[zsh] Update shell init: rc

zsh/func/init_rc_configure_ls

@@ -0,0 +1,41 @@
+#!/usr/bin/env zsh
+# Eryn Wells <eryn@erynwells.me>
+
+function init_configure_ls
+{
+    local has_gnu_ls
+    local ls_options
+
+    if [[ ! -e "$1" ]]; then
+        shell-log -l error 'Missing required path to ls binary'
+        return
+    fi
+
+    if $1 --version 2>&1 | grep GNU 1>/dev/null; then
+        has_gnu_ls=1
+        ls_options='--color=auto'
+    else
+        has_gnu_ls=0
+        ls_options='-G'
+    fi
+
+    shell-log -l debug "Setting up aliases for $1"
+    alias ls="$1 $ls_options"
+    alias la="$1 -A $ls_options"
+    alias ll="$1 -l $ls_options"
+    alias l.="$1 -d $ls_options .*"
+
+    local dircolors_bin=`whence -p dircolors || whence -p gdircolors`
+    if [[ $has_gnu_ls -eq 1 && -n "$dircolors_bin" ]]; then
+        if [[ -e "$HOME/.dircolors/$SYS.cfg" ]]; then
+            dircolors="$HOME/.dircolors/$SYS.cfg"
+        else
+            dircolors="$HOME/.dircolors/default.cfg"
+        fi
+
+        shell-log -l debug "Setting up dircolors: `basename $dircolors`"
+        eval `$dircolors_bin $dircolors`
+    fi
+}
+
+init_configure_ls "$@"