From 619097cc2ad31c1b5086870293739d41dd4129c3 Mon Sep 17 00:00:00 2001
From: Patrick Harrison <mestizo@gmail.com>
Date: Mon, 14 Dec 2020 09:52:02 +0700
Subject: [PATCH] fix(genpass): check for presence of shuf command.

"shuf" is not a standard command on MacOS and requires installation of the brew coreutils package
---
 plugins/genpass/genpass.plugin.zsh | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/plugins/genpass/genpass.plugin.zsh b/plugins/genpass/genpass.plugin.zsh
index e7f86bf7a..f1ad80bba 100644
--- a/plugins/genpass/genpass.plugin.zsh
+++ b/plugins/genpass/genpass.plugin.zsh
@@ -75,6 +75,12 @@ genpass-xkcd() {
   # Generates a 128-bit XKCD-style passphrase
   # EG, 9-mien-flood-Patti-buxom-dozes-ickier-pay-ailed-Foster
   # Can take a numerical argument for generating extra passwords
+
+  if (( ! $+commands[shuf] )); then
+    echo >&2 "$0: \`shuf\` command not found. Install coreutils (\`brew install coreutils\` on macOS)."
+    return 1
+  fi
+
   local -i i num
 
   [[ $1 =~ '^[0-9]+$' ]] && num=$1 || num=1