.golangci.yml

# This file contains all available configuration options
# with their default values.

# options for analysis running
run:
  # default concurrency is a available CPU number
  # concurrency: 4

  # timeout for analysis, e.g. 30s, 5m, default is 1m
  timeout: 30m

  # exit code when at least one issue was found, default is 1
  issues-exit-code: 1

  # include test files or not, default is true
  tests: true

  # list of build tags, all linters use it. Default is empty list.
  # build-tags:
  #   - mytag

  # which dirs to skip: issues from them won't be reported;
  # can use regexp here: generated.*, regexp is applied on full path;
  # default value is empty list, but default dirs are skipped independently
  # from this option's value (see skip-dirs-use-default).
  # skip-dirs:
  #   - src/external_libs
  #   - autogenerated_by_my_lib

  # default is true. Enables skipping of directories:
  #   vendor$, third_party$, testdata$, examples$, Godeps$, builtin$
  skip-dirs-use-default: true

  # which files to skip: they will be analyzed, but issues from them
  # won't be reported. Default value is empty list, but there is
  # no need to include all autogenerated files, we confidently recognize
  # autogenerated files. If it's not please let us know.
  # skip-files:
  #   - ".*\\.my\\.go$"
  #   - lib/bad.go

  # by default isn't set. If set we pass it to "go list -mod={option}". From "go help modules":
  # If invoked with -mod=readonly, the go command is disallowed from the implicit
  # automatic updating of go.mod described above. Instead, it fails when any changes
  # to go.mod are needed. This setting is most useful to check that go.mod does
  # not need updates, such as in a continuous integration and testing system.
  # If invoked with -mod=vendor, the go command assumes that the vendor
  # directory holds the correct copies of dependencies and ignores
  # the dependency descriptions in go.mod.
  # modules-download-mode: readonly|release|vendor

# output configuration options
output:
  # colored-line-number|line-number|json|tab|checkstyle|code-climate, default is "colored-line-number"
  formats:
    - format: line-number

  # print lines of code with issue, default is true
  print-issued-lines: true

  # print linter name in the end of issue text, default is true
  print-linter-name: true

  sort-results: true

# all available settings of specific linters
linters-settings:
  errcheck:
    # report about not checking of errors in type assetions: `a := b.(MyStruct)`;
    # default is false: such cases aren't reported by default.
    check-type-assertions: false

    # report about assignment of errors to blank identifier: `num, _ := strconv.Atoi(numStr)`;
    # default is false: such cases aren't reported by default.
    check-blank: false

    # [deprecated] comma-separated list of pairs of the form pkg:regex
    # the regex is used to ignore names within pkg. (default "fmt:.*").
    # see https://github.com/kisielk/errcheck#the-deprecated-method for details
    # ignore: fmt:.*,io/ioutil:^Read.*
    ignore: ''

    # path to a file containing a list of functions to exclude from checking
    # see https://github.com/kisielk/errcheck#excluding-functions for details
    # exclude: /path/to/file.txt

  # Disable error checking, as errorcheck detects more errors and is more configurable.
  gosec:
    exclude:
    - "G104"

  funlen:
    lines: 60
    statements: 40

  govet:
    # report about shadowed variables
    enable:
      - shadow

    # settings per analyzer
    settings:
      printf: # analyzer name, run `go tool vet help` to see all analyzers
        funcs: # run `go tool vet help printf` to see available settings for `printf` analyzer
          - (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

    # enable or disable analyzers by name
    # enable:
    #   - atomicalign
    # enable-all: false
    # disable:
    #   - shadow
    # disable-all: false
  gofmt:
    # simplify code: gofmt with `-s` option, true by default
    simplify: true
  goimports:
    # put imports beginning with prefix after 3rd-party packages;
    # it's a comma-separated list of prefixes
    # local-prefixes: github.com/org/project
  gocyclo:
    # minimal code complexity to report, 30 by default (but we recommend 10-20)
    min-complexity: 30
  gocognit:
    # minimal code complexity to report, 30 by default (but we recommend 10-20)
    min-complexity: 20
  maligned:
    # print struct with more effective memory layout or not, false by default
    suggest-new: true
  dupl:
    # tokens count to trigger issue, 150 by default
    threshold: 100
  goconst:
    # minimal length of string constant, 3 by default
    min-len: 3
    # minimal occurrences count to trigger, 3 by default
    min-occurrences: 3
  depguard:
    rules:
      test:
        files:
          - $test
        allow:
          - $gostd
          - github.com/stretchr/testify
          - gitlab.com/gitlab-org/gitlab-shell
          - gitlab.com/gitlab-org/labkit
          - gitlab.com/gitlab-org/gitaly
          - github.com/prometheus/client_golang/prometheus
          - github.com/pires/go-proxyproto
          - github.com/otiai10/copy
          - github.com/hashicorp/go-retryablehttp
          - github.com/golang-jwt/jwt
          - github.com/mikesmitty/edkey
          - github.com/sirupsen/logrus
          - github.com/grpc-ecosystem/go-grpc-prometheus
          - github.com/mattn/go-shellwords

  #   list-type: blacklist
  #   include-go-root: false
  #   packages:
  #     - github.com/sirupsen/logrus
  #   packages-with-error-messages:
  #     # specify an error message to output when a blacklisted package is used
  #     github.com/sirupsen/logrus: "logging is allowed only by logutils.Log"
  misspell:
    # Correct spellings using locale preferences for US or UK.
    # Default is to use a neutral variety of English.
    # Setting locale to US will correct the British spelling of 'colour' to 'color'.
    locale: US
    ignore-words:
      - GitLab
  lll:
    # max line length, lines longer will be reported. Default is 120.
    # '\t' is counted as 1 character by default, and can be changed with the tab-width option
    line-length: 120
    # tab width in spaces. Default to 1.
    tab-width: 1
  unused:
    # treat code as a program (not a library) and report unused exported identifiers; default is false.
    # XXX: if you enable this setting, unused will report a lot of false-positives in text editors:
    # if it's called for subdir of a project it can't find funcs usages. All text editor integrations
    # with golangci-lint call it on a directory with the changed file.
    check-exported: false
  unparam:
    # Inspect exported functions, default is false. Set to true if no external program/library imports your code.
    # XXX: if you enable this setting, unparam will report a lot of false-positives in text editors:
    # if it's called for subdir of a project it can't find external interfaces. All text editor integrations
    # with golangci-lint call it on a directory with the changed file.
    check-exported: false
  nakedret:
    # make an issue if func has more lines of code than this setting and it has naked returns; default is 30
    max-func-lines: 30
  prealloc:
    # XXX: we don't recommend using this linter before doing performance profiling.
    # For most programs usage of prealloc will be a premature optimization.

    # Report preallocation suggestions only on simple loops that have no returns/breaks/continues/gotos in them.
    # True by default.
    simple: true
    range-loops: true # Report preallocation suggestions on range loops, true by default
    for-loops: false # Report preallocation suggestions on for loops, false by default
  gocritic:
    # Which checks should be enabled; can't be combined with 'disabled-checks';
    # See https://go-critic.github.io/overview#checks-overview
    # To check which checks are enabled run `GL_DEBUG=gocritic golangci-lint run`
    # By default list of stable checks is used.
    # enabled-checks:
    #   - rangeValCopy

    # Which checks should be disabled; can't be combined with 'enabled-checks'; default is empty
    # disabled-checks:
    #   - regexpMust

    # Enable multiple checks by tags, run `GL_DEBUG=gocritic golangci-lint run` to see all tags and checks.
    # Empty list by default. See https://github.com/go-critic/go-critic#usage -> section "Tags".
    # enabled-tags:
    #   - performance

    settings: # settings passed to gocritic
      captLocal: # must be valid enabled check name
        paramsOnly: true
    # rangeValCopy:
    #   sizeThreshold: 32
  godox:
    # report any comments starting with keywords, this is useful for TODO or FIXME comments that
    # might be left in the code accidentally and should be resolved before merging
    keywords: # default keywords are TODO, BUG, and FIXME, these can be overwritten by this setting
      - TODO
      - BUG
      - FIXME
      - NOTE
      - OPTIMIZE # marks code that should be optimized before merging
      - HACK # marks hack-arounds that should be removed before merging
  dogsled:
    # checks assignments with too many blank identifiers; default is 2
    max-blank-identifiers: 2

  whitespace:
    multi-if: false   # Enforces newlines (or comments) after every multi-line if statement
    multi-func: false # Enforces newlines (or comments) after every multi-line function signature
  wsl:
    # If true append is only allowed to be cuddled if appending value is
    # matching variables, fields or types on line above. Default is true.
    strict-append: true
    # Allow calls and assignments to be cuddled as long as the lines have any
    # matching variables, fields or types. Default is true.
    allow-assign-and-call: true
    # Allow multiline assignments to be cuddled. Default is true.
    allow-multiline-assign: true
    # Allow declarations (var) to be cuddled.
    allow-cuddle-declarations: false
    # Allow trailing comments in ending of blocks
    allow-trailing-comment: false
    # Force newlines in end of case at this limit (0 = never).
    force-case-trailing-whitespace: 0

linters:
  # please, do not use `enable-all`: it's deprecated and will be removed soon.
  # inverted configuration with `enable-all` and `disable` is not scalable during updates of golangci-lint
  disable-all: true
  enable:
    - bodyclose
    - copyloopvar
    - depguard
    - dogsled
    - dupl
    - errcheck
    - funlen
    - gocognit
    - goconst
    - gocritic
    - godox
    - gofmt
    - goimports
    - gosec
    - gosimple
    - govet
    - ineffassign
    - misspell
    - nakedret
    - revive
    - staticcheck
    - stylecheck
    - testifylint
    - typecheck
    - unconvert
    - unparam
    - unused
    - whitespace
  # don't enable:
  # - deadcode
  # - gochecknoglobals
  # - gochecknoinits
  # - gocyclo
  # - lll
  # - maligned
  # - prealloc
  # - varcheck

issues:
  # List of regexps of issue texts to exclude, empty list by default.
  # But independently from this option we use default exclude patterns,
  # it can be disabled by `exclude-use-default: false`. To list all
  # excluded by default patterns execute `golangci-lint run --help`
  # exclude:
  #   - abcdef

  # Excluding configuration per-path, per-linter, per-text and per-source
  exclude-rules:
    # Exclude some linters from running on tests files.
    - path: _test\.go
      linters:
        - gocyclo
        - errcheck
        - dupl
        - gosec
        - funlen

    # Exclude known linters from partially hard-vendored code,
    # which is impossible to exclude via "nolint" comments.
    # - path: internal/hmac/
    #   text: "weak cryptographic primitive"
    #   linters:
    #     - gosec

    # Exclude some staticcheck messages
    # - linters:
    #     - staticcheck
    #   text: "SA9003:"

    # Exclude lll issues for long lines with go:generate
    - linters:
        - lll
      source: "^//go:generate "

  # Independently from option `exclude` we use default exclude patterns,
  # it can be disabled by this option. To list all
  # excluded by default patterns execute `golangci-lint run --help`.
  # Default value for this option is true.
  exclude-use-default: false

  # Maximum issues count per one linter. Set to 0 to disable. Default is 50.
  max-issues-per-linter: 0

  # Maximum count of issues with the same text. Set to 0 to disable. Default is 3.
  max-same-issues: 0

  # Show only new issues: if there are unstaged changes or untracked files,
  # only those changes are analyzed, else only changes in HEAD~ are analyzed.
  # It's a super-useful option for integration of golangci-lint into existing
  # large codebase. It's not practical to fix all existing issues at the moment
  # of integration: much better don't allow issues in new code.
  # Default is false.
  new: false

  # Show only new issues created after git revision `REV`
  # This should be passed as flag during individual CI jobs.
  # new-from-rev: REV

  # Show only new issues created in git patch with set file path.
  # new-from-patch: path/to/patch/file