Return 1 when GNU Core Utilities are not found

plugins/gnu-utils/init.zsh

@@ -5,8 +5,12 @@
 #   Sorin Ionescu <sorin.ionescu@gmail.com>
 #
 
-if (( $+commands[gdircolors] )); then
+# Check for the presence of GNU Core Utilities.
-  function __gnu_utils {
+if (( ! $+commands[gdircolors] )); then
+  return 1
+fi
+
+function __gnu_utils {
   emulate -L zsh
   local gcmds
   local gcmd
@@ -43,32 +47,31 @@ if (( $+commands[gdircolors] )); then
   done
 
   return 0
-  }
+}
-  __gnu_utils;
+__gnu_utils;
 
-  function hash {
+function hash {
   if (( $+argv[(er)-r] )) || (( $+argv[(er)-f] )); then
     builtin hash "$@"
     __gnu_utils
   else
     builtin hash "$@"
   fi
-  }
+}
 
-  function rehash {
+function rehash {
   hash -r "$@"
-  }
+}
 
-  # A sensible default for ls.
+# A sensible default for ls.
-  alias ls='ls --group-directories-first'
+alias ls='ls --group-directories-first'
 
-  if zstyle -t ':omz:alias:ls' color; then
+if zstyle -t ':omz:alias:ls' color; then
   if [[ -f "$HOME/.dir_colors" ]]; then
     eval $(gdircolors "$HOME/.dir_colors")
   fi
   alias ls="$aliases[ls] --color=auto"
-  else
+else
   alias ls="$aliases[ls] -F"
-  fi
 fi