+if installed herbstluftwm; then
+ herbstluftwm --locked >~/.config/herbstluftwm/log 2>&1
+elif installed xmonad; then
+ xmonad
+elif installed stumpwm; then
+ stumpwm
+else
+ error 'no window manager found (sleeping for 3600 seconds)'
+ sleep 3600
+fi
+