Add undocumented --version flag

2018-05-24 01:52:22 +02:00
parent 28a167e828
commit 4a9de3218e
3 changed files with 17 additions and 2 deletions
--- a/main.go
+++ b/main.go
@@ -74,6 +74,11 @@ func warning() {
 }

 func main() {
+	if len(os.Args) == 2 && os.Args[1] == "--version" {
+		fmt.Printf("wireguard-go v%s\n\nUserspace WireGuard daemon for %s-%s.\nInformation available at https://www.wireguard.com.\nCopyright (C) Jason A. Donenfeld <Jason@zx2c4.com>.\n", WireGuardGoVersion, runtime.GOOS, runtime.GOARCH)
+		return
+	}
+
 	warning()

 	// parse arguments