Support versioning

1 files changed, 11 insertions, 1 deletions

diff --git a/cmd/mirror/main.go b/cmd/mirror/main.go
index 8276a10..e823039 100644
--- a/cmd/mirror/main.go
+++ b/cmd/mirror/main.go
@@ -2,21 +2,26 @@ package main
 
 import (
 	"flag"
+	"fmt"
 	"log"
 	"os"
 
 	"git.server.ky/slackcoder/mirror/internal/service"
 )
 
+// Program version
+var Version string
+
 type Flags struct {
 	Config  string
-	Mirrors string
+	Version bool
 }
 
 func ParseFlags() *Flags {
 	var flags Flags
 
 	flag.StringVar(&flags.Config, "config", "/etc/mirror/mirror.toml", "configuration file")
+	flag.BoolVar(&flags.Version, "version", false, "print version")
 
 	flag.Parse()
 	return &flags
@@ -32,6 +37,11 @@ func exitOnError(err error) {
 func main() {
 	flags := ParseFlags()
 
+	if flags.Version {
+		fmt.Println(Version)
+		os.Exit(0)
+	}
+
 	cfg, err := service.ReadConfig(flags.Config)
 	exitOnError(err)