#!/bin/ksh

# This script performs an rsync between one directory and another, assuming
# it's going to be used for making an "alt" backup of your / partition.
# The destination must be a mounted drive (not a subdirectory).

#### Configuration: Edit the next few lines to set this script up.
# BUILDEXCLUDE: Full path the the build.exclude script that creates the
#   exclude list for rsync.
BUILDEXCLUDE=/YOURSCRIPTDIR/build.exclude
#### End of configuration

# Check number of arguments.
if [[ $# != 2 ]]
then
    echo "
      Usage: $0 fileSys1 fileSys2
         Example: $0 /  /alt
    "
    exit 1
fi

# Parse command line.
fileSys1=$1
fileSys2=$2

# Check that the alternate filesystem is mounted.
mount ${fileSys2} > /dev/null 2>&1
output=`df -P ${fileSys2} | grep -v Filesystem | awk '{print $NF}'`
if [[ ${output} != "${fileSys2}" ]]
then
   echo "Destination file system is not mounted"
   exit 1
fi

# Build exclude list.
$BUILDEXCLUDE /tmp/exclude.list

# Do the actual rsync.
/usr/bin/rsync -avHS --delete --exclude-from=/tmp/exclude.list ${fileSys1}/ ${fileSys2}

# fsck the filesystem for partion fileSys2
cd /
dev=`df -k |egrep "% ${fileSys2}$"|awk '{print $1}'`
umount ${fileSys2}
/sbin/fsck -a -f ${dev}
mount ${fileSys2}