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path: root/cmd/mirror/main.go
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package main

import (
	"flag"
	"fmt"
	"log"
	"os"

	"git.server.ky/slackcoder/mirror/internal/service"
)

// Program version
var Version string

type Flags struct {
	Config    string
	ConfigDir string
	Version   bool
}

func ParseFlags() *Flags {
	var flags Flags

	flag.StringVar(&flags.Config, "config", "/etc/mirror/mirror.toml", "configuration file which takes precedence")
	flag.StringVar(&flags.ConfigDir, "config-dir", "/etc/mirror/conf.d", "configuration directory")
	flag.BoolVar(&flags.Version, "version", false, "print version")

	flag.Parse()
	return &flags
}

func exitOnError(err error) {
	if err != nil {
		log.Printf("%s", err)
		os.Exit(-1)
	}
}

func main() {
	flags := ParseFlags()

	if flags.Version {
		fmt.Println(Version)

		os.Exit(0)
	}

	var cfg service.Config

	c, err := service.ReadConfigDir(flags.ConfigDir)
	exitOnError(err)

	cfg.Append(c)

	c, err = service.ReadConfig(flags.Config)
	exitOnError(err)

	cfg.Append(c)

	srv, err := service.NewService(&cfg)
	exitOnError(err)

	err = srv.Run()
	exitOnError(err)
}