afeweb-backup

   1 #! /bin/sh
   2
   3 YEARTHISWEEK=`date +%Y-w%V`
   4 YEARLASTWEEK=`date -d '1 week ago' +%Y-w%V`
   5 DAY=`date +%w | sed 's/0/7/'`
   6
   7 LABDIR=/tmp/afeweb.$YEARTHISWEEK-$DAY
   8 if [ $DAY -eq 1 ]; then
   9         OLDTAR=$HOME/backups/afeweb-$YEARLASTWEEK.tar.gz
  10         NEWTAR=$HOME/backups/afeweb-$YEARTHISWEEK.tar.gz
  11 else
  12         OLDTAR=$HOME/backups/afeweb-$YEARTHISWEEK.tar.gz
  13         unset NEWTAR
  14 fi
  15 DIFFGZ=$HOME/backups/afeweb-$YEARTHISWEEK-$DAY.diff.gz
  16 TOPDIR=tolhoneth
  17 SOURCEPARENT=/var/www
  18 SOURCEDIR=tolhoneth
  19
  20 if [ -f $OLDTAR ]; then
  21         # Extract old tarball and set up diffing environment
  22         mkdir $LABDIR
  23         cd $LABDIR
  24         tar xzf $OLDTAR
  25         mv $TOPDIR $TOPDIR.orig
  26         ln -s $SOURCEPARENT/$SOURCEDIR $TOPDIR
  27
  28         # Do the diff and clean up
  29         diff -Naru $TOPDIR.orig $TOPDIR | gzip > $DIFFGZ
  30         cd -
  31         rm -rf $LABDIR
  32 fi
  33
  34 if [ "$NEWTAR" ]; then
  35         # First day of the week, so build a new tarball
  36         cd $SOURCEPARENT
  37         tar czf $NEWTAR $SOURCEDIR
  38         cd -
  39 fi
  40