func parseArgs()

in go-bindata/main.go [33:86]
42 lines of code
5 McCabe index (conditional complexity)

func parseArgs() *bindata.Config {
	var version bool

	c := bindata.NewConfig()

	flag.Usage = func() {
		fmt.Printf("Usage: %s [options] <input directories>\n\n", os.Args[0])
		flag.PrintDefaults()
	}

	flag.BoolVar(&c.Debug, "debug", c.Debug, "Do not embed the assets, but provide the embedding API. Contents will still be loaded from disk.")
	flag.BoolVar(&c.Dev, "dev", c.Dev, "Similar to debug, but does not emit absolute paths. Expects a rootDir variable to already exist in the generated code's package.")
	flag.StringVar(&c.Tags, "tags", c.Tags, "Optional set of build tags to include.")
	flag.StringVar(&c.Prefix, "prefix", c.Prefix, "Optional path prefix to strip off asset names.")
	flag.StringVar(&c.Package, "pkg", c.Package, "Package name to use in the generated code.")
	flag.BoolVar(&c.NoMemCopy, "nomemcopy", c.NoMemCopy, "Use a .rodata hack to get rid of unnecessary memcopies. Refer to the documentation to see what implications this carries.")
	flag.BoolVar(&c.NoCompress, "nocompress", c.NoCompress, "Assets will *not* be GZIP compressed when this flag is specified.")
	flag.BoolVar(&c.NoMetadata, "nometadata", c.NoMetadata, "Assets will not preserve size, mode, and modtime info.")
	flag.UintVar(&c.Mode, "mode", c.Mode, "Optional file mode override for all files.")
	flag.Int64Var(&c.ModTime, "modtime", c.ModTime, "Optional modification unix timestamp override for all files.")
	flag.StringVar(&c.Output, "o", c.Output, "Optional name of the output file to be generated.")
	flag.BoolVar(&version, "version", false, "Displays version information.")

	ignore := make([]string, 0)
	flag.Var((*AppendSliceValue)(&ignore), "ignore", "Regex pattern to ignore")

	flag.Parse()

	patterns := make([]*regexp.Regexp, 0)
	for _, pattern := range ignore {
		patterns = append(patterns, regexp.MustCompile(pattern))
	}
	c.Ignore = patterns

	if version {
		fmt.Printf("%s\n", Version())
		os.Exit(0)
	}

	// Make sure we have input paths.
	if flag.NArg() == 0 {
		fmt.Fprintf(os.Stderr, "Missing <input dir>\n\n")
		flag.Usage()
		os.Exit(1)
	}

	// Create input configurations.
	c.Input = make([]bindata.InputConfig, flag.NArg())
	for i := range c.Input {
		c.Input[i] = parseInput(flag.Arg(i))
	}

	return c
}