.golangci.yml

# This file contains all available 
# configuration options

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

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

  # 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:
    - jiva-lint

  # which dirs to skip i.e. they won't be analyzed;
  # can use regexp here 
  # e.g. generated.*, regexp is applied on full path;
  # default value is empty list, 
  #
  # but next dirs are always skipped independently
  # from this option's value
  # examples
  #   	vendor$, third_party$, testdata$, examples$, Godeps$, builtin$
  skip-dirs:
    - backup

  # which files to skip yet be analyzed, but issues
  # from them won't be reported
  #
  # Default value is empty list
  skip-files:
    - 

  # 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
  modules-download-mode:

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


# all available settings of specific linters
linters-settings:
  errcheck:
    # report about not checking of errors in type assetions
    # `a := b.(MyStruct)`
    # default is false
    check-type-assertions: false

    # report about assignment of errors to blank identifier
    # `num, _ := strconv.Atoi(numStr)`
    # default is false
    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.*

    # 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

  govet:
    # report about shadowed variables
    check-shadowing: true

    # 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

  golint:
    # minimal confidence for issues, default is 0.8
    min-confidence: 0.8

  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: 10

  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:
    list-type: blacklist
    include-go-root: false
    #packages:
    # - github.com/davecgh/go-spew/spew

  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:
      - someword

  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: 80
    # 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:
    #  - 

    # 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` 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

linters:
  enable:
    - megacheck
    - govet
  enable-all: false
  disable:
    - maligned
    - prealloc
  disable-all: false
  presets:
    - bugs
    - unused
  fast: false


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

    # 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-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: true

  # Show only new issues created after git revision `REV`
  #new-from-rev: REV

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