golangci / golangci-lint Goto Github PK

$ golangci-lint run
WARN[0000] Gofmt: got too much paths (2072), analyze first 1000

INFO[0000] Active linters: [megacheck govet errcheck structcheck ineffassign varcheck deadcode gas]
INFO[0000] Found paths for analysis for 459.186µs: [. ./cmd ./cmd/load ./lib ./models]
INFO[0008] Program loading took 8.768935722s
INFO[0011] SSA repr building took 3.050474608s
INFO[0012] worker.4 took 4.286801ms with stages: ineffassign: 3.145384ms, errcheck: 346.462µs, deadcode: 260.268µs, structcheck: 230.44µs
INFO[0012] worker.1 took 4.653629ms with stages: gas: 3.904082ms, varcheck: 674.395µs
INFO[0012] worker.2 took 158.615506ms with stages: govet: 158.552628ms
INFO[0017] Panic stack trace: goroutine 2263 [running]:
runtime/debug.Stack(0x17d70b6, 0x11, 0xc444064908)
        /usr/local/Cellar/go/1.10.1/libexec/src/runtime/debug/stack.go:24 +0xa7
github.com/golangci/golangci-lint/pkg.runLinterSafe.func1(0xc444065d10)
        /Users/quanta/go/src/github.com/golangci/golangci-lint/pkg/runner.go:34 +0xc2
panic(0x16daac0, 0xc474fca170)
        /usr/local/Cellar/go/1.10.1/libexec/src/runtime/panic.go:502 +0x229
github.com/golangci/golangci-lint/vendor/github.com/golangci/go-tools/lint.(*Linter).Lint(0xc444065688, 0xc42019c180, 0xc420154420, 0xc44f004be0, 0x1743580, 0x1c135e0, 0xc44fda96a8)
        /Users/quanta/go/src/github.com/golangci/golangci-lint/vendor/github.com/golangci/go-tools/lint/lint.go:446 +0x2e7c
github.com/golangci/golangci-lint/vendor/github.com/golangci/go-tools/lint/lintutil.(*runner).lint(0xc44fda97c0, 0xc42019c180, 0xc420154420, 0xc44f004be0, 0x0, 0x0, 0x0)
        /Users/quanta/go/src/github.com/golangci/golangci-lint/vendor/github.com/golangci/go-tools/lint/lintutil/util.go:292 +0xc8
github.com/golangci/golangci-lint/vendor/github.com/golangci/go-tools/lint/lintutil.Lint(0xc45afa2240, 0x3, 0x4, 0xc42019c180, 0xc420154420, 0xc44f004be0, 0xc444065928, 0x4, 0xc44fda9900, 0x1011ff9, ...)
        /Users/quanta/go/src/github.com/golangci/golangci-lint/vendor/github.com/golangci/go-tools/lint/lintutil/util.go:248 +0x1f5
github.com/golangci/golangci-lint/vendor/github.com/golangci/go-tools/lint/lintutil.ProcessFlagSet(0xc45af2e6c0, 0x3, 0x4, 0xc45af2e660, 0xc42019c180, 0xc420154420, 0xc44f004be0, 0x4, 0x2, 0xc452b83780)
        /Users/quanta/go/src/github.com/golangci/golangci-lint/vendor/github.com/golangci/go-tools/lint/lintutil/util.go:203 +0x615
github.com/golangci/golangci-lint/vendor/github.com/golangci/go-tools/cmd/megacheck.Run(0xc42019c180, 0xc420154420, 0xc44f004be0, 0x1010101, 0xc44a603360, 0xc44193ef78, 0x1890ec0)
        /Users/quanta/go/src/github.com/golangci/golangci-lint/vendor/github.com/golangci/go-tools/cmd/megacheck/megacheck.go:124 +0x74a
github.com/golangci/golangci-lint/pkg/golinters.Megacheck.Run(0x10101, 0x188a280, 0xc4201a11a0, 0xc45af23800, 0x102a909, 0x8, 0xc432861bc0, 0x2, 0xc420057480)
        /Users/quanta/go/src/github.com/golangci/golangci-lint/pkg/golinters/megacheck.go:42 +0x7d
github.com/golangci/golangci-lint/pkg.runLinterSafe(0x188a280, 0xc4201a11a0, 0xc45af23800, 0x1889500, 0xc42078e445, 0x0, 0x0, 0x0,0x1881020, 0xc474f8d2e0)
        /Users/quanta/go/src/github.com/golangci/golangci-lint/pkg/runner.go:38 +0x9f
github.com/golangci/golangci-lint/pkg.runWorker.func1()
        /Users/quanta/go/src/github.com/golangci/golangci-lint/pkg/runner.go:61 +0x64
github.com/golangci/golangci-lint/pkg/timeutils.(*Stopwatch).TrackStage(0xc44856bc40, 0x17c4e96, 0x9, 0xc420057660)
        /Users/quanta/go/src/github.com/golangci/golangci-lint/pkg/timeutils/stopwatch.go:73 +0x53
github.com/golangci/golangci-lint/pkg.runWorker(0x188a280, 0xc4201a11a0, 0xc45af23800, 0xc44854bf80, 0xc45af2e4e0, 0xc438359b28, 0x8)
        /Users/quanta/go/src/github.com/golangci/golangci-lint/pkg/runner.go:60 +0x185
github.com/golangci/golangci-lint/pkg.(*SimpleRunner).runWorkers.func1(0xc438359ac0, 0x188a280, 0xc4201a11a0, 0xc45af23800, 0xc44854bf80, 0xc45af2e4e0, 0xc45af2e540, 0x4, 0x4, 0x2)
        /Users/quanta/go/src/github.com/golangci/golangci-lint/pkg/runner.go:118 +0x117
created by github.com/golangci/golangci-lint/pkg.(*SimpleRunner).runWorkers
        /Users/quanta/go/src/github.com/golangci/golangci-lint/pkg/runner.go:115 +0x1e6

INFO[0017] worker.3 took 5.245747545s with stages: megacheck: 5.245730941s
INFO[0017] Workers idle times: #1: 5.242094403s, #2: 5.08820943s, #4: 5.242487759s
INFO[0017] Can't run linter megacheck: panic occured: panic: runtime error: invalid memory address or nil pointer dereference, stack: goroutine 2782 [running]:
runtime/debug.Stack(0xc48de310b8, 0x16ee1a0, 0x1c8efa0)
        /usr/local/Cellar/go/1.10.1/libexec/src/runtime/debug/stack.go:24 +0xa7
github.com/golangci/golangci-lint/vendor/github.com/golangci/go-tools/lint.(*Linter).Lint.func1.1(0xc47b2c2090, 0x13)
        /Users/quanta/go/src/github.com/golangci/golangci-lint/vendor/github.com/golangci/go-tools/lint/lint.go:427 +0x6e
panic(0x16ee1a0, 0x1c8efa0)
        /usr/local/Cellar/go/1.10.1/libexec/src/runtime/panic.go:502 +0x229
github.com/golangci/golangci-lint/vendor/github.com/golangci/go-tools/staticcheck.(*Checker).CheckDeprecated.func1(0x1884fc0, 0xc4202e7800, 0x0)
        /Users/quanta/go/src/github.com/golangci/golangci-lint/vendor/github.com/golangci/go-tools/staticcheck/lint.go:2376 +0x145
go/ast.inspector.Visit(0xc463f72940, 0x1884fc0, 0xc4202e7800, 0xc4202e77e0, 0x1ca2fe0)
        /usr/local/Cellar/go/1.10.1/libexec/src/go/ast/walk.go:373 +0x3a
go/ast.Walk(0x1882660, 0xc463f72940, 0x1884fc0, 0xc4202e7800)
        /usr/local/Cellar/go/1.10.1/libexec/src/go/ast/walk.go:52 +0x66
go/ast.Walk(0x1882660, 0xc463f72940, 0x1884700, 0xc4201c2140)
        /usr/local/Cellar/go/1.10.1/libexec/src/go/ast/walk.go:136 +0x102b
go/ast.Walk(0x1882660, 0xc463f72940, 0x18849c0, 0xc4200bc660)
        /usr/local/Cellar/go/1.10.1/libexec/src/go/ast/walk.go:196 +0x1b0c
go/ast.walkStmtList(0x1882660, 0xc463f72940, 0xc4200e6300, 0xb, 0x10)
        /usr/local/Cellar/go/1.10.1/libexec/src/go/ast/walk.go:32 +0x81
go/ast.Walk(0x1882660, 0xc463f72940, 0x1884680, 0xc4207ac600)
        /usr/local/Cellar/go/1.10.1/libexec/src/go/ast/walk.go:224 +0x1b61
go/ast.Walk(0x1882660, 0xc463f72940, 0x1884b00, 0xc4207ac630)
        /usr/local/Cellar/go/1.10.1/libexec/src/go/ast/walk.go:344 +0xd6d
go/ast.walkDeclList(0x1882660, 0xc463f72940, 0xc420c20280, 0x2, 0x2)
        /usr/local/Cellar/go/1.10.1/libexec/src/go/ast/walk.go:38 +0x81
go/ast.Walk(0x1882660, 0xc463f72940, 0x1884a80, 0xc42011a280)
        /usr/local/Cellar/go/1.10.1/libexec/src/go/ast/walk.go:353 +0x2650
go/ast.Inspect(0x1884a80, 0xc42011a280, 0xc463f72940)
        /usr/local/Cellar/go/1.10.1/libexec/src/go/ast/walk.go:385 +0x4b
github.com/golangci/golangci-lint/vendor/github.com/golangci/go-tools/staticcheck.(*Checker).CheckDeprecated(0xc4485768a0, 0xc43e30a440)
        /Users/quanta/go/src/github.com/golangci/golangci-lint/vendor/github.com/golangci/go-tools/staticcheck/lint.go:2406 +0xa5
github.com/golangci/golangci-lint/vendor/github.com/golangci/go-tools/staticcheck.(*Checker).CheckDeprecated-fm(0xc43e30a440)
        /Users/quanta/go/src/github.com/golangci/golangci-lint/vendor/github.com/golangci/go-tools/staticcheck/lint.go:235 +0x34
github.com/golangci/golangci-lint/vendor/github.com/golangci/go-tools/lint.(*Linter).Lint.func1(0xc47b2c2090, 0xc48ddea6e0, 0xc47b2c2060, 0x13, 0xc43e30a440)
        /Users/quanta/go/src/github.com/golangci/golangci-lint/vendor/github.com/golangci/go-tools/lint/lint.go:436 +0xc7
created by github.com/golangci/golangci-lint/vendor/github.com/golangci/go-tools/lint.(*Linter).Lint
        /Users/quanta/go/src/github.com/golangci/golangci-lint/vendor/github.com/golangci/go-tools/lint/lint.go:424 +0x25a0

INFO[0017] processing took 3.645µs with stages: max_same_issues: 2.115µs, path_prettifier: 448ns, max_from_linter: 258ns, uniq_by_line: 218ns, diff: 200ns, exclude: 135ns, cgo: 121ns, nolint: 81ns, max_per_file_from_linter: 69ns
Congrats! No issues were found.
INFO[0017] Extracting issued lines took 0s
INFO[0017] Memory: 101 samples, avg is 1158.7MB, max is 1850.9MB
INFO[0017] Execution took 17.185922259s

--out-format string    Format of output: colored-line-number|line-number|json (default "colored-line-number")

cmd\modd\main.go:70:15:     errcheck      Error return value of `runner.Reset` is not checked
daemon.go:123:23:           errcheck      Error return value of `d.cmd.Process.Signal` is not checked
modd_test.go:39:17:         errcheck      Error return value of `ioutil.ReadFile` is not checked
notify\notify.go:40:12:     errcheck      Error return value of `cmd.Run` is not checked
notify\notify.go:52:12:     errcheck      Error return value of `cmd.Run` is not checked
proc.go:37:36:              interfacer    fp can be io.Reader

cmd\modd\main.go:70:15: Error return value of `runner.Reset` is not checked (errcheck)
daemon.go:123:23: Error return value of `d.cmd.Process.Signal` is not checked (errcheck)
modd_test.go:39:17: Error return value of `ioutil.ReadFile` is not checked (errcheck)
notify\notify.go:40:12: Error return value of `cmd.Run` is not checked (errcheck)
notify\notify.go:52:12: Error return value of `cmd.Run` is not checked (errcheck)
proc.go:37:36: fp can be io.Reader (interfacer)

golangci-lint run --fast --enable errcheck

$ time golangci-lint run --disable-all --enable typecheck
Congrats! No issues were found.
golangci-lint run --disable-all --enable typecheck  4.61s user 1.51s system 391% cpu 1.562 total
$ time go build .
go build .  0.72s user 0.50s system 139% cpu 0.873 total

WARN[0015] running error: can't print 49 issues: can't read file path/to/file.go for printing issued line: open path/to/file.go: too many open files

package main

import "fmt"

const Test = 1

func main() {
	fmt.Println(Test)
}

❯❯❯❯ golint golint.go
golint.go:5:7: exported const Test should have comment or be unexported

golangci-lint -v run --enable-all
INFO[0000] Active 19 linters: [deadcode depguard dupl errcheck gas goconst gocyclo gofmt goimports golint govet ineffassign interfacer maligned megacheck structcheck typecheck unconvert varcheck]
INFO[0000] Paths resolving took 53.912µs: golint.go
INFO[0001] Program loading took 1.022202555s
INFO[0001] SSA repr building took 298.371047ms
INFO[0001] worker.3 took 7.052603ms with stages: golint: 6.628217ms, gofmt: 144.329µs, errcheck: 93.992µs, ineffassign: 90.38µs, goconst: 9.614µs, varcheck: 9.607µs, gocyclo: 8.495µs, structcheck: 8.009µs, deadcode: 6.384µs, maligned: 3.45µs, typecheck: 419ns
INFO[0001] worker.4 took 7.052492ms with stages: govet: 6.374265ms, dupl: 313.173µs, gas: 285.407µs, unconvert: 42.404µs, depguard: 7.263µs
INFO[0001] worker.1 took 20.340269ms with stages: interfacer: 16.335097ms, goimports: 3.897825ms
INFO[0002] worker.2 took 722.756747ms with stages: megacheck: 722.712178ms
INFO[0002] Workers idle times: #1: 701.870643ms, #3: 715.659484ms, #4: 715.64974ms
INFO[0002] processing took 142.927µs with stages: exclude: 110.433µs, path_prettifier: 20.749µs, nolint: 4.109µs, autogenerated_exclude: 2.89µs, max_same_issues: 1.602µs, cgo: 1.019µs, max_from_linter: 589ns, diff: 506ns, uniq_by_line: 368ns, skip_files: 331ns, max_per_file_from_linter: 331ns
Congrats! No issues were found.
INFO[0002] Extracting issued lines took 0s
INFO[0002] Memory: 21 samples, avg is 128.8MB, max is 239.0MB
INFO[0002] Execution took 2.072068135s

INFO[0000] Active linters: [deadcode govet errcheck megacheck gas varcheck ineffassign structcheck]
INFO[0000] Found paths for analysis for 56.244µs: [blank.go]
/tmp/blank.go:1:1: expected 'package', found 'EOF'
INFO[0000] Program loading took 3.005445ms
INFO[0000] SSA repr building took 7.026µs
INFO[0000] worker.3 took 1.807229ms with stages: errcheck: 924.983µs, ineffassign: 846.136µs, varcheck: 14.522µs, structcheck: 5.831µs, deadcode: 3.545µs
INFO[0000] worker.4 took 1.854175ms with stages: govet: 1.845642ms
INFO[0000] Panic stack trace: goroutine 38 [running]:
runtime/debug.Stack(0x17d70b6, 0x11, 0xc42042f7c8)
        /usr/local/Cellar/go/1.10.1/libexec/src/runtime/debug/stack.go:24 +0xa7
github.com/golangci/golangci-lint/pkg.runLinterSafe.func1(0xc42042fd10)
        /Users/quanta/go/src/github.com/golangci/golangci-lint/pkg/runner.go:34 +0xc2
panic(0x16ee1a0, 0x1c8efa0)
        /usr/local/Cellar/go/1.10.1/libexec/src/runtime/panic.go:502 +0x229
go/token.(*File).Name(...)
        /usr/local/Cellar/go/1.10.1/libexec/src/go/token/position.go:105
github.com/golangci/golangci-lint/vendor/github.com/GoASTScanner/gas.(*Analyzer).ProcessProgram(0xc420104230, 0xc4200c4080)
        /Users/quanta/go/src/github.com/golangci/golangci-lint/vendor/github.com/GoASTScanner/gas/analyzer.go:148 +0x16d
github.com/golangci/golangci-lint/pkg/golinters.Gas.Run(0x188a280, 0xc42013e840, 0xc4200fee10, 0x102a909, 0x8, 0xc420106200, 0x2, 0xc42013cc80)
        /Users/quanta/go/src/github.com/golangci/golangci-lint/pkg/golinters/gas.go:34 +0x1c3
github.com/golangci/golangci-lint/pkg.runLinterSafe(0x188a280, 0xc42013e840, 0xc4200fee10, 0x18892c0, 0x1cc0a20, 0x0, 0x0, 0x0, 0x1881020, 0xc42041e3a0)
        /Users/quanta/go/src/github.com/golangci/golangci-lint/pkg/runner.go:38 +0x9f
github.com/golangci/golangci-lint/pkg.runWorker.func1()
        /Users/quanta/go/src/github.com/golangci/golangci-lint/pkg/runner.go:61 +0x64
github.com/golangci/golangci-lint/pkg/timeutils.(*Stopwatch).TrackStage(0xc420106040, 0x17beda2, 0x3, 0xc42013ce60)
        /Users/quanta/go/src/github.com/golangci/golangci-lint/pkg/timeutils/stopwatch.go:73 +0x53
github.com/golangci/golangci-lint/pkg.runWorker(0x188a280, 0xc42013e840, 0xc4200fee10, 0xc4201a4d80, 0xc4201a4de0, 0xc4204c2008, 0x8)
        /Users/quanta/go/src/github.com/golangci/golangci-lint/pkg/runner.go:60 +0x185
github.com/golangci/golangci-lint/pkg.(*SimpleRunner).runWorkers.func1(0xc420369450, 0x188a280, 0xc42013e840, 0xc4200fee10, 0xc4201a4d80, 0xc4201a4de0, 0xc4201a4e40, 0x4, 0x4, 0x0)
        /Users/quanta/go/src/github.com/golangci/golangci-lint/pkg/runner.go:118 +0x117
created by github.com/golangci/golangci-lint/pkg.(*SimpleRunner).runWorkers
        /Users/quanta/go/src/github.com/golangci/golangci-lint/pkg/runner.go:115 +0x1e6

INFO[0000] worker.1 took 6.643812ms with stages: gas: 6.461126ms
INFO[0000] Can't run linter gas: panic occured: runtime error: invalid memory address or nil pointer dereference
INFO[0000] worker.2 took 15.14121ms with stages: megacheck: 15.117582ms
INFO[0000] Workers idle times: #1: 8.572497ms, #3: 13.38068ms, #4: 13.37371ms
INFO[0000] processing took 167.02µs with stages: max_same_issues: 163.107µs, max_from_linter: 1.24µs, path_prettifier: 970ns, diff: 838ns, exclude: 452ns, cgo: 246ns, max_per_file_from_linter: 67ns, uniq_by_line: 51ns, nolint: 49ns
Congrats! No issues were found.
INFO[0000] Extracting issued lines took 0s
INFO[0000] Memory: 1 samples, avg is 15.3MB, max is 15.3MB
INFO[0000] Execution took 21.079892ms

{
  "Exclude": [
     ".*\\.pb\\.go"
  ]
}

$ golangci-lint run --fast
mocks/ec2api.go:304:22: method AssignPrivateIpAddresses should be AssignPrivateIPAddresses (golint)
mocks/ec2api.go:312:35: method AssignPrivateIpAddresses should be AssignPrivateIPAddresses (golint)
mocks/ec2api.go:317:22: method AssignPrivateIpAddressesRequest should be AssignPrivateIPAddressesRequest (golint)
...
$ head -1 mocks/ec2api.go
// Code generated by MockGen. DO NOT EDIT.
$ head -1 mocks/iamapi.go
// Code generated by MockGen. DO NOT EDIT.

pkg/provision/iam/policies.go:133:5: declaration of "err" shadows declaration at pkg/provision/iam/policies.go:115 (govet)

time="2018-06-12T00:27:06Z" level=info msg="Config search paths: [./ /data/app/kochiku-worker/shared/build-partition/cash/squaremason/src/stash.corp.squareup.com/cash/squaremason /data/app/kochiku-worker/shared/build-partition/cash/squaremason/src/stash.corp.squareup.com/cash /data/app/kochiku-worker/shared/build-partition/cash/squaremason/src/stash.corp.squareup.com /data/app/kochiku-worker/shared/build-partition/cash/squaremason/src /data/app/kochiku-worker/shared/build-partition/cash/squaremason /data/app/kochiku-worker/shared/build-partition/cash /data/app/kochiku-worker/shared/build-partition /data/app/kochiku-worker/shared /data/app/kochiku-worker /data/app /data /]"
time="2018-06-12T00:27:06Z" level=info msg="Used config file .golangci.yml"
time="2018-06-12T00:27:06Z" level=info msg="Active 18 linters: [deadcode depguard dupl errcheck gas goconst gocyclo gofmt goimports golint govet ineffassign interfacer megacheck structcheck typecheck unconvert varcheck]"
time="2018-06-12T00:27:06Z" level=info msg="Skipped dirs: [mocks pkg/awsenv/testdata vendor]"
time="2018-06-12T00:27:06Z" level=info msg="Paths resolving took 3.812451ms: [cmd/sqm cmd/sqm/env cmd/sqm/service internal/registry pkg/awsenv pkg/awsenv/iampolicy pkg/k8senv pkg/provision pkg/provision/database pkg/provision/iam pkg/provision/service server]"
time="2018-06-12T00:27:13Z" level=info msg="Program loading took 7.027793144s"
time="2018-06-12T00:27:17Z" level=info msg="SSA repr building took 3.545941115s"
time="2018-06-12T00:27:17Z" level=info msg="worker.3 took 358.10083ms with stages: goimports: 239.360565ms, dupl: 98.248495ms, ineffassign: 16.93739ms, gocyclo: 1.830568ms, unconvert: 1.651006ms"
time="2018-06-12T00:27:17Z" level=info msg="worker.4 took 360.277981ms with stages: golint: 237.566721ms, gofmt: 57.642512ms, gas: 45.870413ms, varcheck: 7.755287ms, deadcode: 3.634114ms, structcheck: 3.598876ms, errcheck: 2.459229ms, goconst: 1.650107ms, typecheck: 948ns"
time="2018-06-12T00:27:18Z" level=info msg="worker.1 took 928.704012ms with stages: interfacer: 790.557348ms, govet: 138.112655ms, depguard: 7.709µs"
time="2018-06-12T00:28:08Z" level=info msg="worker.2 took 51.523991372s with stages: megacheck: 51.523955449s"
time="2018-06-12T00:28:08Z" level=info msg="Workers idle times: #1: 50.595252839s, #3: 51.165207269s, #4: 51.163674384s"
time="2018-06-12T00:28:08Z" level=info msg="processing took 1.665043ms with stages: nolint: 824.966µs, exclude: 571.104µs, path_prettifier: 149.593µs, autogenerated_exclude: 78.38µs, cgo: 13.559µs, max_same_issues: 4.953µs, uniq_by_line: 4.94µs, diff: 4.718µs, max_per_file_from_linter: 4.331µs, skip_files: 4.306µs, max_from_linter: 4.193µs"
Congrats! No issues were found.

go get -u github.com/golangci/golangci-lint/cmd/golangci-lint

Flags:
  -j, --concurrency int           Concurrency (default 4)

[aat@cavern:~/Projects/kong]golangci-lint run --fast
Congrats! No issues were found.
[aat@cavern:~/Projects/kong]go build .
# github.com/alecthomas/kong
../../.go/src/github.com/alecthomas/kong/build.go:67:5: syntax error: unexpected ft at end of statement
../../.go/src/github.com/alecthomas/kong/build.go:69:5: syntax error: unexpected else at end of statement
../../.go/src/github.com/alecthomas/kong/build.go:72:2: syntax error: non-declaration statement outside function body
[aat@cavern:~/Projects/kong]git diff
diff --git a/build.go b/build.go
index 2eabbf9..7fa50cd 100644
--- a/build.go
+++ b/build.go
@@ -64,7 +64,7 @@ func buildNode(v reflect.Value, seenFlags map[string]bool) *Node {
                tag := parseTag(fv, ft.Tag.Get("kong"))

                // Nested structs are either commands or args.
-               if ft.Type.Kind() == reflect.Struct && (tag.Cmd || tag.Arg) {
+               i ft.Type.Kind() == reflect.Struct && (tag.Cmd || tag.Arg) {
                        buildChild(node, v, ft, fv, tag, name, seenFlags)
                } else {
                        buildField(node, v, ft, fv, tag, name, seenFlags)

...
INFO[0082] processing took 667.366µs with stages: max_same_issues: 664.846µs, max_from_linter: 1.138µs, path_prettifier: 394ns, cgo: 227ns, exclude: 203ns, diff: 181ns, nolint: 173ns, max_per_file_from_linter: 154ns, uniq_by_line: 50ns
WARN[0082] 0/9 linters finished: deadline exceeded: try increase it by passing --deadline option
Congrats! No issues were found.
INFO[0082] Extracting issued lines took 0s

❯❯❯❯ echo $?
0

package main

import "fmt"

func main() {
	format := fmt.Sprintf("%%-%ds %%s", 20)
	fmt.Println("format:", format)
	fmt.Printf(format+"\n", "golangci-lint", "test")
}

master ms 0 % golangci-lint run ./...
Run this tool in cloud on every github pull request in https://golangci.com for free (public repos)
govet.go:8: Printf call has arguments but no formatting directives (govet)
        fmt.Printf(format+"\n", "golangci-lint", "test")

> golangci-lint run ./...
cmd/foo/serve.go:174:19: Error return value of `logger.Sync` is not checked (errcheck)
        defer logger.Sync() // nolint: errcheck
                         ^
server/handlers.go:32:9: Error return value of `w.Write` is not checked (errcheck)
        w.Write(data) // nolint: errcheck
               ^

linters:
    enable:
        - gocyclo
    disable:
        - errcheck
        - staticcheck
        - unused
        - gosimple
        - gas
        - structcheck
        - varcheck
        - ineffassign
        - deadcode
        - typecheck

linters-settings:
    gocyclo:
        min-complexity: 5
    golint:
        min-confidence: 0
    govet:
        check-shadowing: true
    maligned:
        suggest-new: true

issues:
  exclude:
    - should have a package comment
    - declaration of "err" shadows declaration

$ golangci-lint run --disable-all -E golint ./...
Congrats! No issues were found.
$ golint ./...
pkg/enabled_linters.go:15:2: exported const PresetFormatting should have comment (or a comment on this block) or be unexported
pkg/enabled_linters.go:23:1: exported function AllPresets should have comment or be unexported
pkg/enabled_linters.go:35:6: exported type LinterConfig should have comment or be unexported
pkg/enabled_linters.go:44:1: exported method LinterConfig.WithFullImport should have comment or be unexported
pkg/enabled_linters.go:49:1: exported method LinterConfig.WithSSA should have comment or be unexported
pkg/enabled_linters.go:55:1: exported method LinterConfig.WithPresets should have comment or be unexported
pkg/enabled_linters.go:60:1: exported method LinterConfig.WithSpeed should have comment or be unexported
pkg/enabled_linters.go:74:1: exported function GetLinterConfig should have comment or be unexported
pkg/enabled_linters.go:100:1: exported function GetAllSupportedLinterConfigs should have comment or be unexported
pkg/enabled_linters.go:283:1: exported function GetAllLintersForPreset should have comment or be unexported
...