fix(genpass): check for presence of shuf command.

"shuf" is not a standard command on MacOS and requires installation of the brew coreutils package

fix(genpass): check for presence of shuf command.
619097cc · Patrick Harrison · Marc Cornellà · 2a0ae331 · 619097cc
Commit 619097cc authored Dec 14, 2020 by Patrick Harrison Committed by Marc Cornellà Dec 14, 2020
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genpass.plugin.zsh plugins/genpass/genpass.plugin.zsh +6 -0

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--- 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