formatters:
  enable:
    - gci
    - gofumpt
  settings:
    gci:
      sections:
        - standard
        - default
        - prefix(github.com/prometheus/otlptranslator)
    gofumpt:
      extra-rules: true
issues:
  max-issues-per-linter: 0
  max-same-issues: 0
linters:
  # Keep this list sorted alphabetically
  enable:
    - depguard
    - errorlint
    - exptostd
    - gocritic
    - godot
    - loggercheck
    - misspell
    - nilnesserr
    # TODO: Enable once https://github.com/golangci/golangci-lint/issues/3228 is fixed.
    # - nolintlint
    - perfsprint
    - predeclared
    - revive
    - sloglint
    - testifylint
    - unconvert
    - unused
    - usestdlibvars
    - whitespace
  settings:
    depguard:
      rules:
        main:
          deny:
            - pkg: sync/atomic
              desc: Use go.uber.org/atomic instead of sync/atomic
            - pkg: github.com/stretchr/testify/assert
              desc: Use github.com/stretchr/testify/require instead of github.com/stretchr/testify/assert
            - pkg: io/ioutil
              desc: Use corresponding 'os' or 'io' functions instead.
            - pkg: regexp
              desc: Use github.com/grafana/regexp instead of regexp
            - pkg: github.com/pkg/errors
              desc: Use 'errors' or 'fmt' instead of github.com/pkg/errors
            - pkg: golang.org/x/exp/slices
              desc: Use 'slices' instead.
    perfsprint:
      # Optimizes `fmt.Errorf`.
      errorf: true
    revive:
      # By default, revive will enable only the linting rules that are named in the configuration file.
      # So, it's needed to explicitly enable all required rules here.
      rules:
        # https://github.com/mgechev/revive/blob/master/RULES_DESCRIPTIONS.md
        - name: blank-imports
        - name: comment-spacings
        - name: context-as-argument
          arguments:
            # Allow functions with test or bench signatures.
            - allowTypesBefore: '*testing.T,testing.TB'
        - name: context-keys-type
        - name: dot-imports
        - name: early-return
          arguments:
            - preserveScope
        # A lot of false positives: incorrectly identifies channel draining as "empty code block".
        # See https://github.com/mgechev/revive/issues/386
        - name: empty-block
          disabled: true
        - name: error-naming
        - name: error-return
        - name: error-strings
        - name: errorf
        - name: exported
        - name: increment-decrement
        - name: indent-error-flow
          arguments:
            - preserveScope
        - name: range
        - name: receiver-naming
        - name: redefines-builtin-id
        - name: superfluous-else
          arguments:
            - preserveScope
        - name: time-naming
        - name: unexported-return
        - name: unreachable-code
        - name: unused-parameter
        - name: var-declaration
        - name: var-naming
    testifylint:
      disable:
        - float-compare
        - go-require
      enable-all: true
run:
  timeout: 15m
version: "2"