git sync

See the git sync library upon which this depends, and the post that explains the functioning of this tool.

 #!/bin/zsh

 source /home/user/bin/git-sync-lib

 backup(){
     rm /home/user/configs/crontab.`hostname | cut -d . -f 1`
     crontab -l > /home/user/configs/crontab.`hostname | cut -d . -f 1`
     cp ~/.Xdefaults /home/user/configs/archive/xorg/xdefaults.`hostname | cut -d . -f 1`
     cp /etc/hosts /home/user/configs/archive/etc-hosts.`hostname | cut -d . -f 1`
     if [ `hostname | cut -d . -f 1` = arendt ]; then 
         sudo cp /boot/grub/grub.cfg /home/user/configs/archive/grub2.`hostname | cut -d . -f 1`
         sudo chown tychoish:tychoish /home/user/configs/archive/grub2.`hostname | cut -d . -f 1`
     fi
 }

 half-sync(){
     syncup >/dev/null 2>&1 && 
     xmpp-notify "[`hostname | cut -d . -f 1`.sync]: all repositories are sync'd. (half)" 
 }

 full-sync(){
     backup

     autoci >/dev/null 2>&1 && 
     syncup >/dev/null 2>&1 && 
     xmpp-notify "[`hostname | cut -d . -f 1`.sync]: all changes commited and system sync'd. (full)"
  }

 ############################################

 # TODO: rewrite the following using the `case` form

 if [ "$1" = "backup" ]; then 
     backup
 elif [ `ifconfig | grep -c "wlan"` = "1" -o `ifconfig eth0 | grep -c "inet addr"` = "1" ]; then 
     $1-sync
 else 
     echo "-- The network connection may not support this operation."
     echo "   Use \`autoci\` \`backup\` and \`syncup\` manually." 
 fi