# ------------------------------------------------------------------------------
 #          FILE:  gnu-utils.plugin.zsh
 #   DESCRIPTION:  oh-my-zsh plugin file.
 #        AUTHOR:  Sorin Ionescu (sorin.ionescu@gmail.com)
 #       VERSION:  1.0.0
 # ------------------------------------------------------------------------------
 
 
 if [[ -x "${commands[gwhoami]}" ]]; then 
   __gnu_utils() {
     emulate -L zsh
     local gcmds
     local gcmd
     local cmd
     local prefix
 
     # coreutils 
     gcmds=('g[' 'gbase64' 'gbasename' 'gcat' 'gchcon' 'gchgrp' 'gchmod'
     'gchown' 'gchroot' 'gcksum' 'gcomm' 'gcp' 'gcsplit' 'gcut' 'gdate'
     'gdd' 'gdf' 'gdir' 'gdircolors' 'gdirname' 'gdu' 'gecho' 'genv' 'gexpand'
     'gexpr' 'gfactor' 'gfalse' 'gfmt' 'gfold' 'ggroups' 'ghead' 'ghostid'
     'gid' 'ginstall' 'gjoin' 'gkill' 'glink' 'gln' 'glogname' 'gls' 'gmd5sum'
     'gmkdir' 'gmkfifo' 'gmknod' 'gmktemp' 'gmv' 'gnice' 'gnl' 'gnohup' 'gnproc'
     'god' 'gpaste' 'gpathchk' 'gpinky' 'gpr' 'gprintenv' 'gprintf' 'gptx' 'gpwd'
     'greadlink' 'grm' 'grmdir' 'gruncon' 'gseq' 'gsha1sum' 'gsha224sum'
     'gsha256sum' 'gsha384sum' 'gsha512sum' 'gshred' 'gshuf' 'gsleep' 'gsort'
     'gsplit' 'gstat' 'gstty' 'gsum' 'gsync' 'gtac' 'gtail' 'gtee' 'gtest'
     'gtimeout' 'gtouch' 'gtr' 'gtrue' 'gtruncate' 'gtsort' 'gtty' 'guname'
     'gunexpand' 'guniq' 'gunlink' 'guptime' 'gusers' 'gvdir' 'gwc' 'gwho'
     'gwhoami' 'gyes')
 
     # Not part of coreutils, installed separately.
     gcmds+=('gsed' 'gtar' 'gtime')
 
     for gcmd in "${gcmds[@]}"; do
       #
       # This method allows for builtin commands to be primary but it's
       # lost if hash -r or rehash -f is executed. Thus, those two 
       # functions have to be wrapped.
       #
       (( ${+commands[$gcmd]} )) && hash ${gcmd[2,-1]}=${commands[$gcmd]}
 
       #
       # This method generates wrapper functions.
       # It will override shell builtins.
       #
       # (( ${+commands[$gcmd]} )) && \
       # eval "function $gcmd[2,-1]() { \"${prefix}/${gcmd//"["/"\\["}\" \"\$@\"; }"
 
       #
       # This method is inflexible since the aliases are at risk of being
       # overriden resulting in the BSD coreutils being called.
       #
       # (( ${+commands[$gcmd]} )) && \
       # alias "$gcmd[2,-1]"="${prefix}/${gcmd//"["/"\\["}"
     done
 
     return 0
   }
   __gnu_utils;
 
   function hash() {
     if [[ "$*" =~ "-(r|f)" ]]; then
       builtin hash "$@"
       __gnu_utils
     else
       builtin hash "$@"
     fi
   }
 
   function rehash() {
     if [[ "$*" =~ "-f" ]]; then
       builtin rehash "$@"
       __gnu_utils
     else
       builtin rehash "$@"
     fi
   }
 fi