bb22144d4f
These fix the issues identified by the k/k inspired linter
configuration that we will be adding:
```
pkg/pid1/pid1.go:72:14: ST1005: error strings should not end with punctuation or newlines (stylecheck)
return 0, fmt.Errorf("unhandled exit status: 0x%x\n", status)
^
pkg/pid1/pid1.go:86:21: ST1005: error strings should not end with punctuation or newlines (stylecheck)
return false, 0, fmt.Errorf("wait4(): %w\n", err)
^
main.go:480:34: Error return value of `pflag.CommandLine.MarkDeprecated` is not checked (errcheck)
pflag.CommandLine.MarkDeprecated("branch", "use --ref instead")
^
main.go:483:34: Error return value of `pflag.CommandLine.MarkDeprecated` is not checked (errcheck)
pflag.CommandLine.MarkDeprecated("change-permissions", "use --group-write instead")
^
main.go:486:34: Error return value of `pflag.CommandLine.MarkDeprecated` is not checked (errcheck)
pflag.CommandLine.MarkDeprecated("dest", "use --link instead")
^
main.go:1897:16: Error return value of `io.WriteString` is not checked (errcheck)
io.WriteString(h, s)
^
main.go:555:2: ifElseChain: rewrite if-else to switch statement (gocritic)
if *flDeprecatedBranch != "" && (*flDeprecatedRev == "" || *flDeprecatedRev == "HEAD") {
^
```
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| .. | ||
| cmd | ||
| hook | ||
| logging | ||
| pid1 | ||
| version | ||