func validateFlags()

in tools/go/gozip/main.go [48:81]

• 28 lines of code
• 14 McCabe index (conditional complexity)

func validateFlags() {
	if fdir == "" && finputFile == "" && fbaseDir == "" && foutput == "" {
		flag.Usage()
		os.Exit(0)
	}

	if foutput == "" {
		flag.Usage()
		panic("output file name is required")
	}

	if fdir == "" && finputFile == "" {
		flag.Usage()
		panic("file and path can't both be empty")
	}

	if fdir != "" && finputFile != "" {
		flag.Usage()
		panic("file and path are mutually exclusive")
	}

	if fbaseDir == "" && fdir != "" {
		fbaseDir = fdir
	}

	if !strings.HasSuffix(fbaseDir, pathSeparator) {
		fbaseDir = fbaseDir + pathSeparator
	}

	executablesMap = make(map[string]struct{}, len(executables))
	for _, v := range executables {
		executablesMap[v] = struct{}{}
	}
}