func AddFlags()

in logs/logs.go [79:118]
30 lines of code
9 McCabe index (conditional complexity)

func AddFlags(fs *pflag.FlagSet, opts ...Option) {
	// Determine whether the flags are already present by looking up one
	// which always should exist.
	if fs.Lookup("logtostderr") != nil {
		return
	}

	o := addFlagsOptions{}
	for _, opt := range opts {
		opt(&o)
	}

	// Add flags with pflag deprecation remark for some klog flags.
	packageFlags.VisitAll(func(f *flag.Flag) {
		pf := pflag.PFlagFromGoFlag(f)
		switch f.Name {
		case "v":
			// unchanged, potentially skip it
			if o.skipLoggingConfigurationFlags {
				return
			}
		case logFlushFreqFlagName:
			// unchanged, potentially skip it
			if o.skipLoggingConfigurationFlags {
				return
			}
			logFlushFreqAdded = true
		case "vmodule":
			// TODO: see above
			// pf.Usage += vmoduleUsage
			if o.skipLoggingConfigurationFlags {
				return
			}
		default:
			// deprecated, but not hidden
			pf.Deprecated = deprecated
		}
		fs.AddFlag(pf)
	})
}