func parseFlags(checker *errcheck.Checker, args []string) ([]string, int) {
flags := flag.NewFlagSet(args[0], flag.ContinueOnError)
flags.BoolVar(&checker.Blank, "blank", false, "if true, check for errors assigned to blank identifier")
flags.BoolVar(&checker.Asserts, "asserts", false, "if true, check for ignored type assertion results")
flags.BoolVar(&checker.Verbose, "verbose", false, "produce more verbose logging")
tags := tagsFlag{}
flags.Var(&tags, "tags", "space-separated list of build tags to include")
ignorePkg := flags.String("ignorepkg", "", "comma-separated list of package paths to ignore")
ignore := ignoreFlag(map[string]*regexp.Regexp{
"fmt": dotStar,
})
flags.Var(ignore, "ignore", "comma-separated list of pairs of the form pkg:regex\n"+
" the regex is used to ignore names within pkg")
if err := flags.Parse(args[1:]); err != nil {
return nil, exitFatalError
}
checker.Tags = tags
for _, pkg := range strings.Split(*ignorePkg, ",") {
if pkg != "" {
ignore[pkg] = dotStar
}
}
checker.Ignore = ignore
ctx := gotool.Context{
BuildContext: build.Default,
}
ctx.BuildContext.BuildTags = tags
// ImportPaths normalizes paths and expands '...'
return gotool.ImportPaths(flags.Args()), exitCodeOk
}
func parseFlags(checker *errcheck.Checker, args []string) ([]string, int) {
flags := flag.NewFlagSet(args[0], flag.ContinueOnError)
flags.BoolVar(&checker.Blank, "blank", false, "if true, check for errors assigned to blank identifier")
flags.BoolVar(&checker.Asserts, "asserts", false, "if true, check for ignored type assertion results")
flags.BoolVar(&checker.WithoutTests, "ignoretests", false, "if true, checking of _test.go files is disabled")
flags.BoolVar(&checker.Verbose, "verbose", false, "produce more verbose logging")
flags.BoolVar(&abspath, "abspath", false, "print absolute paths to files")
tags := tagsFlag{}
flags.Var(&tags, "tags", "space-separated list of build tags to include")
ignorePkg := flags.String("ignorepkg", "", "comma-separated list of package paths to ignore")
ignore := ignoreFlag(map[string]*regexp.Regexp{
"fmt": dotStar,
})
flags.Var(ignore, "ignore", "[deprecated] comma-separated list of pairs of the form pkg:regex\n"+
" the regex is used to ignore names within pkg.")
var excludeFile string
flags.StringVar(&excludeFile, "exclude", "", "Path to a file containing a list of functions to exclude from checking")
if err := flags.Parse(args[1:]); err != nil {
return nil, exitFatalError
}
if excludeFile != "" {
exclude := make(map[string]bool)
fh, err := os.Open(excludeFile)
if err != nil {
fmt.Fprintf(os.Stderr, "Could not read exclude file: %s\n", err)
return nil, exitFatalError
}
scanner := bufio.NewScanner(fh)
for scanner.Scan() {
exclude[scanner.Text()] = true
}
if err := scanner.Err(); err != nil {
fmt.Fprintf(os.Stderr, "Could not read exclude file: %s\n", err)
return nil, exitFatalError
}
checker.SetExclude(exclude)
}
checker.Tags = tags
for _, pkg := range strings.Split(*ignorePkg, ",") {
if pkg != "" {
ignore[pkg] = dotStar
}
}
checker.Ignore = ignore
// ImportPaths normalizes paths and expands '...'
return gotool.ImportPaths(flags.Args()), exitCodeOk
}
