Add version string

Author: dsh2dsh

cmd/root.go

@@ -45,7 +45,8 @@ func init() {
 	rootCmd.AddCommand(&lastSeenCmd)
 }
 
-func Execute() {
+func Execute(version string) {
+	rootCmd.Version = version
 	if err := rootCmd.Execute(); err != nil {
 		os.Exit(1)
 	}

main.go

@@ -2,6 +2,8 @@ package main
 
 import "github.com/dsh2dsh/check_syncthing/cmd"
 
+var version string
+
 func main() {
-	cmd.Execute()
+	cmd.Execute(version)
 }