

on:
  push:
    branches: [ "master" ]
  pull_request:

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

jobs:
  lint:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Install Go
        uses: actions/setup-go@v5
        with:
          go-version: 1.22.x

      - name: Lint
        uses: golangci/golangci-lint-action@v4
        env:
          # Don't attempt to compile/resolve C packages (grocksdb, cleveldb).
          CGO_ENABLED: 0
        with:
          # sync with misc/devdeps/go.mod
          version: v1.54
          args:
            --config=./.github/golangci.yml
  fmt:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Install Go
        uses: actions/setup-go@v5
        with:
          go-version: 1.22.x

      - name: Install make
        run: sudo apt-get install -y make

      # prefill dependencies so that mod messages don't show up in make output
      - name: Fetch dependencies
        run: go mod download -modfile ./misc/devdeps/go.mod -x

      # inspired by:
      # https://github.com/Jerome1337/gofmt-action/blob/d5eabd189843f1d568286a54578159978b7c0fb1/entrypoint.sh
      - name: Check gofumpt / goimports
        run: |
          output="$(GOFMT_FLAGS=-l GOIMPORTS_FLAGS=-l make -s fmt)"
          if [ ! -z "$output" ]; then
            echo "The following files are not properly formatted; run 'make fmt imports' to format them."
            echo "$output"
            exit 1
          else
            echo 'Succeeded.'
          fi
  mod_tidy_check:
    runs-on: ubuntu-latest
    if: ${{ github.actor != 'dependabot[bot]' }}
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Install Go
        uses: actions/setup-go@v5
        with:
          go-version: 1.22.x

      - name: Install make
        run: sudo apt-get install -y make

      - name: Check go.mods
        env:
          VERIFY_MOD_SUMS: true
        run: |
          # Ensure Make is installed
          make --version

          # Run the tidy target
          make tidy