golangci-lint

Linters

To see a list of supported linters and which linters are enabled/disabled:

golangci-lint help linters

Enabled by Default

NameDescriptionPresetsAutoFixSince
errcheck ⚙️Errcheck is a program for checking for unchecked errors in Go code. These unchecked errors can be critical bugs in some cases.bugs, errorv1.0.0
gosimple ⚙️Linter for Go source code that specializes in simplifying code.stylev1.20.0
govet ⚙️Vet examines Go source code and reports suspicious constructs. It is roughly the same as 'go vet' and uses its passes.bugs, metalinterv1.0.0
ineffassignDetects when assignments to existing variables are not used.unusedv1.0.0
staticcheck ⚙️It's a set of rules from staticcheck. It's not the same thing as the staticcheck binary. The author of staticcheck doesn't support or approve the use of staticcheck as a library inside golangci-lint.bugs, metalinterv1.0.0
unused ⚙️Checks Go code for unused constants, variables, functions and types.unusedv1.20.0

Disabled by Default

NameDescriptionPresetsAutoFixSince
asasalint ⚙️Check for pass []any as any in variadic func(...any).bugs1.47.0
asciicheckChecks that all code identifiers does not have non-ASCII symbols in the name.bugs, stylev1.26.0
bidichk ⚙️Checks for dangerous unicode character sequences.bugs1.43.0
bodycloseChecks whether HTTP response body is closed successfully.performance, bugsv1.18.0
containedctxContainedctx is a linter that detects struct contained context.Context field.style1.44.0
contextcheckCheck whether the function uses a non-inherited context.bugsv1.43.0
copyloopvar ⚙️Copyloopvar is a linter detects places where loop variables are copied.stylev1.57.0
cyclop ⚙️Checks function and package cyclomatic complexity.complexityv1.37.0
deadcode The owner seems to have abandoned the linter. Replaced by unused.unusedv1.0.0
decorder ⚙️Check declaration order and count of types, constants, variables and functions.format, stylev1.44.0
depguard ⚙️Go linter that checks if package imports are in a list of acceptable packages.style, import, modulev1.4.0
dogsled ⚙️Checks assignments with too many blank identifiers (e.g. x, , , _, := f()).stylev1.19.0
dupl ⚙️Tool for code clone detection.stylev1.0.0
dupword ⚙️Checks for duplicate words in the source code.comment1.50.0
durationcheckCheck for two durations multiplied together.bugsv1.37.0
errchkjson ⚙️Checks types passed to the json encoding functions. Reports unsupported types and reports occations, where the check for the returned error can be omitted.bugs1.44.0
errnameChecks that sentinel errors are prefixed with the Err and error types are suffixed with the Error.stylev1.42.0
errorlint ⚙️Errorlint is a linter for that can be used to find code that will cause problems with the error wrapping scheme introduced in Go 1.13.bugs, errorv1.32.0
execinqueryExecinquery is a linter about query string checker in Query function which reads your Go src files and warning it finds.sqlv1.46.0
exhaustive ⚙️Check exhaustiveness of enum switch statements.bugsv1.28.0
exhaustivestruct The repository of the linter has been deprecated by the owner. Replaced by exhaustruct.style, testv1.32.0
exhaustruct ⚙️Checks if all structure fields are initialized.style, testv1.46.0
exportlooprefChecks for pointers to enclosing loop variables.bugsv1.28.0
forbidigo ⚙️Forbids identifiers.stylev1.34.0
forcetypeassertFinds forced type assertions.stylev1.38.0
funlen ⚙️Tool for detection of long functions.complexityv1.18.0
gci ⚙️Gci controls Go package import order and makes it always deterministic.format, importv1.30.0
ginkgolinter ⚙️Enforces standards of using ginkgo and gomega.stylev1.51.0
gocheckcompilerdirectivesChecks that go compiler directive comments (//go:) are valid.bugsv1.51.0
gochecknoglobalsCheck that no global variables exist

This analyzer checks for global variables and errors on any found.

A global variable is a variable declared in package scope and that can be read
and written to by any function within the package. Global variables can cause
side effects which are difficult to keep track of. A code in one function may
change the variables state while another unrelated chunk of code may be
effected by it.
stylev1.12.0
gochecknoinitsChecks that no init functions are present in Go code.stylev1.12.0
gochecksumtypeRun exhaustiveness checks on Go "sum types".bugsv1.55.0
gocognit ⚙️Computes and checks the cognitive complexity of functions.complexityv1.20.0
goconst ⚙️Finds repeated strings that could be replaced by a constant.stylev1.0.0
gocritic ⚙️Provides diagnostics that check for bugs, performance and style issues.
Extensible without recompilation through dynamic rules.
Dynamic rules are written declaratively with AST patterns, filters, report message and optional suggestion.
style, metalinterv1.12.0
gocyclo ⚙️Computes and checks the cyclomatic complexity of functions.complexityv1.0.0
godot ⚙️Check if comments end in a period.style, commentv1.25.0
godox ⚙️Tool for detection of FIXME, TODO and other comment keywords.style, commentv1.19.0
goerr113Go linter to check the errors handling expressions.style, errorv1.26.0
gofmt ⚙️Gofmt checks whether code was gofmt-ed. By default this tool runs with -s option to check for code simplification.formatv1.0.0
gofumpt ⚙️Gofumpt checks whether code was gofumpt-ed.formatv1.28.0
goheader ⚙️Checks is file header matches to pattern.stylev1.28.0
goimports ⚙️Check import statements are formatted according to the 'goimport' command. Reformat imports in autofix mode.format, importv1.20.0
golint The repository of the linter has been archived by the owner. Replaced by revive.stylev1.0.0
gomnd ⚙️An analyzer to detect magic numbers.stylev1.22.0
gomoddirectives ⚙️Manage the use of 'replace', 'retract', and 'excludes' directives in go.mod.style, modulev1.39.0
gomodguard ⚙️Allow and block list linter for direct Go module dependencies. This is different from depguard where there are different block types for example version constraints and module recommendations.style, import, modulev1.25.0
goprintffuncnameChecks that printf-like functions are named with f at the end.stylev1.23.0
gosec ⚙️Inspects source code for security problems.bugsv1.0.0
gosmopolitan ⚙️Report certain i18n/l10n anti-patterns in your Go codebase.bugsv1.53.0
grouper ⚙️Analyze expression groups.stylev1.44.0
ifshort The repository of the linter has been deprecated by the owner.stylev1.36.0
importas ⚙️Enforces consistent import aliases.stylev1.38.0
inamedparam ⚙️Reports interfaces with unnamed method parameters.stylev1.55.0
interfacebloat ⚙️A linter that checks the number of methods inside an interface.stylev1.49.0
interfacer The repository of the linter has been archived by the owner.stylev1.0.0
intrangeIntrange is a linter to find places where for loops could make use of an integer range.v1.57.0
ireturn ⚙️Accept Interfaces, Return Concrete Types.stylev1.43.0
lll ⚙️Reports long lines.stylev1.8.0
loggercheck ⚙️Checks key value pairs for common logger libraries (kitlog,klog,logr,zap).style, bugsv1.49.0
maintidx ⚙️Maintidx measures the maintainability index of each function.complexityv1.44.0
makezero ⚙️Finds slice declarations with non-zero initial length.style, bugsv1.34.0
maligned The repository of the linter has been archived by the owner. Replaced by govet 'fieldalignment'.performancev1.0.0
mirrorReports wrong mirror patterns of bytes/strings usage.stylev1.53.0
misspell ⚙️Finds commonly misspelled English words.style, commentv1.8.0
musttag ⚙️Enforce field tags in (un)marshaled structs.style, bugsv1.51.0
nakedret ⚙️Checks that functions with naked returns are not longer than a maximum size (can be zero).stylev1.19.0
nestif ⚙️Reports deeply nested if statements.complexityv1.25.0
nilerrFinds the code that returns nil even if it checks that the error is not nil.bugsv1.38.0
nilnil ⚙️Checks that there is no simultaneous return of nil error and an invalid value.stylev1.43.0
nlreturn ⚙️Nlreturn checks for a new line before return and branch statements to increase code clarity.stylev1.30.0
noctxFinds sending http request without context.Context.performance, bugsv1.28.0
nolintlint ⚙️Reports ill-formed or insufficient nolint directives.stylev1.26.0
nonamedreturns ⚙️Reports all named returns.stylev1.46.0
nosnakecase The repository of the linter has been deprecated by the owner. Replaced by revive 'var-naming'.stylev1.47.0
nosprintfhostportChecks for misuse of Sprintf to construct a host with port in a URL.stylev1.46.0
paralleltest ⚙️Detects missing usage of t.Parallel() method in your Go test.style, testv1.33.0
perfsprint ⚙️Checks that fmt.Sprintf can be replaced with a faster alternative.performancev1.55.0
prealloc ⚙️Finds slice declarations that could potentially be pre-allocated.performancev1.19.0
predeclared ⚙️Find code that shadows one of Go's predeclared identifiers.stylev1.35.0
promlinter ⚙️Check Prometheus metrics naming via promlint.stylev1.40.0
protogetter ⚙️Reports direct reads from proto message fields when getters should be used.bugsv1.55.0
reassign ⚙️Checks that package variables are not reassigned.bugs1.49.0
revive ⚙️Fast, configurable, extensible, flexible, and beautiful linter for Go. Drop-in replacement of golint.style, metalinterv1.37.0
rowserrcheck ⚙️Checks whether Rows.Err of rows is checked successfully.bugs, sqlv1.23.0
scopelint The repository of the linter has been deprecated by the owner. Replaced by exportloopref.bugsv1.12.0
sloglint ⚙️Ensure consistent code style when using log/slog.style, formatv1.55.0
spancheck ⚙️Checks for mistakes with OpenTelemetry/Census spans.bugsv1.56.0
sqlclosecheckChecks that sql.Rows, sql.Stmt, sqlx.NamedStmt, pgx.Query are closed.bugs, sqlv1.28.0
structcheck The owner seems to have abandoned the linter. Replaced by unused.unusedv1.0.0
stylecheck ⚙️Stylecheck is a replacement for golint.stylev1.20.0
tagalign ⚙️Check that struct tags are well aligned.style, formatv1.53.0
tagliatelle ⚙️Checks the struct tags.stylev1.40.0
tenv ⚙️Tenv is analyzer that detects using os.Setenv instead of t.Setenv since Go1.17.stylev1.43.0
testableexamplesLinter checks if examples are testable (have an expected output).testv1.50.0
testifylint ⚙️Checks usage of github.com/stretchr/testify.test, bugsv1.55.0
testpackage ⚙️Linter that makes you use a separate _test package.style, testv1.25.0
thelper ⚙️Thelper detects tests helpers which is not start with t.Helper() method.stylev1.34.0
tparallelTparallel detects inappropriate usage of t.Parallel() method in your Go test codes.style, testv1.32.0
unconvertRemove unnecessary type conversions.stylev1.0.0
unparam ⚙️Reports unused function parameters.unusedv1.9.0
usestdlibvars ⚙️A linter that detect the possibility to use variables/constants from the Go standard library.stylev1.48.0
varcheck The owner seems to have abandoned the linter. Replaced by unused.unusedv1.0.0
varnamelen ⚙️Checks that the length of a variable's name matches its scope.stylev1.43.0
wastedassignFinds wasted assignment statements.stylev1.38.0
whitespace ⚙️Whitespace is a linter that checks for unnecessary newlines at the start and end of functions, if, for, etc.stylev1.19.0
wrapcheck ⚙️Checks that errors returned from external packages are wrapped.style, errorv1.32.0
wsl ⚙️Add or remove empty lines.stylev1.20.0
zerologlintDetects the wrong usage of zerolog that a user forgets to dispatch with Send or Msg.bugsv1.53.0

Linters Configuration

asasalint

Check for pass []any as any in variadic func(...any).

linters-settings:
asasalint:
# To specify a set of function names to exclude.
# The values are merged with the builtin exclusions.
# The builtin exclusions can be disabled by setting `use-builtin-exclusions` to `false`.
# Default: ["^(fmt|log|logger|t|)\.(Print|Fprint|Sprint|Fatal|Panic|Error|Warn|Warning|Info|Debug|Log)(|f|ln)$"]
exclude:
- Append
- \.Wrapf
# To enable/disable the asasalint builtin exclusions of function names.
# See the default value of `exclude` to get the builtin exclusions.
# Default: true
use-builtin-exclusions: false
# Ignore *_test.go files.
# Default: false
ignore-test: true

🔼

bidichk

Checks for dangerous unicode character sequences.

linters-settings:
bidichk:
# The following configurations check for all mentioned invisible unicode runes.
# All runes are enabled by default.
left-to-right-embedding: false
right-to-left-embedding: false
pop-directional-formatting: false
left-to-right-override: false
right-to-left-override: false
left-to-right-isolate: false
right-to-left-isolate: false
first-strong-isolate: false
pop-directional-isolate: false

🔼

copyloopvar

Copyloopvar is a linter detects places where loop variables are copied.

linters-settings:
copyloopvar:
# If true, ignore aliasing of loop variables.
# Default: false
ignore-alias: true

🔼

cyclop

Checks function and package cyclomatic complexity.

linters-settings:
cyclop:
# The maximal code complexity to report.
# Default: 10
max-complexity: 10
# The maximal average package complexity.
# If it's higher than 0.0 (float) the check is enabled
# Default: 0.0
package-average: 0.5
# Should ignore tests.
# Default: false
skip-tests: true

🔼

decorder

Check declaration order and count of types, constants, variables and functions.

linters-settings:
decorder:
# Required order of `type`, `const`, `var` and `func` declarations inside a file.
# Default: types before constants before variables before functions.
dec-order:
- type
- const
- var
- func
# If true, underscore vars (vars with "_" as the name) will be ignored at all checks
# Default: false (underscore vars are not ignored)
ignore-underscore-vars: false
# If true, order of declarations is not checked at all.
# Default: true (disabled)
disable-dec-order-check: false
# If true, `init` func can be anywhere in file (does not have to be declared before all other functions).
# Default: true (disabled)
disable-init-func-first-check: false
# If true, multiple global `type`, `const` and `var` declarations are allowed.
# Default: true (disabled)
disable-dec-num-check: false
# If true, type declarations will be ignored for dec num check
# Default: false (type statements are not ignored)
disable-type-dec-num-check: false
# If true, const declarations will be ignored for dec num check
# Default: false (const statements are not ignored)
disable-const-dec-num-check: false
# If true, var declarations will be ignored for dec num check
# Default: false (var statements are not ignored)
disable-var-dec-num-check: false

🔼

depguard

Go linter that checks if package imports are in a list of acceptable packages.

linters-settings:
depguard:
# Rules to apply.
#
# Variables:
# - File Variables
# you can still use and exclamation mark ! in front of a variable to say not to use it.
# Example !$test will match any file that is not a go test file.
#
# `$all` - matches all go files
# `$test` - matches all go test files
#
# - Package Variables
#
# `$gostd` - matches all of go's standard library (Pulled from `GOROOT`)
#
# Default: Only allow $gostd in all files.
rules:
# Name of a rule.
main:
# Used to determine the package matching priority.
# There are three different modes: `original`, `strict`, and `lax`.
# Default: "original"
list-mode: lax
# List of file globs that will match this list of settings to compare against.
# Default: $all
files:
- "!**/*_a _file.go"
# List of allowed packages.
allow:
- $gostd
- github.com/OpenPeeDeeP
# Packages that are not allowed where the value is a suggestion.
deny:
- pkg: "github.com/sirupsen/logrus"
desc: not allowed
- pkg: "github.com/pkg/errors"
desc: Should be replaced by standard lib errors package

🔼

dogsled

Checks assignments with too many blank identifiers (e.g. x, , , _, := f()).

linters-settings:
dogsled:
# Checks assignments with too many blank identifiers.
# Default: 2
max-blank-identifiers: 3

🔼

dupl

Tool for code clone detection.

linters-settings:
dupl:
# Tokens count to trigger issue.
# Default: 150
threshold: 100

🔼

dupword

Checks for duplicate words in the source code.

linters-settings:
dupword:
# Keywords for detecting duplicate words.
# If this list is not empty, only the words defined in this list will be detected.
# Default: []
keywords:
- "the"
- "and"
- "a"
# Keywords used to ignore detection.
# Default: []
ignore:
- "0C0C"

🔼

errcheck

Errcheck is a program for checking for unchecked errors in Go code. These unchecked errors can be critical bugs in some cases.

linters-settings:
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
# report about assignment of errors to blank identifier: `num, _ := strconv.Atoi(numStr)`.
# Such cases aren't reported by default.
# Default: false
check-blank: true
# 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.*
# To disable the errcheck built-in exclude list.
# See `-excludeonly` option in https://github.com/kisielk/errcheck#excluding-functions for details.
# Default: false
disable-default-exclusions: true
# DEPRECATED use exclude-functions instead.
#
# 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
# List of functions to exclude from checking, where each entry is a single function to exclude.
# See https://github.com/kisielk/errcheck#excluding-functions for details.
exclude-functions:
- io/ioutil.ReadFile
- io.Copy(*bytes.Buffer)
- io.Copy(os.Stdout)

🔼

errchkjson

Checks types passed to the json encoding functions. Reports unsupported types and reports occations, where the check for the returned error can be omitted.

linters-settings:
errchkjson:
# With check-error-free-encoding set to true, errchkjson does warn about errors
# from json encoding functions that are safe to be ignored,
# because they are not possible to happen.
#
# if check-error-free-encoding is set to true and errcheck linter is enabled,
# it is recommended to add the following exceptions to prevent from false positives:
#
# linters-settings:
# errcheck:
# exclude-functions:
# - encoding/json.Marshal
# - encoding/json.MarshalIndent
#
# Default: false
check-error-free-encoding: true
# Issue on struct encoding that doesn't have exported fields.
# Default: false
report-no-exported: false

🔼

errorlint

Errorlint is a linter for that can be used to find code that will cause problems with the error wrapping scheme introduced in Go 1.13.

linters-settings:
errorlint:
# Check whether fmt.Errorf uses the %w verb for formatting errors.
# See the https://github.com/polyfloyd/go-errorlint for caveats.
# Default: true
errorf: false
# Permit more than 1 %w verb, valid per Go 1.20 (Requires errorf:true)
# Default: true
errorf-multi: false
# Check for plain type assertions and type switches.
# Default: true
asserts: false
# Check for plain error comparisons.
# Default: true
comparison: false

🔼

exhaustive

Check exhaustiveness of enum switch statements.

linters-settings:
exhaustive:
# Program elements to check for exhaustiveness.
# Default: [ switch ]
check:
- switch
- map
# Check switch statements in generated files also.
# Default: false
check-generated: true
# Presence of "default" case in switch statements satisfies exhaustiveness,
# even if all enum members are not listed.
# Default: false
default-signifies-exhaustive: true
# Enum members matching the supplied regex do not have to be listed in
# switch statements to satisfy exhaustiveness.
# Default: ""
ignore-enum-members: "Example.+"
# Enum types matching the supplied regex do not have to be listed in
# switch statements to satisfy exhaustiveness.
# Default: ""
ignore-enum-types: "Example.+"
# Consider enums only in package scopes, not in inner scopes.
# Default: false
package-scope-only: true
# Only run exhaustive check on switches with "//exhaustive:enforce" comment.
# Default: false
explicit-exhaustive-switch: true
# Only run exhaustive check on map literals with "//exhaustive:enforce" comment.
# Default: false
explicit-exhaustive-map: true
# Switch statement requires default case even if exhaustive.
# Default: false
default-case-required: true

🔼

exhaustruct

Checks if all structure fields are initialized.

linters-settings:
exhaustruct:
# List of regular expressions to match struct packages and their names.
# Regular expressions must match complete canonical struct package/name/structname.
# If this list is empty, all structs are tested.
# Default: []
include:
- '.+\.Test'
- 'example\.com/package\.ExampleStruct[\d]{1,2}'
# List of regular expressions to exclude struct packages and their names from checks.
# Regular expressions must match complete canonical struct package/name/structname.
# Default: []
exclude:
- '.+/cobra\.Command$'

🔼

forbidigo

Forbids identifiers.

linters-settings:
forbidigo:
# Forbid the following identifiers (list of regexp).
# Default: ["^(fmt\\.Print(|f|ln)|print|println)$"]
forbid:
# Builtin function:
- ^print.*$
# Optional message that gets included in error reports.
- p: ^fmt\.Print.*$
msg: Do not commit print statements.
# Alternatively, put messages at the end of the regex, surrounded by `(# )?`
# Escape any special characters. Those messages get included in error reports.
- 'fmt\.Print.*(# Do not commit print statements\.)?'
# Forbid spew Dump, whether it is called as function or method.
# Depends on analyze-types below.
- ^spew\.(ConfigState\.)?Dump$
# The package name might be ambiguous.
# The full import path can be used as additional criteria.
# Depends on analyze-types below.
- p: ^v1.Dump$
pkg: ^example.com/pkg/api/v1$
# Exclude godoc examples from forbidigo checks.
# Default: true
exclude-godoc-examples: false
# Instead of matching the literal source code,
# use type information to replace expressions with strings that contain the package name
# and (for methods and fields) the type name.
# This makes it possible to handle import renaming and forbid struct fields and methods.
# Default: false
analyze-types: true

🔼

funlen

Tool for detection of long functions.

linters-settings:
funlen:
# Checks the number of lines in a function.
# If lower than 0, disable the check.
# Default: 60
lines: -1
# Checks the number of statements in a function.
# If lower than 0, disable the check.
# Default: 40
statements: -1
# Ignore comments when counting lines.
# Default false
ignore-comments: true

🔼

gci

Gci controls Go package import order and makes it always deterministic.

linters-settings:
gci:
# DEPRECATED: use `sections` and `prefix(github.com/org/project)` instead.
local-prefixes: github.com/org/project
# Section configuration to compare against.
# Section names are case-insensitive and may contain parameters in ().
# The default order of sections is `standard > default > custom > blank > dot > alias > localmodule`,
# If `custom-order` is `true`, it follows the order of `sections` option.
# Default: ["standard", "default"]
sections:
- standard # Standard section: captures all standard packages.
- default # Default section: contains all imports that could not be matched to another section type.
- prefix(github.com/org/project) # Custom section: groups all imports with the specified Prefix.
- blank # Blank section: contains all blank imports. This section is not present unless explicitly enabled.
- dot # Dot section: contains all dot imports. This section is not present unless explicitly enabled.
- alias # Alias section: contains all alias imports. This section is not present unless explicitly enabled.
- localmodule # Local module section: contains all local packages. This section is not present unless explicitly enabled.
# Skip generated files.
# Default: true
skip-generated: false
# Enable custom order of sections.
# If `true`, make the section order the same as the order of `sections`.
# Default: false
custom-order: true

🔼

ginkgolinter

Enforces standards of using ginkgo and gomega.

linters-settings:
ginkgolinter:
# Suppress the wrong length assertion warning.
# Default: false
suppress-len-assertion: true
# Suppress the wrong nil assertion warning.
# Default: false
suppress-nil-assertion: true
# Suppress the wrong error assertion warning.
# Default: false
suppress-err-assertion: true
# Suppress the wrong comparison assertion warning.
# Default: false
suppress-compare-assertion: true
# Suppress the function all in async assertion warning.
# Default: false
suppress-async-assertion: true
# Suppress warning for comparing values from different types, like int32 and uint32
# Default: false
suppress-type-compare-assertion: true
# Trigger warning for ginkgo focus containers like FDescribe, FContext, FWhen or FIt
# Default: false
forbid-focus-container: true
# Don't trigger warnings for HaveLen(0)
# Default: false
allow-havelen-zero: true

🔼

gocognit

Computes and checks the cognitive complexity of functions.

linters-settings:
gocognit:
# Minimal code complexity to report.
# Default: 30 (but we recommend 10-20)
min-complexity: 10

🔼

goconst

Finds repeated strings that could be replaced by a constant.

linters-settings:
goconst:
# Minimal length of string constant.
# Default: 3
min-len: 2
# Minimum occurrences of constant string count to trigger issue.
# Default: 3
min-occurrences: 2
# Ignore test files.
# Default: false
ignore-tests: true
# Look for existing constants matching the values.
# Default: true
match-constant: false
# Search also for duplicated numbers.
# Default: false
numbers: true
# Minimum value, only works with goconst.numbers
# Default: 3
min: 2
# Maximum value, only works with goconst.numbers
# Default: 3
max: 2
# Ignore when constant is not used as function argument.
# Default: true
ignore-calls: false
# Exclude strings matching the given regular expression.
# Default: ""
ignore-strings: 'foo.+'

🔼

gocritic

Provides diagnostics that check for bugs, performance and style issues.
Extensible without recompilation through dynamic rules.
Dynamic rules are written declaratively with AST patterns, filters, report message and optional suggestion.

linters-settings:
gocritic:
# Disable all checks.
# Default: false
disable-all: true
# Which checks should be enabled in addition to default checks; can't be combined with 'disabled-checks'.
# By default, list of stable checks is used (https://go-critic.github.io/overview#checks-overview):
# appendAssign, argOrder, assignOp, badCall, badCond, captLocal, caseOrder, codegenComment, commentFormatting,
# defaultCaseOrder, deprecatedComment, dupArg, dupBranchBody, dupCase, dupSubExpr, elseif, exitAfterDefer,
# flagDeref, flagName, ifElseChain, mapKey, newDeref, offBy1, regexpMust, singleCaseSwitch, sloppyLen,
# sloppyTypeAssert, switchTrue, typeSwitchVar, underef, unlambda, unslice, valSwap, wrapperFunc
# To see which checks are enabled run `GL_DEBUG=gocritic golangci-lint run --enable=gocritic`.
enabled-checks:
- nestingReduce
- unnamedResult
- ruleguard
- truncateCmp
# Enable all checks.
# Default: false
enable-all: true
# Which checks should be disabled; can't be combined with 'enabled-checks'.
# Default: []
disabled-checks:
- regexpMust
# Enable multiple checks by tags in addition to default checks.
# Run `GL_DEBUG=gocritic golangci-lint run --enable=gocritic` to see all tags and checks.
# See https://github.com/go-critic/go-critic#usage -> section "Tags".
# Default: []
enabled-tags:
- diagnostic
- style
- performance
- experimental
- opinionated
disabled-tags:
- diagnostic
- style
- performance
- experimental
- opinionated
# Settings passed to gocritic.
# The settings key is the name of a supported gocritic checker.
# The list of supported checkers can be find in https://go-critic.github.io/overview.
settings:
# Must be valid enabled check name.
captLocal:
# Whether to restrict checker to params only.
# Default: true
paramsOnly: false
commentedOutCode:
# Min length of the comment that triggers a warning.
# Default: 15
minLength: 50
elseif:
# Whether to skip balanced if-else pairs.
# Default: true
skipBalanced: false
hugeParam:
# Size in bytes that makes the warning trigger.
# Default: 80
sizeThreshold: 70
ifElseChain:
# Min number of if-else blocks that makes the warning trigger.
# Default: 2
minThreshold: 4
nestingReduce:
# Min number of statements inside a branch to trigger a warning.
# Default: 5
bodyWidth: 4
rangeExprCopy:
# Size in bytes that makes the warning trigger.
# Default: 512
sizeThreshold: 516
# Whether to check test functions
# Default: true
skipTestFuncs: false
rangeValCopy:
# Size in bytes that makes the warning trigger.
# Default: 128
sizeThreshold: 32
# Whether to check test functions.
# Default: true
skipTestFuncs: false
ruleguard:
# Enable debug to identify which 'Where' condition was rejected.
# The value of the parameter is the name of a function in a ruleguard file.
#
# When a rule is evaluated:
# If:
# The Match() clause is accepted; and
# One of the conditions in the Where() clause is rejected,
# Then:
# ruleguard prints the specific Where() condition that was rejected.
#
# The option is passed to the ruleguard 'debug-group' argument.
# Default: ""
debug: 'emptyDecl'
# Deprecated, use 'failOn' param.
# If set to true, identical to failOn='all', otherwise failOn=''
failOnError: false
# Determines the behavior when an error occurs while parsing ruleguard files.
# If flag is not set, log error and skip rule files that contain an error.
# If flag is set, the value must be a comma-separated list of error conditions.
# - 'all': fail on all errors.
# - 'import': ruleguard rule imports a package that cannot be found.
# - 'dsl': gorule file does not comply with the ruleguard DSL.
# Default: ""
failOn: dsl
# Comma-separated list of file paths containing ruleguard rules.
# If a path is relative, it is relative to the directory where the golangci-lint command is executed.
# The special '${configDir}' variable is substituted with the absolute directory containing the golangci config file.
# Glob patterns such as 'rules-*.go' may be specified.
# Default: ""
rules: '${configDir}/ruleguard/rules-*.go,${configDir}/myrule1.go'
# Comma-separated list of enabled groups or skip empty to enable everything.
# Tags can be defined with # character prefix.
# Default: "<all>"
enable: "myGroupName,#myTagName"
# Comma-separated list of disabled groups or skip empty to enable everything.
# Tags can be defined with # character prefix.
# Default: ""
disable: "myGroupName,#myTagName"
tooManyResultsChecker:
# Maximum number of results.
# Default: 5
maxResults: 10
truncateCmp:
# Whether to skip int/uint/uintptr types.
# Default: true
skipArchDependent: false
underef:
# Whether to skip (*x).method() calls where x is a pointer receiver.
# Default: true
skipRecvDeref: false
unnamedResult:
# Whether to check exported functions.
# Default: false
checkExported: true

🔼

gocyclo

Computes and checks the cyclomatic complexity of functions.

linters-settings:
gocyclo:
# Minimal code complexity to report.
# Default: 30 (but we recommend 10-20)
min-complexity: 10

🔼

godot

Check if comments end in a period.

linters-settings:
godot:
# Comments to be checked: `declarations`, `toplevel`, or `all`.
# Default: declarations
scope: toplevel
# List of regexps for excluding particular comment lines from check.
# Default: []
exclude:
# Exclude todo and fixme comments.
- "^fixme:"
- "^todo:"
# Check that each sentence ends with a period.
# Default: true
period: false
# Check that each sentence starts with a capital letter.
# Default: false
capital: true

🔼

godox

Tool for detection of FIXME, TODO and other comment keywords.

linters-settings:
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.
# Default: ["TODO", "BUG", "FIXME"]
keywords:
- NOTE
- OPTIMIZE # marks code that should be optimized before merging
- HACK # marks hack-around that should be removed before merging

🔼

gofmt

Gofmt checks whether code was gofmt-ed. By default this tool runs with -s option to check for code simplification.

linters-settings:
gofmt:
# Simplify code: gofmt with `-s` option.
# Default: true
simplify: false
# Apply the rewrite rules to the source before reformatting.
# https://pkg.go.dev/cmd/gofmt
# Default: []
rewrite-rules:
- pattern: 'interface{}'
replacement: 'any'
- pattern: 'a[b:len(a)]'
replacement: 'a[b:]'

🔼

gofumpt

Gofumpt checks whether code was gofumpt-ed.

linters-settings:
gofumpt:
# Deprecated: use the global `run.go` instead.
lang-version: "1.17"
# Module path which contains the source code being formatted.
# Default: ""
module-path: github.com/org/project
# Choose whether to use the extra rules.
# Default: false
extra-rules: true

🔼

goheader

Checks is file header matches to pattern.

linters-settings:
goheader:
# Supports two types 'const` and `regexp`.
# Values can be used recursively.
# Default: {}
values:
const:
# Define here const type values in format k:v.
# For example:
COMPANY: MY COMPANY
regexp:
# Define here regexp type values.
# for example:
AUTHOR: .*@mycompany\.com
# The template use for checking.
# Default: ""
template: |-
# Put here copyright header template for source code files
# For example:
# Note: {{ YEAR }} is a builtin value that returns the year relative to the current machine time.
#
# {{ AUTHOR }} {{ COMPANY }} {{ YEAR }}
# SPDX-License-Identifier: Apache-2.0
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at:
# http://www.apache.org/licenses/LICENSE-2.0
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# As alternative of directive 'template', you may put the path to file with the template source.
# Useful if you need to load the template from a specific file.
# Default: ""
template-path: /path/to/my/template.tmpl

🔼

goimports

Check import statements are formatted according to the 'goimport' command. Reformat imports in autofix mode.

linters-settings:
goimports:
# A comma-separated list of prefixes, which, if set, checks import paths
# with the given prefixes are grouped after 3rd-party packages.
# Default: ""
local-prefixes: github.com/org/project

🔼

gomnd

An analyzer to detect magic numbers.

linters-settings:
gomnd:
# List of enabled checks, see https://github.com/tommy-muehle/go-mnd/#checks for description.
# Default: ["argument", "case", "condition", "operation", "return", "assign"]
checks:
- argument
- case
- condition
- operation
- return
- assign
# List of numbers to exclude from analysis.
# The numbers should be written as string.
# Values always ignored: "1", "1.0", "0" and "0.0"
# Default: []
ignored-numbers:
- '0666'
- '0755'
- '42'
# List of file patterns to exclude from analysis.
# Values always ignored: `.+_test.go`
# Default: []
ignored-files:
- 'magic1_.+\.go$'
# List of function patterns to exclude from analysis.
# Following functions are always ignored: `time.Date`,
# `strconv.FormatInt`, `strconv.FormatUint`, `strconv.FormatFloat`,
# `strconv.ParseInt`, `strconv.ParseUint`, `strconv.ParseFloat`.
# Default: []
ignored-functions:
- '^math\.'
- '^http\.StatusText$'

🔼

gomoddirectives

Manage the use of 'replace', 'retract', and 'excludes' directives in go.mod.

linters-settings:
gomoddirectives:
# Allow local `replace` directives.
# Default: false
replace-local: false
# List of allowed `replace` directives.
# Default: []
replace-allow-list:
- launchpad.net/gocheck
# Allow to not explain why the version has been retracted in the `retract` directives.
# Default: false
retract-allow-no-explanation: false
# Forbid the use of the `exclude` directives.
# Default: false
exclude-forbidden: false

🔼

gomodguard

Allow and block list linter for direct Go module dependencies. This is different from depguard where there are different block types for example version constraints and module recommendations.

linters-settings:
gomodguard:
allowed:
# List of allowed modules.
# Default: []
modules:
- gopkg.in/yaml.v2
# List of allowed module domains.
# Default: []
domains:
- golang.org
blocked:
# List of blocked modules.
# Default: []
modules:
# Blocked module.
- github.com/uudashr/go-module:
# Recommended modules that should be used instead. (Optional)
recommendations:
- golang.org/x/mod
# Reason why the recommended module should be used. (Optional)
reason: "`mod` is the official go.mod parser library."
# List of blocked module version constraints.
# Default: []
versions:
# Blocked module with version constraint.
- github.com/mitchellh/go-homedir:
# Version constraint, see https://github.com/Masterminds/semver#basic-comparisons.
version: "< 1.1.0"
# Reason why the version constraint exists. (Optional)
reason: "testing if blocked version constraint works."
# Set to true to raise lint issues for packages that are loaded from a local path via replace directive.
# Default: false
local_replace_directives: false

🔼

gosimple

Linter for Go source code that specializes in simplifying code.

linters-settings:
gosimple:
# Deprecated: use the global `run.go` instead.
go: "1.15"
# Sxxxx checks in https://staticcheck.io/docs/configuration/options/#checks
# Default: ["*"]
checks: ["all"]

🔼

gosec

Inspects source code for security problems.

linters-settings:
gosec:
# To select a subset of rules to run.
# Available rules: https://github.com/securego/gosec#available-rules
# Default: [] - means include all rules
includes:
- G101 # Look for hard coded credentials
- G102 # Bind to all interfaces
- G103 # Audit the use of unsafe block
- G104 # Audit errors not checked
- G106 # Audit the use of ssh.InsecureIgnoreHostKey
- G107 # Url provided to HTTP request as taint input
- G108 # Profiling endpoint automatically exposed on /debug/pprof
- G109 # Potential Integer overflow made by strconv.Atoi result conversion to int16/32
- G110 # Potential DoS vulnerability via decompression bomb
- G111 # Potential directory traversal
- G112 # Potential slowloris attack
- G113 # Usage of Rat.SetString in math/big with an overflow (CVE-2022-23772)
- G114 # Use of net/http serve function that has no support for setting timeouts
- G201 # SQL query construction using format string
- G202 # SQL query construction using string concatenation
- G203 # Use of unescaped data in HTML templates
- G204 # Audit use of command execution
- G301 # Poor file permissions used when creating a directory
- G302 # Poor file permissions used with chmod
- G303 # Creating tempfile using a predictable path
- G304 # File path provided as taint input
- G305 # File traversal when extracting zip/tar archive
- G306 # Poor file permissions used when writing to a new file
- G307 # Poor file permissions used when creating a file with os.Create
- G401 # Detect the usage of DES, RC4, MD5 or SHA1
- G402 # Look for bad TLS connection settings
- G403 # Ensure minimum RSA key length of 2048 bits
- G404 # Insecure random number source (rand)
- G501 # Import blocklist: crypto/md5
- G502 # Import blocklist: crypto/des
- G503 # Import blocklist: crypto/rc4
- G504 # Import blocklist: net/http/cgi
- G505 # Import blocklist: crypto/sha1
- G601 # Implicit memory aliasing of items from a range statement
- G602 # Slice access out of bounds
# To specify a set of rules to explicitly exclude.
# Available rules: https://github.com/securego/gosec#available-rules
# Default: []
excludes:
- G101 # Look for hard coded credentials
- G102 # Bind to all interfaces
- G103 # Audit the use of unsafe block
- G104 # Audit errors not checked
- G106 # Audit the use of ssh.InsecureIgnoreHostKey
- G107 # Url provided to HTTP request as taint input
- G108 # Profiling endpoint automatically exposed on /debug/pprof
- G109 # Potential Integer overflow made by strconv.Atoi result conversion to int16/32
- G110 # Potential DoS vulnerability via decompression bomb
- G111 # Potential directory traversal
- G112 # Potential slowloris attack
- G113 # Usage of Rat.SetString in math/big with an overflow (CVE-2022-23772)
- G114 # Use of net/http serve function that has no support for setting timeouts
- G201 # SQL query construction using format string
- G202 # SQL query construction using string concatenation
- G203 # Use of unescaped data in HTML templates
- G204 # Audit use of command execution
- G301 # Poor file permissions used when creating a directory
- G302 # Poor file permissions used with chmod
- G303 # Creating tempfile using a predictable path
- G304 # File path provided as taint input
- G305 # File traversal when extracting zip/tar archive
- G306 # Poor file permissions used when writing to a new file
- G307 # Poor file permissions used when creating a file with os.Create
- G401 # Detect the usage of DES, RC4, MD5 or SHA1
- G402 # Look for bad TLS connection settings
- G403 # Ensure minimum RSA key length of 2048 bits
- G404 # Insecure random number source (rand)
- G501 # Import blocklist: crypto/md5
- G502 # Import blocklist: crypto/des
- G503 # Import blocklist: crypto/rc4
- G504 # Import blocklist: net/http/cgi
- G505 # Import blocklist: crypto/sha1
- G601 # Implicit memory aliasing of items from a range statement
- G602 # Slice access out of bounds
# Exclude generated files
# Default: false
exclude-generated: true
# Filter out the issues with a lower severity than the given value.
# Valid options are: low, medium, high.
# Default: low
severity: medium
# Filter out the issues with a lower confidence than the given value.
# Valid options are: low, medium, high.
# Default: low
confidence: medium
# Concurrency value.
# Default: the number of logical CPUs usable by the current process.
concurrency: 12
# To specify the configuration of rules.
config:
# Globals are applicable to all rules.
global:
# If true, ignore #nosec in comments (and an alternative as well).
# Default: false
nosec: true
# Add an alternative comment prefix to #nosec (both will work at the same time).
# Default: ""
"#nosec": "#my-custom-nosec"
# Define whether nosec issues are counted as finding or not.
# Default: false
show-ignored: true
# Audit mode enables addition checks that for normal code analysis might be too nosy.
# Default: false
audit: true
G101:
# Regexp pattern for variables and constants to find.
# Default: "(?i)passwd|pass|password|pwd|secret|token|pw|apiKey|bearer|cred"
pattern: "(?i)example"
# If true, complain about all cases (even with low entropy).
# Default: false
ignore_entropy: false
# Maximum allowed entropy of the string.
# Default: "80.0"
entropy_threshold: "80.0"
# Maximum allowed value of entropy/string length.
# Is taken into account if entropy >= entropy_threshold/2.
# Default: "3.0"
per_char_threshold: "3.0"
# Calculate entropy for first N chars of the string.
# Default: "16"
truncate: "32"
# Additional functions to ignore while checking unhandled errors.
# Following functions always ignored:
# bytes.Buffer:
# - Write
# - WriteByte
# - WriteRune
# - WriteString
# fmt:
# - Print
# - Printf
# - Println
# - Fprint
# - Fprintf
# - Fprintln
# strings.Builder:
# - Write
# - WriteByte
# - WriteRune
# - WriteString
# io.PipeWriter:
# - CloseWithError
# hash.Hash:
# - Write
# os:
# - Unsetenv
# Default: {}
G104:
fmt:
- Fscanf
G111:
# Regexp pattern to find potential directory traversal.
# Default: "http\\.Dir\\(\"\\/\"\\)|http\\.Dir\\('\\/'\\)"
pattern: "custom\\.Dir\\(\\)"
# Maximum allowed permissions mode for os.Mkdir and os.MkdirAll
# Default: "0750"
G301: "0750"
# Maximum allowed permissions mode for os.OpenFile and os.Chmod
# Default: "0600"
G302: "0600"
# Maximum allowed permissions mode for os.WriteFile and ioutil.WriteFile
# Default: "0600"
G306: "0600"

🔼

gosmopolitan

Report certain i18n/l10n anti-patterns in your Go codebase.

linters-settings:
gosmopolitan:
# Allow and ignore `time.Local` usages.
#
# Default: false
allow-time-local: true
# List of fully qualified names in the `full/pkg/path.name` form, to act as "i18n escape hatches".
# String literals inside call-like expressions to, or struct literals of those names,
# are exempt from the writing system check.
#
# Default: []
escape-hatches:
- 'github.com/nicksnyder/go-i18n/v2/i18n.Message'
- 'example.com/your/project/i18n/markers.Raw'
- 'example.com/your/project/i18n/markers.OK'
- 'example.com/your/project/i18n/markers.TODO'
- 'command-line-arguments.Simple'
# Ignore test files.
#
# Default: true
ignore-tests: false
# List of Unicode scripts to watch for any usage in string literals.
# https://pkg.go.dev/unicode#pkg-variables
#
# Default: ["Han"]
watch-for-scripts:
- Devanagari
- Han
- Hangul
- Hiragana
- Katakana

🔼

govet

Vet examines Go source code and reports suspicious constructs. It is roughly the same as 'go vet' and uses its passes.

linters-settings:
govet:
# Report about shadowed variables.
# Default: false
check-shadowing: true
# Settings per analyzer.
settings:
# Analyzer name, run `go tool vet help` to see all analyzers.
printf:
# Comma-separated list of print function names to check (in addition to default, see `go tool vet help printf`).
# Default: []
funcs:
- (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
shadow:
# Whether to be strict about shadowing; can be noisy.
# Default: false
strict: true
unusedresult:
# Comma-separated list of functions whose results must be used
# (in addition to default:
# context.WithCancel, context.WithDeadline, context.WithTimeout, context.WithValue, errors.New, fmt.Errorf,
# fmt.Sprint, fmt.Sprintf, sort.Reverse
# ).
# Default: []
funcs:
- pkg.MyFunc
# Comma-separated list of names of methods of type func() string whose results must be used
# (in addition to default Error,String)
# Default: []
stringmethods:
- MyMethod
# Disable all analyzers.
# Default: false
disable-all: true
# Enable analyzers by name.
# (in addition to default:
# appends, asmdecl, assign, atomic, bools, buildtag, cgocall, composites, copylocks, defers, directive, errorsas,
# framepointer, httpresponse, ifaceassert, loopclosure, lostcancel, nilfunc, printf, shift, sigchanyzer, slog,
# stdmethods, stringintconv, structtag, testinggoroutine, tests, timeformat, unmarshal, unreachable, unsafeptr,
# unusedresult
# ).
# Run `go tool vet help` to see all analyzers.
# Default: []
enable:
- appends
- asmdecl
- assign
- atomic
- atomicalign
- bools
- buildtag
- cgocall
- composites
- copylocks
- deepequalerrors
- defers
- directive
- errorsas
- fieldalignment
- findcall
- framepointer
- httpresponse
- ifaceassert
- loopclosure
- lostcancel
- nilfunc
- nilness
- printf
- reflectvaluecompare
- shadow
- shift
- sigchanyzer
- slog
- sortslice
- stdmethods
- stringintconv
- structtag
- testinggoroutine
- tests
- unmarshal
- unreachable
- unsafeptr
- unusedresult
- unusedwrite
# Enable all analyzers.
# Default: false
enable-all: true
# Disable analyzers by name.
# (in addition to default
# atomicalign, deepequalerrors, fieldalignment, findcall, nilness, reflectvaluecompare, shadow, sortslice,
# timeformat, unusedwrite
# ).
# Run `go tool vet help` to see all analyzers.
# Default: []
disable:
- appends
- asmdecl
- assign
- atomic
- atomicalign
- bools
- buildtag
- cgocall
- composites
- copylocks
- deepequalerrors
- defers
- directive
- errorsas
- fieldalignment
- findcall
- framepointer
- httpresponse
- ifaceassert
- loopclosure
- lostcancel
- nilfunc
- nilness
- printf
- reflectvaluecompare
- shadow
- shift
- sigchanyzer
- slog
- sortslice
- stdmethods
- stringintconv
- structtag
- testinggoroutine
- tests
- unmarshal
- unreachable
- unsafeptr
- unusedresult
- unusedwrite

🔼

grouper

Analyze expression groups.

linters-settings:
grouper:
# Require the use of a single global 'const' declaration only.
# Default: false
const-require-single-const: true
# Require the use of grouped global 'const' declarations.
# Default: false
const-require-grouping: true
# Require the use of a single 'import' declaration only.
# Default: false
import-require-single-import: true
# Require the use of grouped 'import' declarations.
# Default: false
import-require-grouping: true
# Require the use of a single global 'type' declaration only.
# Default: false
type-require-single-type: true
# Require the use of grouped global 'type' declarations.
# Default: false
type-require-grouping: true
# Require the use of a single global 'var' declaration only.
# Default: false
var-require-single-var: true
# Require the use of grouped global 'var' declarations.
# Default: false
var-require-grouping: true

🔼

importas

Enforces consistent import aliases.

linters-settings:
importas:
# Do not allow unaliased imports of aliased packages.
# Default: false
no-unaliased: true
# Do not allow non-required aliases.
# Default: false
no-extra-aliases: true
# List of aliases
# Default: []
alias:
# Using `servingv1` alias for `knative.dev/serving/pkg/apis/serving/v1` package.
- pkg: knative.dev/serving/pkg/apis/serving/v1
alias: servingv1
# Using `autoscalingv1alpha1` alias for `knative.dev/serving/pkg/apis/autoscaling/v1alpha1` package.
- pkg: knative.dev/serving/pkg/apis/autoscaling/v1alpha1
alias: autoscalingv1alpha1
# You can specify the package path by regular expression,
# and alias by regular expression expansion syntax like below.
# see https://github.com/julz/importas#use-regular-expression for details
- pkg: knative.dev/serving/pkg/apis/(\w+)/(v[\w\d]+)
alias: $1$2

🔼

inamedparam

Reports interfaces with unnamed method parameters.

linters-settings:
inamedparam:
# Skips check for interface methods with only a single parameter.
# Default: false
skip-single-param: true

🔼

interfacebloat

A linter that checks the number of methods inside an interface.

linters-settings:
interfacebloat:
# The maximum number of methods allowed for an interface.
# Default: 10
max: 5

🔼

ireturn

Accept Interfaces, Return Concrete Types.

linters-settings:
ireturn:
# ireturn does not allow using `allow` and `reject` settings at the same time.
# Both settings are lists of the keywords and regular expressions matched to interface or package names.
# keywords:
# - `empty` for `interface{}`
# - `error` for errors
# - `stdlib` for standard library
# - `anon` for anonymous interfaces
# - `generic` for generic interfaces added in go 1.18
# By default, it allows using errors, empty interfaces, anonymous interfaces,
# and interfaces provided by the standard library.
allow:
- anon
- error
- empty
- stdlib
# You can specify idiomatic endings for interface
- (or|er)$
# reject-list of interfaces
reject:
- github.com\/user\/package\/v4\.Type

🔼

lll

Reports long lines.

linters-settings:
lll:
# Max line length, lines longer will be reported.
# '\t' is counted as 1 character by default, and can be changed with the tab-width option.
# Default: 120.
line-length: 120
# Tab width in spaces.
# Default: 1
tab-width: 1

🔼

loggercheck

Checks key value pairs for common logger libraries (kitlog,klog,logr,zap).

linters-settings:
loggercheck:
# Allow check for the github.com/go-kit/log library.
# Default: true
kitlog: false
# Allow check for the k8s.io/klog/v2 library.
# Default: true
klog: false
# Allow check for the github.com/go-logr/logr library.
# Default: true
logr: false
# Allow check for the "sugar logger" from go.uber.org/zap library.
# Default: true
zap: false
# Require all logging keys to be inlined constant strings.
# Default: false
require-string-key: true
# Require printf-like format specifier (%s, %d for example) not present.
# Default: false
no-printf-like: true
# List of custom rules to check against, where each rule is a single logger pattern, useful for wrapped loggers.
# For example: https://github.com/timonwong/loggercheck/blob/7395ab86595781e33f7afba27ad7b55e6956ebcd/testdata/custom-rules.txt
# Default: empty
rules:
- k8s.io/klog/v2.InfoS # package level exported functions
- (github.com/go-logr/logr.Logger).Error # "Methods"
- (*go.uber.org/zap.SugaredLogger).With # Also "Methods", but with a pointer receiver

🔼

maintidx

Maintidx measures the maintainability index of each function.

linters-settings:
maintidx:
# Show functions with maintainability index lower than N.
# A high index indicates better maintainability (it's kind of the opposite of complexity).
# Default: 20
under: 100

🔼

makezero

Finds slice declarations with non-zero initial length.

linters-settings:
makezero:
# Allow only slices initialized with a length of zero.
# Default: false
always: true

🔼

misspell

Finds commonly misspelled English words.

linters-settings:
misspell:
# Correct spellings using locale preferences for US or UK.
# Setting locale to US will correct the British spelling of 'colour' to 'color'.
# Default is to use a neutral variety of English.
locale: US
# Typos to ignore.
# Should be in lower case.
# Default: []
ignore-words:
- someword
# Extra word corrections.
# `typo` and `correction` should only contain letters.
# The words are case-insensitive.
# Default: []
extra-words:
- typo: "iff"
correction: "if"
- typo: "cancelation"
correction: "cancellation"
# Mode of the analysis:
# - default: checks all the file content.
# - restricted: checks only comments.
# Default: ""
mode: restricted

🔼

musttag

Enforce field tags in (un)marshaled structs.

linters-settings:
musttag:
# A set of custom functions to check in addition to the builtin ones.
# Default: json, xml, gopkg.in/yaml.v3, BurntSushi/toml, mitchellh/mapstructure, jmoiron/sqlx
functions:
# The full name of the function, including the package.
- name: github.com/hashicorp/hcl/v2/hclsimple.DecodeFile
# The struct tag whose presence should be ensured.
tag: hcl
# The position of the argument to check.
arg-pos: 2

🔼

nakedret

Checks that functions with naked returns are not longer than a maximum size (can be zero).

linters-settings:
nakedret:
# Make an issue if func has more lines of code than this setting, and it has naked returns.
# Default: 30
max-func-lines: 31

🔼

nestif

Reports deeply nested if statements.

linters-settings:
nestif:
# Minimal complexity of if statements to report.
# Default: 5
min-complexity: 4

🔼

nilnil

Checks that there is no simultaneous return of nil error and an invalid value.

linters-settings:
nilnil:
# Checks that there is no simultaneous return of `nil` error and an invalid value.
# Default: ["ptr", "func", "iface", "map", "chan"]
checked-types:
- ptr
- func
- iface
- map
- chan

🔼

nlreturn

Nlreturn checks for a new line before return and branch statements to increase code clarity.

linters-settings:
nlreturn:
# Size of the block (including return statement that is still "OK")
# so no return split required.
# Default: 1
block-size: 2

🔼

nolintlint

Reports ill-formed or insufficient nolint directives.

linters-settings:
nolintlint:
# Disable to ensure that all nolint directives actually have an effect.
# Default: false
allow-unused: true
# Exclude following linters from requiring an explanation.
# Default: []
allow-no-explanation: []
# 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

🔼

nonamedreturns

Reports all named returns.

linters-settings:
nonamedreturns:
# Report named error if it is assigned inside defer.
# Default: false
report-error-in-defer: true

🔼

paralleltest

Detects missing usage of t.Parallel() method in your Go test.

linters-settings:
paralleltest:
# Ignore missing calls to `t.Parallel()` and only report incorrect uses of it.
# Default: false
ignore-missing: true
# Ignore missing calls to `t.Parallel()` in subtests. Top-level tests are
# still required to have `t.Parallel`, but subtests are allowed to skip it.
# Default: false
ignore-missing-subtests: true

🔼

perfsprint

Checks that fmt.Sprintf can be replaced with a faster alternative.

linters-settings:
perfsprint:
# Optimizes even if it requires an int or uint type cast.
# Default: true
int-conversion: false
# Optimizes into `err.Error()` even if it is only equivalent for non-nil errors.
# Default: false
err-error: true
# Optimizes `fmt.Errorf`.
# Default: true
errorf: false
# Optimizes `fmt.Sprintf` with only one argument.
# Default: true
sprintf1: false
# Optimizes into strings concatenation.
# Default: true
strconcat: false

🔼

prealloc

Finds slice declarations that could potentially be pre-allocated.

linters-settings:
prealloc:
# IMPORTANT: we don't recommend using this linter before doing performance profiling.
# For most programs usage of prealloc will be a premature optimization.
# Report pre-allocation suggestions only on simple loops that have no returns/breaks/continues/gotos in them.
# Default: true
simple: false
# Report pre-allocation suggestions on range loops.
# Default: true
range-loops: false
# Report pre-allocation suggestions on for loops.
# Default: false
for-loops: true

🔼

predeclared

Find code that shadows one of Go's predeclared identifiers.

linters-settings:
predeclared:
# Comma-separated list of predeclared identifiers to not report on.
# Default: ""
ignore: "new,int"
# Include method names and field names (i.e., qualified names) in checks.
# Default: false
q: true

🔼

promlinter

Check Prometheus metrics naming via promlint.

linters-settings:
promlinter:
# Promlinter cannot infer all metrics name in static analysis.
# Enable strict mode will also include the errors caused by failing to parse the args.
# Default: false
strict: true
# Please refer to https://github.com/yeya24/promlinter#usage for detailed usage.
# Default: []
disabled-linters:
- Help
- MetricUnits
- Counter
- HistogramSummaryReserved
- MetricTypeInName
- ReservedChars
- CamelCase
- UnitAbbreviations

🔼

protogetter

Reports direct reads from proto message fields when getters should be used.

linters-settings:
protogetter:
# Skip files generated by specified generators from the checking.
# Checks only the file's initial comment, which must follow the format: "// Code generated by <generator-name>".
# Files generated by protoc-gen-go, protoc-gen-go-grpc, and protoc-gen-grpc-gateway are always excluded automatically.
# Default: []
skip-generated-by: ["protoc-gen-go-my-own-generator"]
# Skip files matching the specified glob pattern from the checking.
# Default: []
skip-files:
- "*.pb.go"
- "*/vendor/*"
- "/full/path/to/file.go"
# Skip any generated files from the checking.
# Default: false
skip-any-generated: true
# Skip first argument of append function.
# Default: false
replace-first-arg-in-append: true

🔼

reassign

Checks that package variables are not reassigned.

linters-settings:
reassign:
# Patterns for global variable names that are checked for reassignment.
# See https://github.com/curioswitch/go-reassign#usage
# Default: ["EOF", "Err.*"]
patterns:
- ".*"

🔼

revive

Fast, configurable, extensible, flexible, and beautiful linter for Go. Drop-in replacement of golint.

linters-settings:
revive:
# Maximum number of open files at the same time.
# See https://github.com/mgechev/revive#command-line-flags
# Defaults to unlimited.
max-open-files: 2048
# When set to false, ignores files with "GENERATED" header, similar to golint.
# See https://github.com/mgechev/revive#available-rules for details.
# Default: false
ignore-generated-header: true
# Sets the default severity.
# See https://github.com/mgechev/revive#configuration
# Default: warning
severity: error
# Enable all available rules.
# Default: false
enable-all-rules: true
# Sets the default failure confidence.
# This means that linting errors with less than 0.8 confidence will be ignored.
# Default: 0.8
confidence: 0.1
rules:
# https://github.com/mgechev/revive/blob/master/RULES_DESCRIPTIONS.md#add-constant
- name: add-constant
severity: warning
disabled: false
exclude: [""]
arguments:
- maxLitCount: "3"
allowStrs: '""'
allowInts: "0,1,2"
allowFloats: "0.0,0.,1.0,1.,2.0,2."
# https://github.com/mgechev/revive/blob/master/RULES_DESCRIPTIONS.md#argument-limit
- name: argument-limit
severity: warning
disabled: false
exclude: [""]
arguments: [4]
# https://github.com/mgechev/revive/blob/master/RULES_DESCRIPTIONS.md#atomic
- name: atomic
severity: warning
exclude: [""]
disabled: false
# https://github.com/mgechev/revive/blob/master/RULES_DESCRIPTIONS.md#banned-characters
- name: banned-characters
severity: warning
disabled: false
exclude: [""]
arguments: ["Ω", "Σ", "σ", "7"]
# https://github.com/mgechev/revive/blob/master/RULES_DESCRIPTIONS.md#bare-return
- name: bare-return
severity: warning
exclude: [""]
disabled: false
# https://github.com/mgechev/revive/blob/master/RULES_DESCRIPTIONS.md#blank-imports
- name: blank-imports
severity: warning
exclude: [""]
disabled: false
# https://github.com/mgechev/revive/blob/master/RULES_DESCRIPTIONS.md#bool-literal-in-expr
- name: bool-literal-in-expr
severity: warning
exclude: [""]
disabled: false
# https://github.com/mgechev/revive/blob/master/RULES_DESCRIPTIONS.md#call-to-gc
- name: call-to-gc
severity: warning
exclude: [""]
disabled: false
# https://github.com/mgechev/revive/blob/master/RULES_DESCRIPTIONS.md#cognitive-complexity
- name: cognitive-complexity
severity: warning
disabled: false
exclude: [""]
arguments: [7]
# https://github.com/mgechev/revive/blob/master/RULES_DESCRIPTIONS.md#comment-spacings
- name: comment-spacings
severity: warning
disabled: false
exclude: [""]
arguments:
- mypragma
- otherpragma
# https://github.com/mgechev/revive/blob/master/RULES_DESCRIPTIONS.md#confusing-naming
- name: confusing-naming
severity: warning
disabled: false
exclude: [""]
# https://github.com/mgechev/revive/blob/master/RULES_DESCRIPTIONS.md#confusing-results
- name: confusing-results
severity: warning
disabled: false
exclude: [""]
# https://github.com/mgechev/revive/blob/master/RULES_DESCRIPTIONS.md#constant-logical-expr
- name: constant-logical-expr
severity: warning
disabled: false
exclude: [""]
# https://github.com/mgechev/revive/blob/master/RULES_DESCRIPTIONS.md#context-as-argument
- name: context-as-argument
severity: warning
disabled: false
exclude: [""]
arguments:
- allowTypesBefore: "*testing.T,*github.com/user/repo/testing.Harness"
# https://github.com/mgechev/revive/blob/master/RULES_DESCRIPTIONS.md#context-keys-type
- name: context-keys-type
severity: warning
disabled: false
exclude: [""]
# https://github.com/mgechev/revive/blob/master/RULES_DESCRIPTIONS.md#cyclomatic
- name: cyclomatic
severity: warning
disabled: false
exclude: [""]
arguments: [3]
# https://github.com/mgechev/revive/blob/master/RULES_DESCRIPTIONS.md#datarace
- name: datarace
severity: warning
disabled: false
exclude: [""]
# https://github.com/mgechev/revive/blob/master/RULES_DESCRIPTIONS.md#deep-exit
- name: deep-exit
severity: warning
disabled: false
exclude: [""]
# https://github.com/mgechev/revive/blob/master/RULES_DESCRIPTIONS.md#defer
- name: defer
severity: warning
disabled: false
exclude: [""]
arguments:
- ["call-chain", "loop"]
# https://github.com/mgechev/revive/blob/master/RULES_DESCRIPTIONS.md#dot-imports
- name: dot-imports
severity: warning
disabled: false
exclude: [""]
# https://github.com/mgechev/revive/blob/master/RULES_DESCRIPTIONS.md#duplicated-imports
- name: duplicated-imports
severity: warning
disabled: false
exclude: [""]
# https://github.com/mgechev/revive/blob/master/RULES_DESCRIPTIONS.md#early-return
- name: early-return
severity: warning
disabled: false
exclude: [""]
arguments:
- "preserveScope"
# https://github.com/mgechev/revive/blob/master/RULES_DESCRIPTIONS.md#empty-block
- name: empty-block
severity: warning
disabled: false
exclude: [""]
# https://github.com/mgechev/revive/blob/master/RULES_DESCRIPTIONS.md#empty-lines
- name: empty-lines
severity: warning
disabled: false
exclude: [""]
# https://github.com/mgechev/revive/blob/master/RULES_DESCRIPTIONS.md#enforce-map-style
- name: enforce-map-style
severity: warning
disabled: false
exclude: [""]
arguments:
- "make"
# https://github.com/mgechev/revive/blob/master/RULES_DESCRIPTIONS.md#enforce-repeated-arg-type-style
- name: enforce-repeated-arg-type-style
severity: warning
disabled: false
exclude: [""]
arguments:
- "short"
# https://github.com/mgechev/revive/blob/master/RULES_DESCRIPTIONS.md#enforce-slice-style
- name: enforce-slice-style
severity: warning
disabled: false
exclude: [""]
arguments:
- "make"
# https://github.com/mgechev/revive/blob/master/RULES_DESCRIPTIONS.md#error-naming
- name: error-naming
severity: warning
disabled: false
exclude: [""]
# https://github.com/mgechev/revive/blob/master/RULES_DESCRIPTIONS.md#error-return
- name: error-return
severity: warning
disabled: false
exclude: [""]
# https://github.com/mgechev/revive/blob/master/RULES_DESCRIPTIONS.md#error-strings
- name: error-strings
severity: warning
disabled: false
exclude: [""]
# https://github.com/mgechev/revive/blob/master/RULES_DESCRIPTIONS.md#errorf
- name: errorf
severity: warning
disabled: false
exclude: [""]
# https://github.com/mgechev/revive/blob/master/RULES_DESCRIPTIONS.md#exported
- name: exported
severity: warning
disabled: false
exclude: [""]
arguments:
- "preserveScope"
- "checkPrivateReceivers"
- "sayRepetitiveInsteadOfStutters"
# https://github.com/mgechev/revive/blob/master/RULES_DESCRIPTIONS.md#file-header
- name: file-header
severity: warning
disabled: false
exclude: [""]
arguments:
- This is the text that must appear at the top of source files.
# https://github.com/mgechev/revive/blob/master/RULES_DESCRIPTIONS.md#flag-parameter
- name: flag-parameter
severity: warning
disabled: false
exclude: [""]
# https://github.com/mgechev/revive/blob/master/RULES_DESCRIPTIONS.md#function-result-limit
- name: function-result-limit
severity: warning
disabled: false
exclude: [""]
arguments: [2]
# https://github.com/mgechev/revive/blob/master/RULES_DESCRIPTIONS.md#function-length
- name: function-length
severity: warning
disabled: false
exclude: [""]
arguments: [10, 0]
# https://github.com/mgechev/revive/blob/master/RULES_DESCRIPTIONS.md#get-return
- name: get-return
severity: warning
disabled: false
exclude: [""]
# https://github.com/mgechev/revive/blob/master/RULES_DESCRIPTIONS.md#identical-branches
- name: identical-branches
severity: warning
disabled: false
exclude: [""]
# https://github.com/mgechev/revive/blob/master/RULES_DESCRIPTIONS.md#if-return
- name: if-return
severity: warning
disabled: false
exclude: [""]
# https://github.com/mgechev/revive/blob/master/RULES_DESCRIPTIONS.md#increment-decrement
- name: increment-decrement
severity: warning
disabled: false
exclude: [""]
# https://github.com/mgechev/revive/blob/master/RULES_DESCRIPTIONS.md#indent-error-flow
- name: indent-error-flow
severity: warning
disabled: false
exclude: [""]
arguments:
- "preserveScope"
# https://github.com/mgechev/revive/blob/master/RULES_DESCRIPTIONS.md#import-alias-naming
- name: import-alias-naming
severity: warning
disabled: false
exclude: [""]
arguments:
- "^[a-z][a-z0-9]{0,}$"
# https://github.com/mgechev/revive/blob/master/RULES_DESCRIPTIONS.md#imports-blocklist
- name: imports-blocklist
severity: warning
disabled: false
exclude: [""]
arguments:
- "crypto/md5"
- "crypto/sha1"
# https://github.com/mgechev/revive/blob/master/RULES_DESCRIPTIONS.md#import-shadowing
- name: import-shadowing
severity: warning
disabled: false
exclude: [""]
# https://github.com/mgechev/revive/blob/master/RULES_DESCRIPTIONS.md#line-length-limit
- name: line-length-limit
severity: warning
disabled: false
exclude: [""]
arguments: [80]
# https://github.com/mgechev/revive/blob/master/RULES_DESCRIPTIONS.md#max-control-nesting
- name: max-control-nesting
severity: warning
disabled: false
exclude: [""]
arguments: [3]
# https://github.com/mgechev/revive/blob/master/RULES_DESCRIPTIONS.md#max-public-structs
- name: max-public-structs
severity: warning
disabled: false
exclude: [""]
arguments: [3]
# https://github.com/mgechev/revive/blob/master/RULES_DESCRIPTIONS.md#modifies-parameter
- name: modifies-parameter
severity: warning
disabled: false
exclude: [""]
# https://github.com/mgechev/revive/blob/master/RULES_DESCRIPTIONS.md#modifies-value-receiver
- name: modifies-value-receiver
severity: warning
disabled: false
exclude: [""]
# https://github.com/mgechev/revive/blob/master/RULES_DESCRIPTIONS.md#nested-structs
- name: nested-structs
severity: warning
disabled: false
exclude: [""]
# https://github.com/mgechev/revive/blob/master/RULES_DESCRIPTIONS.md#optimize-operands-order
- name: optimize-operands-order
severity: warning
disabled: false
exclude: [""]
# https://github.com/mgechev/revive/blob/master/RULES_DESCRIPTIONS.md#package-comments
- name: package-comments
severity: warning
disabled: false
exclude: [""]
# https://github.com/mgechev/revive/blob/master/RULES_DESCRIPTIONS.md#range
- name: range
severity: warning
disabled: false
exclude: [""]
# https://github.com/mgechev/revive/blob/master/RULES_DESCRIPTIONS.md#range-val-in-closure
- name: range-val-in-closure
severity: warning
disabled: false
exclude: [""]
# https://github.com/mgechev/revive/blob/master/RULES_DESCRIPTIONS.md#range-val-address
- name: range-val-address
severity: warning
disabled: false
exclude: [""]
# https://github.com/mgechev/revive/blob/master/RULES_DESCRIPTIONS.md#receiver-naming
- name: receiver-naming
severity: warning
disabled: false
exclude: [""]
# https://github.com/mgechev/revive/blob/master/RULES_DESCRIPTIONS.md#redundant-import-alias
- name: redundant-import-alias
severity: warning
disabled: false
exclude: [""]
# https://github.com/mgechev/revive/blob/master/RULES_DESCRIPTIONS.md#redefines-builtin-id
- name: redefines-builtin-id
severity: warning
disabled: false
exclude: [""]
# https://github.com/mgechev/revive/blob/master/RULES_DESCRIPTIONS.md#string-of-int
- name: string-of-int
severity: warning
disabled: false
exclude: [""]
# https://github.com/mgechev/revive/blob/master/RULES_DESCRIPTIONS.md#string-format
- name: string-format
severity: warning
disabled: false
exclude: [""]
arguments:
- - 'core.WriteError[1].Message'
- '/^([^A-Z]|$)/'
- must not start with a capital letter
- - 'fmt.Errorf[0]'
- '/(^|[^\.!?])$/'
- must not end in punctuation
- - panic
- '/^[^\n]*$/'
- must not contain line breaks
# https://github.com/mgechev/revive/blob/master/RULES_DESCRIPTIONS.md#struct-tag
- name: struct-tag
arguments:
- "json,inline"
- "bson,outline,gnu"
severity: warning
disabled: false
exclude: [""]
# https://github.com/mgechev/revive/blob/master/RULES_DESCRIPTIONS.md#superfluous-else
- name: superfluous-else
severity: warning
disabled: false
exclude: [""]
arguments:
- "preserveScope"
# https://github.com/mgechev/revive/blob/master/RULES_DESCRIPTIONS.md#time-equal
- name: time-equal
severity: warning
disabled: false
exclude: [""]
# https://github.com/mgechev/revive/blob/master/RULES_DESCRIPTIONS.md#time-naming
- name: time-naming
severity: warning
disabled: false
exclude: [""]
# https://github.com/mgechev/revive/blob/master/RULES_DESCRIPTIONS.md#var-naming
- name: var-naming
severity: warning
disabled: false
exclude: [""]
arguments:
- ["ID"] # AllowList
- ["VM"] # DenyList
- - upperCaseConst: true
# https://github.com/mgechev/revive/blob/master/RULES_DESCRIPTIONS.md#var-declaration
- name: var-declaration
severity: warning
disabled: false
exclude: [""]
# https://github.com/mgechev/revive/blob/master/RULES_DESCRIPTIONS.md#unconditional-recursion
- name: unconditional-recursion
severity: warning
disabled: false
exclude: [""]
# https://github.com/mgechev/revive/blob/master/RULES_DESCRIPTIONS.md#unexported-naming
- name: unexported-naming
severity: warning
disabled: false
exclude: [""]
# https://github.com/mgechev/revive/blob/master/RULES_DESCRIPTIONS.md#unexported-return
- name: unexported-return
severity: warning
disabled: false
exclude: [""]
# https://github.com/mgechev/revive/blob/master/RULES_DESCRIPTIONS.md#unhandled-error
- name: unhandled-error
severity: warning
disabled: false
exclude: [""]
arguments:
- "fmt.Printf"
- "myFunction"
# https://github.com/mgechev/revive/blob/master/RULES_DESCRIPTIONS.md#unnecessary-stmt
- name: unnecessary-stmt
severity: warning
disabled: false
exclude: [""]
# https://github.com/mgechev/revive/blob/master/RULES_DESCRIPTIONS.md#unreachable-code
- name: unreachable-code
severity: warning
disabled: false
exclude: [""]
# https://github.com/mgechev/revive/blob/master/RULES_DESCRIPTIONS.md#unused-parameter
- name: unused-parameter
severity: warning
disabled: false
exclude: [""]
arguments:
- allowRegex: "^_"
# https://github.com/mgechev/revive/blob/master/RULES_DESCRIPTIONS.md#unused-receiver
- name: unused-receiver
severity: warning
disabled: false
exclude: [""]
arguments:
- allowRegex: "^_"
# https://github.com/mgechev/revive/blob/master/RULES_DESCRIPTIONS.md#useless-break
- name: useless-break
severity: warning
disabled: false
exclude: [""]
# https://github.com/mgechev/revive/blob/master/RULES_DESCRIPTIONS.md#waitgroup-by-value
- name: waitgroup-by-value
severity: warning
disabled: false
exclude: [""]

🔼

rowserrcheck

Checks whether Rows.Err of rows is checked successfully.

linters-settings:
rowserrcheck:
# database/sql is always checked
# Default: []
packages:
- github.com/jmoiron/sqlx

🔼

sloglint

Ensure consistent code style when using log/slog.

linters-settings:
sloglint:
# Enforce not mixing key-value pairs and attributes.
# Default: true
no-mixed-args: false
# Enforce using key-value pairs only (overrides no-mixed-args, incompatible with attr-only).
# Default: false
kv-only: true
# Enforce using attributes only (overrides no-mixed-args, incompatible with kv-only).
# Default: false
attr-only: true
# Enforce using methods that accept a context.
# Default: false
context-only: true
# Enforce using static values for log messages.
# Default: false
static-msg: true
# Enforce using constants instead of raw keys.
# Default: false
no-raw-keys: true
# Enforce a single key naming convention.
# Values: snake, kebab, camel, pascal
# Default: ""
key-naming-case: snake
# Enforce putting arguments on separate lines.
# Default: false
args-on-sep-lines: true

🔼

spancheck

Checks for mistakes with OpenTelemetry/Census spans.

linters-settings:
spancheck:
# Checks to enable.
# Options include:
# - `end`: check that `span.End()` is called
# - `record-error`: check that `span.RecordError(err)` is called when an error is returned
# - `set-status`: check that `span.SetStatus(codes.Error, msg)` is called when an error is returned
# Default: ["end"]
checks:
- end
- record-error
- set-status
# A list of regexes for function signatures that silence `record-error` and `set-status` reports
# if found in the call path to a returned error.
# https://github.com/jjti/go-spancheck#ignore-check-signatures
# Default: []
ignore-check-signatures:
- "telemetry.RecordError"

🔼

staticcheck

It's a set of rules from staticcheck. It's not the same thing as the staticcheck binary. The author of staticcheck doesn't support or approve the use of staticcheck as a library inside golangci-lint.

linters-settings:
staticcheck:
# Deprecated: use the global `run.go` instead.
go: "1.15"
# SAxxxx checks in https://staticcheck.io/docs/configuration/options/#checks
# Default: ["*"]
checks: ["all"]

🔼

stylecheck

Stylecheck is a replacement for golint.

linters-settings:
stylecheck:
# Deprecated: use the global `run.go` instead.
go: "1.15"
# STxxxx checks in https://staticcheck.io/docs/configuration/options/#checks
# Default: ["*"]
checks: ["all", "-ST1000", "-ST1003", "-ST1016", "-ST1020", "-ST1021", "-ST1022"]
# https://staticcheck.io/docs/configuration/options/#dot_import_whitelist
# Default: ["github.com/mmcloughlin/avo/build", "github.com/mmcloughlin/avo/operand", "github.com/mmcloughlin/avo/reg"]
dot-import-whitelist:
- fmt
# https://staticcheck.io/docs/configuration/options/#initialisms
# Default: ["ACL", "API", "ASCII", "CPU", "CSS", "DNS", "EOF", "GUID", "HTML", "HTTP", "HTTPS", "ID", "IP", "JSON", "QPS", "RAM", "RPC", "SLA", "SMTP", "SQL", "SSH", "TCP", "TLS", "TTL", "UDP", "UI", "GID", "UID", "UUID", "URI", "URL", "UTF8", "VM", "XML", "XMPP", "XSRF", "XSS", "SIP", "RTP", "AMQP", "DB", "TS"]
initialisms: ["ACL", "API", "ASCII", "CPU", "CSS", "DNS", "EOF", "GUID", "HTML", "HTTP", "HTTPS", "ID", "IP", "JSON", "QPS", "RAM", "RPC", "SLA", "SMTP", "SQL", "SSH", "TCP", "TLS", "TTL", "UDP", "UI", "GID", "UID", "UUID", "URI", "URL", "UTF8", "VM", "XML", "XMPP", "XSRF", "XSS", "SIP", "RTP", "AMQP", "DB", "TS"]
# https://staticcheck.io/docs/configuration/options/#http_status_code_whitelist
# Default: ["200", "400", "404", "500"]
http-status-code-whitelist: ["200", "400", "404", "500"]

🔼

tagalign

Check that struct tags are well aligned.

linters-settings:
tagalign:
# Align and sort can be used together or separately.
#
# Whether enable align. If true, the struct tags will be aligned.
# eg:
# type FooBar struct {
# Bar string `json:"bar" validate:"required"`
# FooFoo int8 `json:"foo_foo" validate:"required"`
# }
# will be formatted to:
# type FooBar struct {
# Bar string `json:"bar" validate:"required"`
# FooFoo int8 `json:"foo_foo" validate:"required"`
# }
# Default: true.
align: false
# Whether enable tags sort.
# If true, the tags will be sorted by name in ascending order.
# eg: `xml:"bar" json:"bar" validate:"required"` -> `json:"bar" validate:"required" xml:"bar"`
# Default: true
sort: false
# Specify the order of tags, the other tags will be sorted by name.
# This option will be ignored if `sort` is false.
# Default: []
order:
- json
- yaml
- yml
- toml
- mapstructure
- binding
- validate
# Whether enable strict style.
# In this style, the tags will be sorted and aligned in the dictionary order,
# and the tags with the same name will be aligned together.
# Note: This option will be ignored if 'align' or 'sort' is false.
# Default: false
strict: true

🔼

tagliatelle

Checks the struct tags.

linters-settings:
tagliatelle:
# Check the struct tag name case.
case:
# Use the struct field name to check the name of the struct tag.
# Default: false
use-field-name: true
# `camel` is used for `json` and `yaml`, and `header` is used for `header` (can be overridden)
# Default: {}
rules:
# Any struct tag type can be used.
# Support string case: `camel`, `pascal`, `kebab`, `snake`, `upperSnake`, `goCamel`, `goPascal`, `goKebab`, `goSnake`, `upper`, `lower`, `header`
json: camel
yaml: camel
xml: camel
bson: camel
avro: snake
mapstructure: kebab
env: upperSnake
envconfig: upperSnake

🔼

tenv

Tenv is analyzer that detects using os.Setenv instead of t.Setenv since Go1.17.

linters-settings:
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: false

🔼

testifylint

Checks usage of github.com/stretchr/testify.

linters-settings:
testifylint:
# Enable all checkers (https://github.com/Antonboom/testifylint#checkers).
# Default: false
enable-all: true
# Disable checkers by name
# (in addition to default
# suite-thelper
# ).
disable:
- blank-import
- bool-compare
- compares
- empty
- error-is-as
- error-nil
- expected-actual
- go-require
- float-compare
- len
- nil-compare
- require-error
- suite-dont-use-pkg
- suite-extra-assert-call
- suite-thelper
- useless-assert
# Disable all checkers (https://github.com/Antonboom/testifylint#checkers).
# Default: false
disable-all: true
# Enable checkers by name
# (in addition to default
# blank-import, bool-compare, compares, empty, error-is-as, error-nil, expected-actual, go-require, float-compare,
# len, nil-compare, require-error, suite-dont-use-pkg, suite-extra-assert-call, useless-assert
# ).
enable:
- blank-import
- bool-compare
- compares
- empty
- error-is-as
- error-nil
- expected-actual
- go-require
- float-compare
- len
- nil-compare
- require-error
- suite-dont-use-pkg
- suite-extra-assert-call
- suite-thelper
- useless-assert
bool-compare:
# To ignore user defined types (over builtin bool).
# Default: false
ignore-custom-types: true
expected-actual:
# Regexp for expected variable name.
# Default: (^(exp(ected)?|want(ed)?)([A-Z]\w*)?$)|(^(\w*[a-z])?(Exp(ected)?|Want(ed)?)$)
pattern: ^expected
require-error:
# Regexp for assertions to analyze. If defined, then only matched error assertions will be reported.
# Default: ""
fn-pattern: ^(Errorf?|NoErrorf?)$
suite-extra-assert-call:
# To require or remove extra Assert() call?
# Default: remove
mode: require

🔼

testpackage

Linter that makes you use a separate _test package.

linters-settings:
testpackage:
# Regexp pattern to skip files.
# Default: "(export|internal)_test\\.go"
skip-regexp: (export|internal)_test\.go
# List of packages that don't end with _test that tests are allowed to be in.
# Default: "main"
allow-packages:
- example
- main

🔼

thelper

Thelper detects tests helpers which is not start with t.Helper() method.

linters-settings:
thelper:
test:
# Check *testing.T is first param (or after context.Context) of helper function.
# Default: true
first: false
# Check *testing.T param has name t.
# Default: true
name: false
# Check t.Helper() begins helper function.
# Default: true
begin: false
benchmark:
# Check *testing.B is first param (or after context.Context) of helper function.
# Default: true
first: false
# Check *testing.B param has name b.
# Default: true
name: false
# Check b.Helper() begins helper function.
# Default: true
begin: false
tb:
# Check *testing.TB is first param (or after context.Context) of helper function.
# Default: true
first: false
# Check *testing.TB param has name tb.
# Default: true
name: false
# Check tb.Helper() begins helper function.
# Default: true
begin: false
fuzz:
# Check *testing.F is first param (or after context.Context) of helper function.
# Default: true
first: false
# Check *testing.F param has name f.
# Default: true
name: false
# Check f.Helper() begins helper function.
# Default: true
begin: false

🔼

usestdlibvars

A linter that detect the possibility to use variables/constants from the Go standard library.

linters-settings:
usestdlibvars:
# Suggest the use of http.MethodXX.
# Default: true
http-method: false
# Suggest the use of http.StatusXX.
# Default: true
http-status-code: false
# Suggest the use of time.Weekday.String().
# Default: true
time-weekday: true
# Suggest the use of time.Month.String().
# Default: false
time-month: true
# Suggest the use of time.Layout.
# Default: false
time-layout: true
# Suggest the use of crypto.Hash.String().
# Default: false
crypto-hash: true
# Suggest the use of rpc.DefaultXXPath.
# Default: false
default-rpc-path: true
# DEPRECATED Suggest the use of os.DevNull.
# Default: false
os-dev-null: true
# Suggest the use of sql.LevelXX.String().
# Default: false
sql-isolation-level: true
# Suggest the use of tls.SignatureScheme.String().
# Default: false
tls-signature-scheme: true
# Suggest the use of constant.Kind.String().
# Default: false
constant-kind: true
# DEPRECATED Suggest the use of syslog.Priority.
# Default: false
syslog-priority: true

🔼

unparam

Reports unused function parameters.

linters-settings:
unparam:
# Inspect exported functions.
#
# 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.
#
# Default: false
check-exported: true

🔼

unused

Checks Go code for unused constants, variables, functions and types.

linters-settings:
unused:
# Mark all struct fields that have been written to as used.
# Default: true
field-writes-are-uses: false
# Treat IncDec statement (e.g. `i++` or `i--`) as both read and write operation instead of just write.
# Default: false
post-statements-are-reads: true
# Mark all exported identifiers as used.
# Default: true
exported-is-used: false
# Mark all exported fields as used.
# default: true
exported-fields-are-used: false
# Mark all function parameters as used.
# default: true
parameters-are-used: false
# Mark all local variables as used.
# default: true
local-variables-are-used: false
# Mark all identifiers inside generated files as used.
# Default: true
generated-is-used: false

🔼

varnamelen

Checks that the length of a variable's name matches its scope.

linters-settings:
varnamelen:
# The longest distance, in source lines, that is being considered a "small scope".
# Variables used in at most this many lines will be ignored.
# Default: 5
max-distance: 6
# The minimum length of a variable's name that is considered "long".
# Variable names that are at least this long will be ignored.
# Default: 3
min-name-length: 2
# Check method receivers.
# Default: false
check-receiver: true
# Check named return values.
# Default: false
check-return: true
# Check type parameters.
# Default: false
check-type-param: true
# Ignore "ok" variables that hold the bool return value of a type assertion.
# Default: false
ignore-type-assert-ok: true
# Ignore "ok" variables that hold the bool return value of a map index.
# Default: false
ignore-map-index-ok: true
# Ignore "ok" variables that hold the bool return value of a channel receive.
# Default: false
ignore-chan-recv-ok: true
# Optional list of variable names that should be ignored completely.
# Default: []
ignore-names:
- err
# Optional list of variable declarations that should be ignored completely.
# Entries must be in one of the following forms (see below for examples):
# - for variables, parameters, named return values, method receivers, or type parameters:
# <name> <type> (<type> can also be a pointer/slice/map/chan/...)
# - for constants: const <name>
#
# Default: []
ignore-decls:
- c echo.Context
- t testing.T
- f *foo.Bar
- e error
- i int
- const C
- T any
- m map[string]int

🔼

whitespace

Whitespace is a linter that checks for unnecessary newlines at the start and end of functions, if, for, etc.

linters-settings:
whitespace:
# Enforces newlines (or comments) after every multi-line if statement.
# Default: false
multi-if: true
# Enforces newlines (or comments) after every multi-line function signature.
# Default: false
multi-func: true

🔼

wrapcheck

Checks that errors returned from external packages are wrapped.

linters-settings:
wrapcheck:
# An array of strings that specify substrings of signatures to ignore.
# If this set, it will override the default set of ignored signatures.
# See https://github.com/tomarrell/wrapcheck#configuration for more information.
# Default: [".Errorf(", "errors.New(", "errors.Unwrap(", "errors.Join(", ".Wrap(", ".Wrapf(", ".WithMessage(", ".WithMessagef(", ".WithStack("]
ignoreSigs:
- .Errorf(
- errors.New(
- errors.Unwrap(
- errors.Join(
- .Wrap(
- .Wrapf(
- .WithMessage(
- .WithMessagef(
- .WithStack(
# An array of strings that specify regular expressions of signatures to ignore.
# Default: []
ignoreSigRegexps:
- \.New.*Error\(
# An array of strings that specify globs of packages to ignore.
# Default: []
ignorePackageGlobs:
- encoding/*
- github.com/pkg/*
# An array of strings that specify regular expressions of interfaces to ignore.
# Default: []
ignoreInterfaceRegexps:
- ^(?i)c(?-i)ach(ing|e)

🔼

wsl

Add or remove empty lines.

linters-settings:
wsl:
# See https://github.com/bombsimon/wsl/blob/master/doc/configuration.md for documentation of available settings.
# These are the defaults for `golangci-lint`.
# Do strict checking when assigning from append (x = append(x, y)). If
# this is set to true - the append call must append either a variable
# assigned, called or used on the line above.
strict-append: true
# Allows assignments to be cuddled with variables used in calls on
# line above and calls to be cuddled with assignments of variables
# used in call on line above.
allow-assign-and-call: true
# Allows assignments to be cuddled with anything.
allow-assign-and-anything: false
# Allows cuddling to assignments even if they span over multiple lines.
allow-multiline-assign: true
# If the number of lines in a case block is equal to or lager than this
# number, the case *must* end white a newline.
force-case-trailing-whitespace: 0
# Allow blocks to end with comments.
allow-trailing-comment: false
# Allow multiple comments in the beginning of a block separated with newline.
allow-separated-leading-comment: false
# Allow multiple var/declaration statements to be cuddled.
allow-cuddle-declarations: false
# A list of call idents that everything can be cuddled with.
# Defaults to calls looking like locks.
allow-cuddle-with-calls: ["Lock", "RLock"]
# AllowCuddleWithRHS is a list of right hand side variables that is allowed
# to be cuddled with anything. Defaults to assignments or calls looking
# like unlocks.
allow-cuddle-with-rhs: ["Unlock", "RUnlock"]
# Causes an error when an If statement that checks an error variable doesn't
# cuddle with the assignment of that variable.
force-err-cuddling: false
# When force-err-cuddling is enabled this is a list of names
# used for error variables to check for in the conditional.
error-variable-names: ["err"]
# Causes an error if a short declaration (:=) cuddles with anything other than
# another short declaration.
# This logic overrides force-err-cuddling among others.
force-short-decl-cuddling: false

🔼

custom

linters-settings:
# The custom section can be used to define linter plugins to be loaded at runtime.
# See README documentation for more info.
custom:
# Each custom linter should have a unique name.
example:
# The path to the plugin *.so. Can be absolute or local.
# Required for each custom linter.
path: /path/to/example.so
# The description of the linter.
# Optional.
description: This is an example usage of a plugin linter.
# Intended to point to the repo location of the linter.
# Optional.
original-url: github.com/golangci/example-linter
# Plugins settings/configuration.
# Only work with plugin based on `linterdb.PluginConstructor`.
# Optional.
settings:
foo: bar

🔼

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