dmenu_path: always use the cachedir

dmenu_path

@@ -1,10 +1,10 @@
 #!/bin/sh
-cachedir=${XDG_CACHE_HOME:-"$HOME/.cache"}
+
-if [ -d "$cachedir" ]; then
+cachedir="${XDG_CACHE_HOME:-"$HOME/.cache"}"
-	cache=$cachedir/dmenu_run
+cache="$cachedir/dmenu_run"
-else
+
-	cache=$HOME/.dmenu_cache # if no xdg dir, fall back to dotfile in ~
+[ ! -e "$cachedir" ] && mkdir -p "$cachedir"
-fi
+
 IFS=:
 if stest -dqr -n "$cache" $PATH; then
 	stest -flx $PATH | sort -u | tee "$cache"