fix(macos): print usage for `man-preview` with no args (#12147)

2 years ago · 428866e28d
parent 8980ffebbc
commit 428866e28d
1 changed files with 2 additions and 0 deletions
--- 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