fix(theme-and-appearance): test color ls with $ZSH directory

lib/theme-and-appearance.zsh

@@ -7,32 +7,37 @@ export LSCOLORS="Gxfxcxdxbxegedabagacad"
 # TODO organise this chaotic logic
 
 if [[ "$DISABLE_LS_COLORS" != "true" ]]; then
+  if [[ -d "$ZSH" ]]; then
+    _test_dir="$ZSH"
+  else
+    _test_dir="."
+  fi
   # Find the option for using colors in ls, depending on the version
   if [[ "$OSTYPE" == netbsd* ]]; then
     # On NetBSD, test if "gls" (GNU ls) is installed (this one supports colors);
     # otherwise, leave ls as is, because NetBSD's ls doesn't support -G
-    gls --color -d . &>/dev/null && alias ls='gls --color=tty'
+    gls --color -d "$_test_dir" &>/dev/null && alias ls='gls --color=tty'
   elif [[ "$OSTYPE" == openbsd* ]]; then
     # On OpenBSD, "gls" (ls from GNU coreutils) and "colorls" (ls from base,
     # with color and multibyte support) are available from ports.  "colorls"
     # will be installed on purpose and can't be pulled in by installing
     # coreutils, so prefer it to "gls".
-    gls --color -d . &>/dev/null && alias ls='gls --color=tty'
-    colorls -G -d . &>/dev/null && alias ls='colorls -G'
+    gls --color -d "$_test_dir" &>/dev/null && alias ls='gls --color=tty'
+    colorls -G -d "$_test_dir" &>/dev/null && alias ls='colorls -G'
   elif [[ "$OSTYPE" == (darwin|freebsd)* ]]; then
     # this is a good alias, it works by default just using $LSCOLORS
-    ls -G . &>/dev/null && alias ls='ls -G'
+    ls -G "$_test_dir" &>/dev/null && alias ls='ls -G'
 
     # only use coreutils ls if there is a dircolors customization present ($LS_COLORS or .dircolors file)
     # otherwise, gls will use the default color scheme which is ugly af
-    [[ -n "$LS_COLORS" || -f "$HOME/.dircolors" ]] && gls --color -d . &>/dev/null && alias ls='gls --color=tty'
+    [[ -n "$LS_COLORS" || -f "$HOME/.dircolors" ]] && gls --color -d "$_test_dir" &>/dev/null && alias ls='gls --color=tty'
   else
     # For GNU ls, we use the default ls color theme. They can later be overwritten by themes.
     if [[ -z "$LS_COLORS" ]]; then
       (( $+commands[dircolors] )) && eval "$(dircolors -b)"
     fi
 
-    ls --color -d . &>/dev/null && alias ls='ls --color=tty' || { ls -G . &>/dev/null && alias ls='ls -G' }
+    ls --color -d "$_test_dir" &>/dev/null && alias ls='ls --color=tty' || { ls -G "$_test_dir" &>/dev/null && alias ls='ls -G' }
 
     # Take advantage of $LS_COLORS for completion as well.
     zstyle ':completion:*' list-colors "${(s.:.)LS_COLORS}"