versioned-backup.sh

#!/bin/sh

# uses rsync's hard-link feature to mimic the function and structure of Apple's Time Machine.

# my server's name is 'shiny', which I evidently used to mount on /backup.
TARGET=/backup/shiny

date=`date "+%Y-%m-%dT%H:%M:%S"`
rsync --exclude=.AppleDouble -aCPv --link-dest=$TARGET/current $HOME $TARGET/back-$date
cd $TARGET
rm current
ln -s back-$date current

# I had this disabled, but it was a nice touch.
touch $TARGET/../.last-rsync