linters-settings:
  depguard:
    # new configuration
    rules:
      logger:
        deny:
          # logging is allowed only by logutils.Log,
          # logrus is allowed to use only in logutils package.
          - pkg: "github.com/sirupsen/logrus"
            desc: logging is allowed only by logutils.Log
  dupl:
    threshold: 100
  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: 50
  goconst:
    min-len: 2
    min-occurrences: 3
  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
  gofmt:
    rewrite-rules:
      - pattern: 'interface{}'
        replacement: 'any'
  goimports:
    local-prefixes: github.com/golangci/golangci-lint
  gomnd:
    # don't include the "operation" and "assign"
    checks:
      - argument
      - case
      - condition
      - return
    ignored-numbers:
      - '0'
      - '1'
      - '2'
      - '3'
    ignored-functions:
      - strings.SplitN

  govet:
    check-shadowing: true
    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
  lll:
    line-length: 140
  misspell:
    locale: US
  nolintlint:
    allow-unused: false # report any unused nolint directives
    require-explanation: false # don't require an explanation for nolint directives
    require-specific: false # don't require nolint directives to be specific about which linter is being skipped
  revive:
    rules:
      - name: unexported-return
        disabled: true
      - name: unused-parameter

linters:
  disable-all: true
  enable:
    - bodyclose
    - depguard
    - dogsled
    - dupl
    - errcheck
    - exportloopref
    - funlen
    - gochecknoinits
    - goconst
    - gocritic
    - gocyclo
    - gofmt
    - goimports
    - gomnd
    - goprintffuncname
    - gosec
    - gosimple
    - govet
    - ineffassign
    - lll
    - misspell
    - nakedret
    - noctx
    - nolintlint
    - revive
    - staticcheck
    - stylecheck
    - typecheck
    - unconvert
    - unparam
    - unused
    - whitespace

  # don't enable:
  # - asciicheck
  # - scopelint
  # - gochecknoglobals
  # - gocognit
  # - godot
  # - godox
  # - goerr113
  # - interfacer
  # - maligned
  # - nestif
  # - prealloc
  # - testpackage
  # - wsl

issues:
  # Excluding configuration per-path, per-linter, per-text and per-source
  exclude-rules:
    - path: _test\.go
      linters:
        - gomnd

    - path: pkg/golinters/errcheck.go
      text: "SA1019: errCfg.Exclude is deprecated: use ExcludeFunctions instead"
    - path: pkg/commands/run.go
      text: "SA1019: lsc.Errcheck.Exclude is deprecated: use ExcludeFunctions instead"
    - path: pkg/commands/run.go
      text: "SA1019: e.cfg.Run.Deadline is deprecated: Deadline exists for historical compatibility and should not be used."

    - path: pkg/golinters/gofumpt.go
      text: "SA1019: settings.LangVersion is deprecated: use the global `run.go` instead."
    - path: pkg/golinters/staticcheck_common.go
      text: "SA1019: settings.GoVersion is deprecated: use the global `run.go` instead."
    - path: pkg/lint/lintersdb/manager.go
      text: "SA1019: (.+).(GoVersion|LangVersion) is deprecated: use the global `run.go` instead."
    - path: pkg/golinters/unused.go
      text: "rangeValCopy: each iteration copies 160 bytes \\(consider pointers or indexing\\)"
    - path: test/(fix|linters)_test.go
      text: "string `gocritic.go` has 3 occurrences, make it a constant"

run:
  timeout: 5m
  skip-dirs:
    - test/testdata_etc # test files
    - internal/cache # extracted from Go code
    - internal/renameio # extracted from Go code
    - internal/robustio # extracted from Go code