# See https://github.com/golangci/golangci-lint#config-file
run:
  issues-exit-code: 1 #Default
  tests: true #Default

linters:
  # Disable everything by default so upgrades to not include new "default
  # enabled" linters.
  disable-all: true
  # Specifically enable linters we want to use.
  enable:
    - asasalint
    - bodyclose
    - depguard
    - errcheck
    - errorlint
    - godot
    - gofumpt
    - goimports
    - gosec
    - gosimple
    - govet
    - ineffassign
    - misspell
    - perfsprint
    - revive
    - staticcheck
    - testifylint
    - typecheck
    - unconvert
    - unused
    - unparam
    - usestdlibvars
    - usetesting

issues:
  # Maximum issues count per one linter.
  # Set to 0 to disable.
  # Default: 50
  # Setting to unlimited so the linter only is run once to debug all issues.
  max-issues-per-linter: 0
  # Maximum count of issues with the same text.
  # Set to 0 to disable.
  # Default: 3
  # Setting to unlimited so the linter only is run once to debug all issues.
  max-same-issues: 0
  # Excluding configuration per-path, per-linter, per-text and per-source.
  exclude-rules:
    # TODO: Having appropriate comments for exported objects helps development,
    # even for objects in internal packages. Appropriate comments for all
    # exported objects should be added and this exclusion removed.
    - path: '.*internal/.*'
      text: "exported (method|function|type|const) (.+) should have comment or be unexported"
      linters:
        - revive
    # Yes, they are, but it's okay in a test.
    - path: _test\.go
      text: "exported func.*returns unexported type.*which can be annoying to use"
      linters:
        - revive
    # Example test functions should be treated like main.
    - path: example.*_test\.go
      text: "calls to (.+) only in main[(][)] or init[(][)] functions"
      linters:
        - revive
    # It's okay to not run gosec and perfsprint in a test.
    - path: _test\.go
      linters:
        - gosec
        - perfsprint
    # Ignoring gosec G404: Use of weak random number generator (math/rand instead of crypto/rand)
    # as we commonly use it in tests and examples.
    - text: "G404:"
      linters:
        - gosec
    # Ignoring gosec G402: TLS MinVersion too low
    # as the https://pkg.go.dev/crypto/tls#Config handles MinVersion default well.
    - text: "G402: TLS MinVersion too low."
      linters:
        - gosec
  include:
    # revive exported should have comment or be unexported.
    - EXC0012
    # revive package comment should be of the form ...
    - EXC0013

linters-settings:
  depguard:
    rules:
      non-tests:
        files:
          - "!$test"
          - "!**/*test/*.go"
          - "!**/internal/matchers/*.go"
        deny:
          - pkg: "testing"
          - pkg: "github.com/stretchr/testify"
          - pkg: "crypto/md5"
          - pkg: "crypto/sha1"
          - pkg: "crypto/**/pkix"
      auto/sdk:
        files:
          - "!internal/global/trace.go"
          - "~internal/global/trace_test.go"
        deny:
          - pkg: "go.opentelemetry.io/auto/sdk"
            desc: Do not use SDK from automatic instrumentation.
      otlp-internal:
        files:
          - "!**/exporters/otlp/internal/**/*.go"
        deny:
          - pkg: "go.opentelemetry.io/otel/exporters/otlp/internal"
            desc: Do not use cross-module internal packages.
      otlptrace-internal:
        files:
          - "!**/exporters/otlp/otlptrace/*.go"
          - "!**/exporters/otlp/otlptrace/internal/**.go"
        deny:
          - pkg: "go.opentelemetry.io/otel/exporters/otlp/otlptrace/internal"
            desc: Do not use cross-module internal packages.
      otlpmetric-internal:
        files:
          - "!**/exporters/otlp/otlpmetric/internal/*.go"
          - "!**/exporters/otlp/otlpmetric/internal/**/*.go"
        deny:
          - pkg: "go.opentelemetry.io/otel/exporters/otlp/otlpmetric/internal"
            desc: Do not use cross-module internal packages.
      otel-internal:
        files:
          - "**/sdk/*.go"
          - "**/sdk/**/*.go"
          - "**/exporters/*.go"
          - "**/exporters/**/*.go"
          - "**/schema/*.go"
          - "**/schema/**/*.go"
          - "**/metric/*.go"
          - "**/metric/**/*.go"
          - "**/bridge/*.go"
          - "**/bridge/**/*.go"
          - "**/trace/*.go"
          - "**/trace/**/*.go"
          - "**/log/*.go"
          - "**/log/**/*.go"
        deny:
          - pkg: "go.opentelemetry.io/otel/internal$"
            desc: Do not use cross-module internal packages.
          - pkg: "go.opentelemetry.io/otel/internal/attribute"
            desc: Do not use cross-module internal packages.
          - pkg: "go.opentelemetry.io/otel/internal/internaltest"
            desc: Do not use cross-module internal packages.
          - pkg: "go.opentelemetry.io/otel/internal/matchers"
            desc: Do not use cross-module internal packages.
  godot:
    exclude:
      # Exclude links.
      - '^ *\[[^]]+\]:'
      # Exclude sentence fragments for lists.
      - '^[ ]*[-•]'
      # Exclude sentences prefixing a list.
      - ':$'
  goimports:
    local-prefixes: go.opentelemetry.io
  misspell:
    locale: US
    ignore-words:
      - cancelled
  perfsprint:
    err-error: true
    errorf: true
    int-conversion: true
    sprintf1: true
    strconcat: true
  revive:
    # Sets the default failure confidence.
    # This means that linting errors with less than 0.8 confidence will be ignored.
    # Default: 0.8
    confidence: 0.01
    # https://github.com/mgechev/revive/blob/master/RULES_DESCRIPTIONS.md
    rules:
      - name: blank-imports
      - name: bool-literal-in-expr
      - name: constant-logical-expr
      - name: context-as-argument
        disabled: true
        arguments:
          - allowTypesBefore: "*testing.T"
      - name: context-keys-type
      - name: deep-exit
      - name: defer
        arguments:
          - ["call-chain", "loop"]
      - name: dot-imports
      - name: duplicated-imports
      - name: early-return
        arguments:
          - "preserveScope"
      - name: empty-block
      - name: empty-lines
      - name: error-naming
      - name: error-return
      - name: error-strings
      - name: errorf
      - name: exported
        arguments:
          - "sayRepetitiveInsteadOfStutters"
      - name: flag-parameter
      - name: identical-branches
      - name: if-return
      - name: import-shadowing
      - name: increment-decrement
      - name: indent-error-flow
        arguments:
          - "preserveScope"
      - name: package-comments
      - name: range
      - name: range-val-in-closure
      - name: range-val-address
      - name: redefines-builtin-id
      - name: string-format
        arguments:
          - - panic
            - '/^[^\n]*$/'
            - must not contain line breaks
      - name: struct-tag
      - name: superfluous-else
        arguments:
          - "preserveScope"
      - name: time-equal
      - name: unconditional-recursion
      - name: unexported-return
      - name: unhandled-error
        arguments:
          - "fmt.Fprint"
          - "fmt.Fprintf"
          - "fmt.Fprintln"
          - "fmt.Print"
          - "fmt.Printf"
          - "fmt.Println"
      - name: unnecessary-stmt
      - name: useless-break
      - name: var-declaration
      - name: var-naming
        arguments:
          - ["ID"] # AllowList
          - ["Otel", "Aws", "Gcp"] # DenyList
      - name: waitgroup-by-value
  testifylint:
    enable-all: true
    disable:
      - float-compare
      - go-require
      - require-error