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package main

import "flag"

// Args are commandline arguments
type Args struct {
	Hostname string
	AuthKey  string
	Funnel   bool
	DataDir  string
	Port     int
}

// Flags is the [flag.FlagSet] for tailproxy
func Flags() (*Args, *flag.FlagSet) {
	args := &Args{

		DataDir: ".tailproxy",
	}
	fs := flag.NewFlagSet("tailproxy", flag.ExitOnError)
	fs.StringVar(&args.Hostname, "hostname", args.Hostname, "Tailscale hostname")
	fs.StringVar(&args.AuthKey, "auth-key", args.AuthKey, "Tailscale auth key")
	fs.BoolVar(&args.Funnel, "funnel", args.Funnel, "Expose on Tailscale funnel")
	fs.StringVar(&args.DataDir, "data-dir", args.DataDir, "tsnet data directory")
	fs.IntVar(&args.Port, "port", args.Port, "Port to proxy")
	return args, fs
}