Something

 #!/bin/bash

GARNOME=$HOME/garnome

## Use GARNOME's DBus, HAL, and Avahi

## Fedora users should uncomment this section
#if [ `grep "<user>messagebus</user>" $GARNOME/etc/dbus-1/system.conf` ]; then
#       cat $GARNOME/etc/dbus-1/system.conf | \
#       sed 's,<user>messagebus</user>,<user>dbus</user>,' > \
#       $GARNOME/etc/dbus-1/system.conf;
#fi

su -c "pkill dbus; \
       pkill avahi-daemon; \
       pkill avahi-dnsconfd; \
       pkill hald; \
       rm -rf $GARNOME/var/run/messagebus.pid; \
       rm -rf $GARNOME/var/run/avahi-daemon/pid; \
       rm -rf $GARNOME/var/run/haldaemon.pid; \
       $GARNOME/bin/dbus-daemon --system; \
       $GARNOME/sbin/avahi-daemon -D; \
       $GARNOME/sbin/avahi-dnsconfd -D; \
       $GARNOME/sbin/hald"