From fcfbf3354d8411c321a2291bb6640f9d619b4da2 Mon Sep 17 00:00:00 2001
From: Julian Prein <druckdev@protonmail.com>
Date: Wed, 24 May 2023 12:14:13 +0200
Subject: [PATCH] vim:diffcmds(): Error if no args were supplied

---
 .config/zsh/zshrc.d/40-functions.zsh | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/.config/zsh/zshrc.d/40-functions.zsh b/.config/zsh/zshrc.d/40-functions.zsh
index 01767e9..8f55489 100644
--- a/.config/zsh/zshrc.d/40-functions.zsh
+++ b/.config/zsh/zshrc.d/40-functions.zsh
@@ -641,6 +641,10 @@ diffcmds() {
 	fi
 
 	local i=${@[(ei)--]}
+	if (( i >= # )); then
+		printf >&2 "Usage: $0 <template> -- arg...\n"
+		return 1
+	fi
 
 	local cmdline="vimdiff"
 	for arg in "${@:$((i+1))}"; do