.golangci.yml

linters-settings:
  dupl:
    threshold: 150
  funlen:
    lines: -1 # the number of lines (code + empty lines) is not a right metric and leads to code without empty line or one-liner.
    statements: 500
  goconst:
    min-len: 2
    min-occurrences: 5
  gocritic:
    enabled-tags:
      - diagnostic
      - experimental
      - opinionated
      - performance
      - style
    disabled-checks:
      - dupImport # https://github.com/go-critic/go-critic/issues/845
      - ifElseChain
      - octalLiteral
      - whyNoLint
  gocyclo:
    min-complexity: 15
  godox:
    keywords:
      - FIXME
  gofmt:
    rewrite-rules:
      - pattern: "interface{}"
        replacement: "any"
  goimports:
    local-prefixes: github.com/golangci/golangci-lint
  govet:
    settings:
      printf:
        funcs:
          - (github.com/golangci/golangci-lint/pkg/logutils.Log).Infof
          - (github.com/golangci/golangci-lint/pkg/logutils.Log).Warnf
          - (github.com/golangci/golangci-lint/pkg/logutils.Log).Errorf
          - (github.com/golangci/golangci-lint/pkg/logutils.Log).Fatalf
    enable:
      - nilness
      - shadow
  errorlint:
    asserts: false
  lll:
    line-length: 140
linters:
  disable-all: true
  enable:
    - bodyclose
    - copyloopvar
    - dogsled
    - dupl
    - errcheck
    - errorlint
    - funlen
    - gocheckcompilerdirectives
    - gochecknoinits
    - goconst
    - gocritic
    - gocyclo
    - gofmt
    - goprintffuncname
    - gosec
    - gosimple
    - govet
    - ineffassign
    - lll
    - nakedret
    - noctx
    - nolintlint
    - staticcheck
    - stylecheck
    - testifylint
    - unconvert
    - unparam
    - unused
    - whitespace

issues:
  exclude-rules:
    - path: (.+)_test\.go
      linters:
        - dupl
        - mnd
        - lll

    # The logic of creating a linter is similar between linters, it's not duplication.
    - path: pkg/golinters
      linters:
        - dupl

    # Deprecated configuration options.
    - path: pkg/commands/run.go
      linters: [staticcheck]
      text: "SA1019: c.cfg.Run.ShowStats is deprecated: use Output.ShowStats instead."

    # Deprecated linter options.
    - path: pkg/golinters/errcheck/errcheck.go
      linters: [staticcheck]
      text: "SA1019: errCfg.Exclude is deprecated: use ExcludeFunctions instead"
    - path: pkg/golinters/errcheck/errcheck.go
      linters: [staticcheck]
      text: "SA1019: errCfg.Ignore is deprecated: use ExcludeFunctions instead"
    - path: pkg/golinters/govet/govet.go
      linters: [staticcheck]
      text: "SA1019: cfg.CheckShadowing is deprecated: the linter should be enabled inside Enable."
    - path: pkg/golinters/godot/godot.go
      linters: [staticcheck]
      text: "SA1019: settings.CheckAll is deprecated: use Scope instead"
    - path: pkg/golinters/gci/gci.go
      linters: [staticcheck]
      text: "SA1019: settings.LocalPrefixes is deprecated: use Sections instead."
    - path: pkg/golinters/mnd/mnd.go
      linters: [staticcheck]
      text: "SA1019: settings.Settings is deprecated: use root level settings instead."
    - path: pkg/golinters/mnd/mnd.go
      linters: [staticcheck]
      text: "SA1019: config.GoMndSettings is deprecated: use MndSettings."

    # Related to `run.go`, it cannot be removed.
    - path: pkg/golinters/gofumpt/gofumpt.go
      linters: [staticcheck]
      text: "SA1019: settings.LangVersion is deprecated: use the global `run.go` instead."
    - path: pkg/golinters/internal/staticcheck_common.go
      linters: [staticcheck]
      text: "SA1019: settings.GoVersion is deprecated: use the global `run.go` instead."
    - path: pkg/lint/lintersdb/manager.go
      linters: [staticcheck]
      text: "SA1019: (.+).(GoVersion|LangVersion) is deprecated: use the global `run.go` instead."

    # Based on existing code, the modifications should be limited to make maintenance easier.
    - path: pkg/golinters/unused/unused.go
      linters: [gocritic]
      text: "rangeValCopy: each iteration copies 160 bytes \\(consider pointers or indexing\\)"

  exclude-dirs:
    - vendor
    - test/testdata_etc # test files
    - internal/cache # extracted from Go code
    - internal/renameio # extracted from Go code
    - internal/robustio # extracted from Go code

run:
  timeout: 5m