.golangci.yml

run:
  tests: true

linters:
  enable:
    - errcheck # Errcheck is a program for checking for unchecked errors in go programs. These unchecked errors can be critical bugs in some cases [fast: true, auto-fix: false]
    - govet # (vet, vetshadow): Vet examines Go source code and reports suspicious constructs, such as Printf calls whose arguments do not align with the format string [fast: true, auto-fix: false]
    - errcheck # Errcheck is a program for checking for unchecked errors in go programs. These unchecked errors can be critical bugs in some cases [fast: true, auto-fix: false]
    - staticcheck # Staticcheck is a go vet on steroids, applying a ton of static analysis checks [fast: false, auto-fix: false]
    - unused # Checks Go code for unused constants, variables, functions and types [fast: false, auto-fix: false]
    - gosimple # Linter for Go source code that specializes in simplifying a code [fast: false, auto-fix: false]
    - structcheck # Finds an unused struct fields [fast: true, auto-fix: false]
    - varcheck # Finds unused global variables and constants [fast: true, auto-fix: false]
    - ineffassign # Detects when assignments to existing variables are not used [fast: true, auto-fix: false]
    - deadcode # Finds unused code [fast: true, auto-fix: false]
    - typecheck # Like the front-end of a Go compiler, parses and type-checks Go code [fast: true,       auto-fix: false]
    - golint # Golint differs from gofmt. Gofmt reformats Go source code, whereas golint prints out style mistakes [fast: true, auto-fix: false]
    - gofmt # Gofmt checks whether code was gofmt-ed. By default this tool runs with -s option to check for code simplification [fast: true, auto-fix: true]

    # TODO(mbana): enable these in next PR
    # - gosec # Inspects source code for security problems [fast: true, auto-fix: false]
    - interfacer # Linter that suggests narrower interface types [fast: false, auto-fix: false]
    - unconvert # Remove unnecessary type conversions [fast: true, auto-fix: false]
    - dupl # Tool for code clone detection [fast: true, auto-fix: false]
    - goconst # Finds repeated strings that could be replaced by a constant [fast: true, auto-fix: false]

    - gocyclo # Computes and checks the cyclomatic complexity of functions [fast: true, auto-fix: false]
    - lll # Reports long lines [fast: true, auto-fix: false]
    - unparam # Reports unused function parameters [fast: false, auto-fix: false]
    - nakedret # Finds naked returns in functions greater than a specified function length [fast: true, auto-fix: false]
    - megacheck

    # TODO(mbana): enable these in next PR
    - prealloc # Finds slice declarations that could potentially be preallocated [fast: true, auto-fix: false]
    # - scopelint # Scopelint checks for unpinned variables in go programs [fast: true, auto-fix: false]
    - gocritic # The most opinionated Go source code linter [fast: true, auto-fix: false]
    # - gochecknoinits # Checks that no init functions are present in Go code [fast: true, auto-fix: false]
    - gochecknoglobals # Checks that no globals are present in Go code [fast: true, auto-fix: false]

  enable-all: false
  disable-all: true
  fast: false

# all available settings of specific linters
linters-settings:
  govet:
    # report about shadowed variables
    check-shadowing: true
  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: true
    # report about assignment of errors to blank identifier: `num, _ := strconv.Atoi(numStr)`;
    # default is false: such cases aren't reported by default.
    check-blank: true
  staticcheck:
    fast: true
  unused:
    fast: true
  gosimple:
    fast: true
  golint:
    # minimal confidence for issues, default is 0.8
    min-confidence: 1.0
  gofmt:
    # simplify code: gofmt with `-s` option, true by default
    simplify: true
  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: UK
  gocyclo:
    min-complexity: 13
  interfacer:
    fast: true
  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: 1024
    fast: true
  unparam:
    fast: true


  # see: https://github.com/golangci/golangci-lint/blob/master/.golangci.example.yml#L47
  #
  # 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

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

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

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

issues:
  # 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