version: "2"
run:
  concurrency: 4
  # also lint _test.go files
  tests: true
  timeout: 5m
linters:
  enable:
    - govet
    - staticcheck
    - unused
    - errcheck
    - gocritic
    - gocyclo
    - revive
    - ineffassign
    - unconvert
    - goconst
    # - depguard
    - prealloc
    # - dupl
    - misspell
    - bodyclose
    - sqlclosecheck
    - nilerr
    - nestif
    - forcetypeassert
    - exhaustive
    - funlen
    # - wsl_v5
    - testifylint
    - whitespace
    - perfsprint
    - nolintlint
    - godot
    - thelper
    - tparallel
    - paralleltest
    - predeclared
    - modernize

  # disable noisy/controversial ones which you might enable later
  disable:
    - lll          # line length — handled by gofmt/gofumpt

  settings:
    dupl:
      threshold: 20  # lower => stricter (tokens)
    errcheck:
      check-type-assertions: true
    funlen:
      lines: 120
      statements: 80
    goconst:
      min-len: 2
      min-occurrences: 3
    gocyclo:
      min-complexity: 15 # strict; lower => stricter
    wsl_v5:
      allow-first-in-block: true
      allow-whole-block: false
      branch-max-lines: 2
    testifylint:
      disable:
        - require-error
        - float-compare

  exclusions:
    generated: lax
    paths:
      - examples$
    rules:
      - linters:
          - revive
        text: "^unused-parameter:"
      - linters:
          - revive
        text: "^package-comments:"
      - linters:
          - errcheck
        text: "Error return value of `.*\\.Body\\.Close` is not checked"
      # linters disabled in tests
      - linters:
          - dupl
          - goconst
          - funlen
        path: "_test\\.go$"

issues:
  max-issues-per-linter: 0  # 0 = unlimited (we want ALL issues)
  max-same-issues: 100

formatters:
  enable:
    - gofmt
    - gofumpt
  settings:
    gofumpt:
      extra-rules: true
  exclusions:
    generated: lax
    paths:
      - third_party$
      - builtin$
      - examples$