From 428866e28def25593e7dd73f1c3bd909db47635b Mon Sep 17 00:00:00 2001
From: Johan Kaving <johan.kaving@looklet.com>
Date: Sat, 6 Jan 2024 12:32:18 +0100
Subject: [PATCH] fix(macos): print usage for `man-preview` with no args
 (#12147)

---
 plugins/macos/macos.plugin.zsh | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/plugins/macos/macos.plugin.zsh b/plugins/macos/macos.plugin.zsh
index e27d412c8..a4347005e 100644
--- a/plugins/macos/macos.plugin.zsh
+++ b/plugins/macos/macos.plugin.zsh
@@ -224,6 +224,8 @@ function quick-look() {
 }
 
 function man-preview() {
+  [[ $# -eq 0 ]] && >&2 echo "Usage: $0 command1 [command2 ...]" && return 1
+
   local page
   for page in "${(@f)"$(man -w $@)"}"; do
     command mandoc -Tpdf $page | open -f -a Preview