Fix colorscheme

init.vim

@@ -66,8 +66,12 @@ set colorcolumn=80,120
 "}}}
 
 " Visuals ---- {{{
-" colorscheme atom-dark
+if isdirectory(system('echo -n "${XDG_CACHE_HOME:-$HOME/.cache}/wal"'))
     colorscheme guiwal
+else
+    colorscheme atom-dark
+endif
+
 set t_Co=256 "User 256 colors. This is useful for terminal vim
 set guifont=Fira_Code:h17
 set guioptions-=e "We don't want GUI tabs