.golangci.yml

# v1.57.2
# Please don't remove the first line. It's used in CI to determine the golangci version.
run:
  # Timeout for analysis, e.g. 30s, 5m.
  # Default: 1m
  timeout: 3m

issues:
  # 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

  # Disable the default error exclusions. See `golangci-lint run --help`. Some
  # of them are for missing comments, which we do want to gradually improve.
  # Any exclusion can be manually added below.
  exclude-use-default: false

  exclude-rules:
   # Exclude duplicate code and function length and complexity checking in test
   # files (due to common repeats and long functions in test code)
   - path: _(test|gen)\.go
     linters:
       - cyclop
       - dupl
       - funlen
       - gocognit
       - lll
       - wrapcheck

linters-settings:
  cyclop:
    max-complexity: 25
    package-average: 10.0
  dupl:
    threshold: 150
  errcheck:
    # Report about not checking of errors in type assertions: `a := b.(MyStruct)`.
    # Such cases aren't reported by default.
    # Default: false
    check-type-assertions: true
  exhaustive:
    default-signifies-exhaustive: true
    # Program elements to check for exhaustiveness.
    # Default: [ switch ]
    check:
      - switch
      - map
  forbidigo:
    forbid:
      - '^(fmt\\.Print(|f|ln)|print|println)$'
  funlen:
    lines: 80
    statements: 60
    ignore-comments: true
  goconst:
    min-len: 10
    min-occurrences: 4
  gomnd:
    # List of function patterns to exclude from analysis.
    # Values always ignored: `time.Date`,
    # `strconv.FormatInt`, `strconv.FormatUint`, `strconv.FormatFloat`,
    # `strconv.ParseInt`, `strconv.ParseUint`, `strconv.ParseFloat`.
    # Default: []
    ignored-functions:
      - flag.Arg
      - flag.Duration.*
      - flag.Float.*
      - flag.Int.*
      - flag.Uint.*
      - os.Chmod
      - os.Mkdir.*
      - os.OpenFile
      - os.WriteFile
  govet:
    # Enable all analyzers.
    # Default: false
    enable-all: true
    # Disable analyzers by name.
    # Run `go tool vet help` to see all analyzers.
    # Default: []
    disable:
      - fieldalignment # too strict
    # Settings per analyzer.
    settings:
      shadow:
        # Whether to be strict about shadowing; can be noisy.
        # Default: false
        strict: true
  lll:
    maxlength: 120
  maligned:
    suggest-new: true
  nolintlint:
    # Disable to ensure that nolint directives don't have a leading space.
    # Default: true.
    allow-leading-space: false
    # Exclude following linters from requiring an explanation.
    # Default: []
    allow-no-explanation: [ funlen, gocognit, lll ]
    # Enable to require an explanation of nonzero length after each nolint directive.
    # Default: false
    require-explanation: true
    # Enable to require nolint directives to mention the specific linter being suppressed.
    # Default: false
    require-specific: true
  tenv:
    # The option `all` will run against whole test files (`_test.go`) regardless of method/function signatures.
    # Otherwise, only methods that take `*testing.T`, `*testing.B`, and `testing.TB` as arguments are checked.
    # Default: false
    all: true
  wrapcheck:
    # An array of strings that specify globs of packages to ignore.
    # Default: []
    ignorePackageGlobs:
      - go.hackfix.me/disco/*

linters:
  # See list of supported linters: https://golangci-lint.run/usage/linters/
  # And list of linters we may want to enable:
  # https://gist.github.com/maratori/47a4d00457a92aa426dbd48a18776322
  disable-all: true
  enable:
    ## Enabled by default
    - errcheck # detects unchecked errors, which can be critical bugs in some cases
    - gosimple # specializes in simplifying code
    - govet # reports suspicious constructs, such as Printf calls whose arguments do not align with the format string
    - ineffassign # detects when assignments to existing variables are not used
    - staticcheck # is a go vet on steroids, applying a ton of static analysis checks
    - typecheck # like the front-end of a Go compiler, parses and type-checks Go code
    - unused # checks for unused constants, variables, functions and types

    ## Disabled by default
    - asasalint # checks for pass []any as any in variadic func(...any)
    - asciicheck # checks that your code does not contain non-ASCII identifiers
    - bidichk # checks for dangerous unicode character sequences
    - bodyclose # checks whether HTTP response body is closed successfully
    - contextcheck # check whether the function uses a non-inherited context
    - cyclop # checks function and package cyclomatic complexity
    - dogsled # checks assignments with too many blank identifiers (e.g. x, , , _, := f()).
    - dupl # detects duplicate code
    - durationcheck # checks for two durations multiplied together
    - errchkjson # checks types passed to the json encoding functions
    - errname # checks that sentinel errors are prefixed with the Err and error types are suffixed with the Error
    - errorlint # finds code that will cause problems with the error wrapping scheme introduced in Go 1.13
    - exhaustive # checks exhaustiveness of enum switch statements
    - exportloopref # checks for pointers to enclosing loop variables
    - forbidigo # forbids identifiers
    - forcetypeassert # finds forced type assertions
    - funlen # detects long functions
    - gocheckcompilerdirectives # validates go compiler directive comments (//go:)
    - gochecknoglobals # checks that no global variables exist
    - gocognit # computes and checks the cognitive complexity of functions
    - goconst # finds repeated strings that could be replaced by a constant
    - gocritic # provides diagnostics that check for bugs, performance and style issues
    - godot # checks if comments end in a period
    - gomnd # detects magic numbers
    - gofumpt # checks common formatting issues; stricter than gofmt
    - goimports # in addition to fixing imports, goimports also formats your code in the same style as gofmt
    - gomoddirectives # manages the use of 'replace', 'retract', and 'excludes' directives in go.mod
    - goprintffuncname # checks that printf-like functions are named with f at the end
    - gosec # inspects source code for security problems
    - importas # enforces consistent import aliases
    - interfacebloat # checks the number of methods inside an interface
    - ireturn # accept interfaces, return concrete types
    - lll # reports long lines
    - makezero # finds slice declarations with non-zero initial length
    - misspell # finds commonly misspelled English words in comments
    - nakedret # finds naked returns in functions greater than a specified function length
    - nestif # reports deeply nested if statements
    - nilerr # finds the code that returns nil even if it checks that the error is not nil
    - nilnil # checks that there is no simultaneous return of nil error and an invalid value
    - noctx # finds sending http request without context.Context
    - nolintlint # reports ill-formed or insufficient nolint directives
    - nosprintfhostport # checks for misuse of Sprintf to construct a host with port in a URL
    - prealloc # finds slice declarations that could potentially be preallocated
    - predeclared # finds code that shadows one of Go's predeclared identifiers
    - revive # fast, configurable, extensible, flexible, and beautiful linter for Go, drop-in replacement of golint
    - reassign # checks that package variables are not reassigned
    - rowserrcheck # checks whether Err of rows is checked successfully
    - sqlclosecheck # checks that sql.Rows and sql.Stmt are closed
    - stylecheck # is a replacement for golint
    - tenv # detects using os.Setenv instead of t.Setenv since Go1.17
    - tparallel # detects inappropriate usage of t.Parallel() method in your Go test codes
    - unconvert # removes unnecessary type conversions
    - unparam # reports unused function parameters
    - usestdlibvars # detects the possibility to use variables/constants from the Go standard library
    - wastedassign # finds wasted assignment statements
    - whitespace # detects leading and trailing whitespace
    - wrapcheck # checks that errors returned from external packages are wrapped

    ## Disabled
    #- exhaustruct # [too noisy] checks if all structure fields are initialized
    #- paralleltest # [too many false positives] detects missing usage of t.Parallel() method in your Go test

  fast: false