From d743baa4d491655b141d7c4c37c89dc5916daead Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Luk=C3=A1=C5=A1=20Kucharczyk?= <lukas@kucharczyk.xyz>
Date: Wed, 16 Nov 2022 08:00:13 +0100
Subject: [PATCH] Add help for listtags

---
 tag.sh | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tag.sh b/tag.sh
index a883084..bf63678 100755
--- a/tag.sh
+++ b/tag.sh
@@ -190,6 +190,7 @@ main() {
     fi 
 
     if [[ "$1" = "listtags" ]]; then
+        [ -z "${2:-}" ] && fail "Usage: $SCRIPT_NAME listtags filename"
         listtags "$2"
         exit 0
     fi