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golangci-lint: Upgrade, fix issues #397

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merged 1 commit into from
Dec 10, 2023

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abhinav
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@abhinav abhinav commented Dec 10, 2023

The golangci-lint being used was quite dated.
This change upgrades to the latest version.
Adds and updates exclusions based on new failures.

Note on revive:
I've included an opt-out for unused parameters for revive
because turning newThing(required bool) to newThing(_ bool)
is a loss of useful information.

The changes to the Go files are to fix the following issues:

camelcase.go:16: File is not `gofmt`-ed with `-s` (gofmt)
config_test.go:50:18: directive `//nolint: gosec` is unused for linter "gosec" (nolintlint)
defaults_test.go:28:25: G601: Implicit memory aliasing in for loop. (gosec)
doc.go:5: File is not `gofmt`-ed with `-s` (gofmt)
kong.go:446:18: directive `//nolint: gosec` is unused for linter "gosec" (nolintlint)
kong_test.go:503:20: G601: Implicit memory aliasing in for loop. (gosec)
model.go:493:10: composites: reflect.ValueError struct literal uses unkeyed fields (govet)
scanner.go:112: File is not `gofmt`-ed with `-s` (gofmt)

And to address broken nolint directives reported as follows by
golangci-lint.

[.. skipped .. ]
tag.go:65:1: directive `// nolint:gocyclo` should be written without leading space as `//nolint:gocyclo` (nolintlint)
tag.go:206:51: directive `// nolint: gocyclo` should be written without leading space as `//nolint: gocyclo` (nolintlint)
util_test.go:23:43: directive `// nolint: errcheck` should be written without leading space as `//nolint: errcheck` (nolintlint)
util_test.go:51:22: directive `// nolint: errcheck` should be written without leading space as `//nolint: errcheck` (nolintlint)

Comment on lines +36 to +42
// 1. If string is not valid UTF-8, return it without splitting as
// single item array.
// 2) Assign all unicode characters into one of 4 sets: lower case
// 2. Assign all unicode characters into one of 4 sets: lower case
// letters, upper case letters, numbers, and all other characters.
// 3) Iterate through characters of string, introducing splits
// 3. Iterate through characters of string, introducing splits
// between adjacent characters that belong to different sets.
// 4) Iterate through array of split strings, and if a given string
// 4. Iterate through array of split strings, and if a given string
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This was gofmt, not me.

@@ -47,7 +47,7 @@ func makeConfig(t *testing.T, config interface{}) (path string, cleanup func())
t.Helper()
w, err := ioutil.TempFile("", "")
assert.NoError(t, err)
defer w.Close() // nolint: gosec
defer w.Close()
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unused //nolint

@alecthomas
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Thanks, but I prefer to use enable-all and explicitly disable any "problematic" linters when I upgrade. This way I can take advantage of new linters as they appear.

The golangci-lint being used was quite dated.
This change upgrades to the latest version.
Adds and updates exclusions based on new failures.

Note on revive:
I've included an opt-out for unused parameters for revive
because turning `newThing(required bool)` to `newThing(_ bool)`
is a loss of useful information.

The changes to the Go files are to fix the following issues:

```
camelcase.go:16: File is not `gofmt`-ed with `-s` (gofmt)
config_test.go:50:18: directive `//nolint: gosec` is unused for linter "gosec" (nolintlint)
defaults_test.go:28:25: G601: Implicit memory aliasing in for loop. (gosec)
doc.go:5: File is not `gofmt`-ed with `-s` (gofmt)
kong.go:446:18: directive `//nolint: gosec` is unused for linter "gosec" (nolintlint)
kong_test.go:503:20: G601: Implicit memory aliasing in for loop. (gosec)
model.go:493:10: composites: reflect.ValueError struct literal uses unkeyed fields (govet)
scanner.go:112: File is not `gofmt`-ed with `-s` (gofmt)
```

And to address broken nolint directives reported as follows by
golangci-lint.

```
[.. skipped .. ]
tag.go:65:1: directive `// nolint:gocyclo` should be written without leading space as `//nolint:gocyclo` (nolintlint)
tag.go:206:51: directive `// nolint: gocyclo` should be written without leading space as `//nolint: gocyclo` (nolintlint)
util_test.go:23:43: directive `// nolint: errcheck` should be written without leading space as `//nolint: errcheck` (nolintlint)
util_test.go:51:22: directive `// nolint: errcheck` should be written without leading space as `//nolint: errcheck` (nolintlint)
```
@abhinav abhinav changed the title golangci-lint: Upgrade, fix issues, reconfigure usage: git log [<options>] [<revision-range>] [[--] <path>...] or: git show [<options>] <object>... -q, --[no-]quiet suppress diff output --[no-]source show source --[no-]use-mailmap use mail map file --[no-]mailmap alias of --use-mailmap --clear-decorations clear all previously-defined decoration filters --[no-]decorate-refs <pattern> only decorate refs that match <pattern> --[no-]decorate-refs-exclude <pattern> do not decorate refs that match <pattern> --[no-]decorate[=...] decorate options -L <range:file> trace the evolution of line range <start>,<end> or function :<funcname> in <file> Dec 10, 2023
@abhinav abhinav changed the title usage: git log [<options>] [<revision-range>] [[--] <path>...] or: git show [<options>] <object>... -q, --[no-]quiet suppress diff output --[no-]source show source --[no-]use-mailmap use mail map file --[no-]mailmap alias of --use-mailmap --clear-decorations clear all previously-defined decoration filters --[no-]decorate-refs <pattern> only decorate refs that match <pattern> --[no-]decorate-refs-exclude <pattern> do not decorate refs that match <pattern> --[no-]decorate[=...] decorate options -L <range:file> trace the evolution of line range <start>,<end> or function :<funcname> in <file> golangci-lint: Upgrade, fix issues Dec 10, 2023
@abhinav
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abhinav commented Dec 10, 2023

Fair enough. Brought the enable-all back.

@alecthomas alecthomas merged commit a86bda4 into alecthomas:master Dec 10, 2023
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@alecthomas
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Thanks!

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