From c7b78140b84dfa41090fc42be1e3c2cecabec7e4 Mon Sep 17 00:00:00 2001
From: sewn <sewn@disroot.org>
Date: Mon, 25 Sep 2023 21:57:18 +0300
Subject: [PATCH] cmd/vinegar: print usage on no program in exec command

---
 cmd/vinegar/vinegar.go | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/cmd/vinegar/vinegar.go b/cmd/vinegar/vinegar.go
index 5967c926..cc42903a 100644
--- a/cmd/vinegar/vinegar.go
+++ b/cmd/vinegar/vinegar.go
@@ -67,6 +67,10 @@ func main() {
 
 		switch cmd {
 		case "exec":
+			if len(args) < 2 {
+				usage()
+			}
+
 			if err := pfx.Wine(args[1], args[2:]...).Run(); err != nil {
 				log.Fatal(err)
 			}