#!/bin/bash

# backs up crucial directories on my server into the allotted backup area.
#
# Author: Chris Koeritz

# given a source and target folder, this synchronizes the source into the target.
function synch_to_backup()
{
  local source="$1"; shift
  local dest="$1"; shift
  if [ -z "$source" -o -z "$dest" ]; then
    echo synch_to_backup function requires a source and a target folder to synch.
    exit 1
  fi
  echo "Synchronizing $source into $dest."
  synch_files "$source" "$dest"
  continue_on_error "synching $source to $dest"
}

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

# main body of script...

# just undo it first, to try to be sure we know we are mounted properly later.
#NO LONGER USING MOUNT: umount /z/backup &>/dev/null

# now saddle up the backup.
#NO LONGER USING MOUNT: mount /z/backup/
#NO LONGER USING MOUNT: exit_on_error "mounting backup folder"

# we should always be synching to an existing set in there.  make sure they exist.
# for the first ever backup, this is not a good check...
#test -d /z/backup/etc -a -d /z/backup/home
#exit_on_error "testing presence of prior backup"

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

synch_to_backup /etc /z/backup/etc/

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

for subdir in fred/Maildir git sharedspam svn trac www-data ; do 
  synch_to_backup /home/$subdir /z/backup/home/$subdir
done

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

synch_to_backup /var/lib/mailman /z/backup/var/lib/mailman
synch_to_backup /var/lib/mysql /z/backup/var/lib/mysql

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

#NO LONGER USING MOUNT: umount /z/backup/
#NO LONGER USING MOUNT: exit_on_error "unmounting backup folder"