Separate avahi configuration

src/freedombone

   echo 'install_atheros_wifi' >> $COMPLETION_FILE
 }
 
+function configure_avahi {
+  if grep -Fxq "configure_avahi" $COMPLETION_FILE; then
+      return
+  fi
+  # only enable avahi if we're doing mesh networking
+  if [[ $ENABLE_BABEL != "yes" && $ENABLE_BATMAN != "yes" && $ENABLE_CJDNS != "yes" ]]; then
+      return
+  fi
+  apt-get -y install avahi-utils avahi-autoipd
+
+  if [ $DEFAULT_DOMAIN_NAME ]; then
+      sed -i "s|#host-name=.*|host-name=$DEFAULT_DOMAIN_NAME|g" /etc/avahi/avahi-daemon.conf
+  else
+      decarray=( 1 2 3 4 5 6 7 8 9 0 )
+      PEER_ID=${decarray[$RANDOM%10]}${decarray[$RANDOM%10]}${decarray[$RANDOM%10]}${decarray[$RANDOM%10]}
+      sed -i "s|#host-name=.*|host-name=freedombone-$PEER_ID|g" /etc/avahi/avahi-daemon.conf
+  fi
+  systemctl restart avahi-daemon
+  echo 'configure_avahi' >> $COMPLETION_FILE
+}
+
 function mesh_babel {
   if grep -Fxq "mesh_babel" $COMPLETION_FILE; then
       return
   if [[ $ENABLE_BABEL != "yes" ]]; then
       return
   fi
-  apt-get -y install babeld avahi-utils avahi-autoipd
+  apt-get -y install babeld
 
   numarray=( 1 2 3 4 5 6 7 8 9 0 )
   a=${numarray[$RANDOM%2]}${numarray[$RANDOM%10]}${numarray[$RANDOM%10]}
 
   apt-get -y install iproute bridge-utils libnetfilter-conntrack3 batctl
   apt-get -y install python-dev libevent-dev ebtables python-pip git
-  apt-get -y install avahi-utils avahi-autoipd wireless-tools
+  apt-get -y install wireless-tools
 
   install_vpn_tunnel
 
 time_synchronisation
 configure_internet_protocol
 create_git_project
+configure_avahi
 install_atheros_wifi
 mesh_cjdns
 mesh_cjdns_tools