errcheck # Errcheck is a program for checking for unchecked errors in go programs. These unchecked errors can be critical bugs in some cases
gosimple # Linter for Go source code that specializes in simplifying a code
govet # Vet examines Go source code and 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 # Staticcheck is a go vet on steroids, applying a ton of static analysis checks
structcheck # Finds unused struct fields
typecheck # Like the front-end of a Go compiler, parses and type-checks Go code
unused # Checks Go code for unused constants, variables, functions and types
varcheck # Finds unused global variables and constants
disabled by default
asciicheck # Simple linter to check 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 the function whether use a non-inherited context
cyclop # checks function and package cyclomatic complexity
dupl # Tool for code clone detection
durationcheck # check for two durations multiplied together
errname # Checks that sentinel errors are prefixed with the Err and error types are suffixed with the Error.
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.
execinquery # execinquery is a linter about query string checker in Query function which reads your Go src files and warning it finds
exhaustive # check exhaustiveness of enum switch statements
exportloopref # checks for pointers to enclosing loop variables
forbidigo # Forbids identifiers
funlen # Tool for detection of long functions
gochecknoglobals # check that no global variables exist
gochecknoinits # Checks that no init functions are present in Go code
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.
gocyclo # Computes and checks the cyclomatic complexity of functions
godot # Check if comments end in a period
goimports # In addition to fixing imports, goimports also formats your code in the same style as gofmt.
gomnd # An analyzer to detect magic numbers.
gomoddirectives # Manage the use of 'replace', 'retract', and 'excludes' directives in go.mod.
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.
goprintffuncname # Checks that printf-like functions are named with f at the end
gosec # Inspects source code for security problems
lll # Reports long lines
makezero # Finds slice declarations with non-zero initial length
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 # noctx finds sending http request without context.Context
nolintlint # Reports ill-formed or insufficient nolint directives
nonamedreturns # Reports all named returns
nosprintfhostport # Checks for misuse of Sprintf to construct a host with port in a URL.
predeclared # find code that shadows one of Go's predeclared identifiers
promlinter # Check Prometheus metrics naming via promlint
revive # Fast, configurable, extensible, flexible, and beautiful linter for Go. Drop-in replacement of golint.
rowserrcheck # checks whether Err of rows is checked successfully
sqlclosecheck # Checks that sql.Rows and sql.Stmt are closed.
stylecheck # Stylecheck is a replacement for golint
tenv # tenv is analyzer that detects using os.Setenv instead of t.Setenv since Go1.17
testpackage # linter that makes you use a separate _test package
tparallel # tparallel detects inappropriate usage of t.Parallel() method in your Go test codes
prealloc # [premature optimization, but can be used in some cases] Finds slice declarations that could potentially be preallocated
varnamelen # [great idea, but too many false positives] checks that the length of a variable's name matches its scope
wrapcheck # Checks that errors returned from external packages are wrapped
disabled
containedctx # containedctx is a linter that detects struct contained context.Context field
depguard # [replaced by gomodguard] Go linter that checks if package imports are in a list of acceptable packages
dogsled # Checks assignments with too many blank identifiers (e.g. x, , , _, := f())
errchkjson # [don't see profit + I'm against of omitting errors like in the first example https://github.com/breml/errchkjson] Checks types passed to the json encoding functions. Reports unsupported types and optionally reports occasions, where the check for the returned error can be omitted.
forcetypeassert # [replaced by errcheck] finds forced type assertions
gci # Gci controls golang package import order and makes it always deterministic.
## Golden config for golangci-lint v1.46.2
#
# This is the best config for golangci-lint based on my experience and opinion.
# It is very strict, but not extremely strict.
# Feel free to adopt and change it for your needs.
run:
# Timeout for analysis, e.g. 30s, 5m.
# Default: 1m
timeout: 30m
# Define the Go version limit.
# Mainly related to generics support in go1.18.
# Default: use Go version from the go.mod file, fallback on the env var `GOVERSION`, fallback on 1.17
go: "1.17" # TODO: change to 1.18 when most linters support it, see https://github.com/golangci/golangci-lint/issues/2649
# This file contains only configs which differ from defaults.
# All possible options can be found here https://github.com/golangci/golangci-lint/blob/master/.golangci.reference.yml
linters-settings:
cyclop:
# The maximal code complexity to report.
# Default: 10
max-complexity: 30
# The maximal average package complexity.
# If it's higher than 0.0 (float) the check is enabled
# Default: 0.0
package-average: 10.0
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
funlen:
# Checks the number of lines in a function.
# If lower than 0, disable the check.
# Default: 60
lines: 100
# Checks the number of statements in a function.
# If lower than 0, disable the check.
# Default: 40
statements: 50
gocognit:
# Minimal code complexity to report
# Default: 30 (but we recommend 10-20)
min-complexity: 20
gocritic:
# 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:
captLocal:
# Whether to restrict checker to params only.
# Default: true
paramsOnly: false
underef:
# Whether to skip (*x).method() calls where x is a pointer receiver.
# Default: true
skipRecvDeref: false
gomnd:
# List of function patterns to exclude from analysis.
# Values always ignored: `time.Date`
# Default: []
ignored-functions:
- os.Chmod
- os.Mkdir
- os.MkdirAll
- os.OpenFile
- os.WriteFile
- prometheus.ExponentialBuckets
- prometheus.ExponentialBucketsRange
- prometheus.LinearBuckets
- strconv.FormatFloat
- strconv.FormatInt
- strconv.FormatUint
- strconv.ParseFloat
- strconv.ParseInt
- strconv.ParseUint
gomodguard:
blocked:
# List of blocked modules.
# Default: []
modules:
- github.com/golang/protobuf:
recommendations:
- google.golang.org/protobuf
reason: "see https://developers.google.com/protocol-buffers/docs/reference/go/faq#modules"
- github.com/satori/go.uuid:
recommendations:
- github.com/google/uuid
reason: "satori's package is not maintained"
- github.com/gofrs/uuid:
recommendations:
- github.com/google/uuid
reason: "see recommendation from dev-infra team: https://confluence.gtforge.com/x/gQI6Aw"
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
nakedret:
# Make an issue if func has more lines of code than this setting, and it has naked returns.
# Default: 30
max-func-lines: 0
nolintlint:
# 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
rowserrcheck:
# database/sql is always checked
# Default: []
packages:
- github.com/jmoiron/sqlx
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
varcheck:
# Check usage of exported fields and variables.
# Default: false
exported-fields: false # default false # TODO: enable after fixing false positives
linters:
disable-all: true
enable:
## enabled by default
- deadcode # Finds unused code
- errcheck # Errcheck is a program for checking for unchecked errors in go programs. These unchecked errors can be critical bugs in some cases
- gosimple # Linter for Go source code that specializes in simplifying a code
- govet # Vet examines Go source code and 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 # Staticcheck is a go vet on steroids, applying a ton of static analysis checks
- structcheck # Finds unused struct fields
- typecheck # Like the front-end of a Go compiler, parses and type-checks Go code
- unused # Checks Go code for unused constants, variables, functions and types
- varcheck # Finds unused global variables and constants
## disabled by default
- asciicheck # Simple linter to check 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 the function whether use a non-inherited context
- cyclop # checks function and package cyclomatic complexity
- dupl # Tool for code clone detection
- durationcheck # check for two durations multiplied together
- errname # Checks that sentinel errors are prefixed with the Err and error types are suffixed with the Error.
- 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.
- execinquery # execinquery is a linter about query string checker in Query function which reads your Go src files and warning it finds
- exhaustive # check exhaustiveness of enum switch statements
- exportloopref # checks for pointers to enclosing loop variables
- forbidigo # Forbids identifiers
- funlen # Tool for detection of long functions
- gochecknoglobals # check that no global variables exist
- gochecknoinits # Checks that no init functions are present in Go code
- 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.
- gocyclo # Computes and checks the cyclomatic complexity of functions
- godot # Check if comments end in a period
- goimports # In addition to fixing imports, goimports also formats your code in the same style as gofmt.
- gomnd # An analyzer to detect magic numbers.
- gomoddirectives # Manage the use of 'replace', 'retract', and 'excludes' directives in go.mod.
- 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.
- goprintffuncname # Checks that printf-like functions are named with f at the end
- gosec # Inspects source code for security problems
- lll # Reports long lines
- makezero # Finds slice declarations with non-zero initial length
- 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 # noctx finds sending http request without context.Context
- nolintlint # Reports ill-formed or insufficient nolint directives
- nonamedreturns # Reports all named returns
- nosprintfhostport # Checks for misuse of Sprintf to construct a host with port in a URL.
- predeclared # find code that shadows one of Go's predeclared identifiers
- promlinter # Check Prometheus metrics naming via promlint
- revive # Fast, configurable, extensible, flexible, and beautiful linter for Go. Drop-in replacement of golint.
- rowserrcheck # checks whether Err of rows is checked successfully
- sqlclosecheck # Checks that sql.Rows and sql.Stmt are closed.
- stylecheck # Stylecheck is a replacement for golint
- tenv # tenv is analyzer that detects using os.Setenv instead of t.Setenv since Go1.17
- testpackage # linter that makes you use a separate _test package
- tparallel # tparallel detects inappropriate usage of t.Parallel() method in your Go test codes
- unconvert # Remove unnecessary type conversions
- unparam # Reports unused function parameters
- wastedassign # wastedassign finds wasted assignment statements.
- whitespace # Tool for detection of leading and trailing whitespace
## you may want to enable
#- decorder # check declaration order and count of types, constants, variables and functions
#- exhaustruct # Checks if all structure fields are initialized
#- goheader # Checks is file header matches to pattern
#- ireturn # Accept Interfaces, Return Concrete Types
#- prealloc # [premature optimization, but can be used in some cases] Finds slice declarations that could potentially be preallocated
#- varnamelen # [great idea, but too many false positives] checks that the length of a variable's name matches its scope
#- wrapcheck # Checks that errors returned from external packages are wrapped
## disabled
#- containedctx # containedctx is a linter that detects struct contained context.Context field
#- depguard # [replaced by gomodguard] Go linter that checks if package imports are in a list of acceptable packages
#- dogsled # Checks assignments with too many blank identifiers (e.g. x, _, _, _, := f())
#- errchkjson # [don't see profit + I'm against of omitting errors like in the first example https://github.com/breml/errchkjson] Checks types passed to the json encoding functions. Reports unsupported types and optionally reports occasions, where the check for the returned error can be omitted.
#- forcetypeassert # [replaced by errcheck] finds forced type assertions
#- gci # Gci controls golang package import order and makes it always deterministic.
#- godox # Tool for detection of FIXME, TODO and other comment keywords
#- goerr113 # [too strict] Golang linter to check the errors handling expressions
#- gofmt # [replaced by goimports] Gofmt checks whether code was gofmt-ed. By default this tool runs with -s option to check for code simplification
#- gofumpt # [replaced by goimports, gofumports is not available yet] Gofumpt checks whether code was gofumpt-ed.
#- grouper # An analyzer to analyze expression groups.
#- ifshort # Checks that your code uses short syntax for if-statements whenever possible
#- importas # Enforces consistent import aliases
#- maintidx # maintidx measures the maintainability index of each function.
#- misspell # [useless] Finds commonly misspelled English words in comments
#- nlreturn # [too strict and mostly code is not more readable] nlreturn checks for a new line before return and branch statements to increase code clarity
#- paralleltest # [too many false positives] paralleltest detects missing usage of t.Parallel() method in your Go test
#- tagliatelle # Checks the struct tags.
#- thelper # thelper detects golang test helpers without t.Helper() call and checks the consistency of test helpers
#- wsl # [too strict and mostly code is not more readable] Whitespace Linter - Forces you to use empty lines!
## deprecated
#- exhaustivestruct # [deprecated, replaced by exhaustruct] Checks if all struct's fields are initialized
#- golint # [deprecated, replaced by revive] Golint differs from gofmt. Gofmt reformats Go source code, whereas golint prints out style mistakes
#- interfacer # [deprecated] Linter that suggests narrower interface types
#- maligned # [deprecated, replaced by govet fieldalignment] Tool to detect Go structs that would take less memory if their fields were sorted
#- scopelint # [deprecated, replaced by exportloopref] Scopelint checks for unpinned variables in go programs
issues:
# Maximum count of issues with the same text.
# Set to 0 to disable.
# Default: 3
max-same-issues: 50
exclude-rules:
- source: "^//\\s*go:generate\\s"
linters: [ lll ]
- source: "(noinspection|TODO)"
linters: [ godot ]
- source: "//noinspection"
linters: [ gocritic ]
- source: "^\\s+if _, ok := err\\.\\([^.]+\\.InternalError\\); ok {"
linters: [ errorlint ]
- path: "_test\\.go"
linters:
- bodyclose
- dupl
- funlen
- goconst
- gosec
- noctx
- wrapcheck
deadcode # Finds unused code
errcheck # Errcheck is a program for checking for unchecked errors in go programs. These unchecked errors can be critical bugs in some cases
gosimple # Linter for Go source code that specializes in simplifying a code
govet # Vet examines Go source code and 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 # Staticcheck is a go vet on steroids, applying a ton of static analysis checks
structcheck # Finds unused struct fields
typecheck # Like the front-end of a Go compiler, parses and type-checks Go code
unused # Checks Go code for unused constants, variables, functions and types
varcheck # Finds unused global variables and constants
disabled by default
asciicheck # Simple linter to check 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 the function whether use a non-inherited context
cyclop # checks function and package cyclomatic complexity
dupl # Tool for code clone detection
durationcheck # check for two durations multiplied together
errname # Checks that sentinel errors are prefixed with the Err and error types are suffixed with the Error.
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.
execinquery # execinquery is a linter about query string checker in Query function which reads your Go src files and warning it finds
exhaustive # check exhaustiveness of enum switch statements
exportloopref # checks for pointers to enclosing loop variables
forbidigo # Forbids identifiers
funlen # Tool for detection of long functions
gochecknoglobals # check that no global variables exist
gochecknoinits # Checks that no init functions are present in Go code
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.
gocyclo # Computes and checks the cyclomatic complexity of functions
godot # Check if comments end in a period
goimports # In addition to fixing imports, goimports also formats your code in the same style as gofmt.
gomnd # An analyzer to detect magic numbers.
gomoddirectives # Manage the use of 'replace', 'retract', and 'excludes' directives in go.mod.
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.
goprintffuncname # Checks that printf-like functions are named with f at the end
gosec # Inspects source code for security problems
lll # Reports long lines
makezero # Finds slice declarations with non-zero initial length
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 # noctx finds sending http request without context.Context
nolintlint # Reports ill-formed or insufficient nolint directives
nonamedreturns # Reports all named returns
nosprintfhostport # Checks for misuse of Sprintf to construct a host with port in a URL.
predeclared # find code that shadows one of Go's predeclared identifiers
promlinter # Check Prometheus metrics naming via promlint
revive # Fast, configurable, extensible, flexible, and beautiful linter for Go. Drop-in replacement of golint.
rowserrcheck # checks whether Err of rows is checked successfully
sqlclosecheck # Checks that sql.Rows and sql.Stmt are closed.
stylecheck # Stylecheck is a replacement for golint
tenv # tenv is analyzer that detects using os.Setenv instead of t.Setenv since Go1.17
testpackage # linter that makes you use a separate _test package
tparallel # tparallel detects inappropriate usage of t.Parallel() method in your Go test codes
unconvert # Remove unnecessary type conversions
unparam # Reports unused function parameters
wastedassign # wastedassign finds wasted assignment statements.
whitespace # Tool for detection of leading and trailing whitespace
you may want to enable
decorder # check declaration order and count of types, constants, variables and functions
exhaustruct # Checks if all structure fields are initialized
goheader # Checks is file header matches to pattern
ireturn # Accept Interfaces, Return Concrete Types
prealloc # [premature optimization, but can be used in some cases] Finds slice declarations that could potentially be preallocated
varnamelen # [great idea, but too many false positives] checks that the length of a variable's name matches its scope
wrapcheck # Checks that errors returned from external packages are wrapped
disabled
containedctx # containedctx is a linter that detects struct contained context.Context field
depguard # [replaced by gomodguard] Go linter that checks if package imports are in a list of acceptable packages
dogsled # Checks assignments with too many blank identifiers (e.g. x, , , _, := f())
errchkjson # [don't see profit + I'm against of omitting errors like in the first example https://github.com/breml/errchkjson] Checks types passed to the json encoding functions. Reports unsupported types and optionally reports occasions, where the check for the returned error can be omitted.
forcetypeassert # [replaced by errcheck] finds forced type assertions
gci # Gci controls golang package import order and makes it always deterministic.
https://github.com/redhat-et/copilot-ops/blob/b2e1212afe705885cced88c4bf48616f71cd2a75/.golangci.yaml#L150