version: "2"

linters:
  # inverted configuration with `default: all` and `disable` is not scalable during updates of golangci-lint
  default: none
  enable:
    - bodyclose
    - dogsled
    - dupl
    - errcheck
    - errorlint
    - exhaustive
    - funlen
    - gocheckcompilerdirectives
    - gochecknoinits
    - gocritic
    - gocyclo
    - godox
    - goprintffuncname
    - gosec
    - govet
    - ineffassign
    - lll
    - misspell
    - mnd
    - nakedret
    - nolintlint
    - prealloc
    - revive
    - rowserrcheck
    - staticcheck
    - testifylint
    - unconvert
    - unparam
    - unused
    - whitespace
  settings:
    dupl:
      threshold: 100
    exhaustive:
      default-signifies-exhaustive: false
    funlen:
      lines: 100
      statements: 50
    gocritic:
      disabled-checks:
        - dupImport # https://github.com/go-critic/go-critic/issues/845
        - ifElseChain
        - octalLiteral
        - whyNoLint
        - wrapperFunc
      enabled-tags:
        - diagnostic
        - experimental
        - opinionated
        - performance
        - style
    gocyclo:
      min-complexity: 15
    govet:
      enable:
        - nilness
        - shadow
    lll:
      line-length: 140
    misspell:
      locale: US
    mnd:
      # don't include the "operation" and "assign"
      checks:
        - argument
        - case
        - condition
        - return
      ignored-numbers:
        - "0"
        - "1"
        - "2"
        - "3"
      ignored-functions:
        - strings.SplitN
    nolintlint:
      allow-unused: false # report any unused nolint directives
      require-explanation: false # require an explanation for nolint directives
      require-specific: true # require nolint directives to be specific about which linter is being skipped
    staticcheck:
      checks:
        - "all"
        - "-QF*"
  exclusions:
    generated: lax
    presets:
      - comments
      - common-false-positives
      - legacy
      - std-error-handling
    rules:
      - linters:
          - gochecknoinits
        path: cmd/.*.go
      - linters:
          - dupl
          - funlen
          - gochecknoinits
          - gocyclo
          - lll
          - scopelint
        path: .*_test.go
      - linters:
          - misspell
        text: "[aA]uther"
      - linters:
          - mnd
        text: strconv.Parse
    paths:
      - frontend/

formatters:
  enable:
    - goimports
  settings:
    goimports:
      local-prefixes:
        - github.com/filebrowser/filebrowser
  exclusions:
    generated: lax
    paths:
      - frontend/