lint.yml

on: [push, pull_request]

jobs:
  check:
    runs-on: ubuntu-latest
    name: Lint
    steps:
      - uses: actions/checkout@v4
      - uses: actions/setup-go@v5
        with:
          go-version: "1.23.x"
      - name: Check for //go:build ignore in .go files
        run: |
          IGNORED_FILES=$(grep -rl '//go:build ignore' . --include='*.go') || true
          if [ -n "$IGNORED_FILES" ]; then
            echo "::error::Found ignored Go files: $IGNORED_FILES"
            exit 1
          fi
      - name: Check that go.mod is tidied
        if: success() || failure() # run this step even if the previous one failed
        run: |
          cp go.mod go.mod.orig
          cp go.sum go.sum.orig
          go mod tidy
          diff go.mod go.mod.orig
          diff go.sum go.sum.orig
      - name: Run code generators
        if: success() || failure() # run this step even if the previous one failed
        run: .github/workflows/go-generate.sh
      - name: gofmt
        if: success() || failure() # run this step even if the previous one failed
        run: |
          out=$(gofmt -s -l .)
          if [[ -n "$out" ]]; then
            echo $out | awk '{print "::error file=" $0 ",line=0,col=0::File is not gofmt-ed."}'
            exit 1
          fi
      - name: go vet
        if: success() || failure() # run this step even if the previous one failed
        run: go vet ./...
      - name: Install staticcheck
        if: success() || failure() # run this step even if the previous one failed
        run: go install honnef.co/go/tools/cmd/staticcheck@v0.5.0
      - name: staticcheck
        if: success() || failure() # run this step even if the previous one failed
        run: |
          set -o pipefail
          staticcheck ./... | sed -e 's@\(.*\)\.go@./\1.go@g'