#!/bin/bash
#  $HeadURL: https://svn.pasta.freemyip.com/main/miniade/trunk/bin/nop-sh $ $LastChangedRevision: 10133 $

#  Modules
. $(miniade) || { echo "${0##*/}: ERROR: miniade failed (hint: run 'miniade' to see error)" >&2; exit 1; }

#  Configurable stuff
SRC_VTAPE=vtape009
DST_VTAPE=vtape008

#  Other globals

main()
{
    local MY_ARGS
    #  Defaults for options

    #  Process options
    miniade_process_options MY_ARGS "$@" && set -- "${MY_ARGS[@]}"

    #  Process arguments
    [ $# = 0 ] || usage

    #  Sanity checks and derivations

    #  Guts
    while read SRC_ZFS; do
       #  Skip filesystems not on the *source* vtape.
       [[ $SRC_ZFS =~ $SRC_VTAPE ]] || continue
       #  For testing
       #[[ $SRC_ZFS =~ damson ]] || continue

       DST_ZFS=${SRC_ZFS/$SRC_VTAPE/$DST_VTAPE}
       echo "$SRC_ZFS --> $DST_ZFS ..."
       my_zfs_mount $SRC_ZFS
       if ! zfs list $DST_ZFS > /dev/null 2>&1; then
           miniade_evaler "zfs create -p $DST_ZFS"
           miniade_evaler "zfs set acltype=posixacl $DST_ZFS"
       fi
       my_zfs_mount $DST_ZFS
       miniade_evaler "rsync -axHAX --delete /srv/$SRC_ZFS/ /srv/$DST_ZFS/"
       miniade_evaler "zfs umount $DST_ZFS"
       miniade_evaler "zfs umount $SRC_ZFS"
    done < <(zfs list -o name | egrep "^$SRC_VTAPE.*/.*")
}
    
my_zfs_mount()
{
    [ "X$(zfs get -H -o value mounted $1 2>/dev/null)" != Xyes ] || return 0
    miniade_evaler "zfs mount $1"
}

main "$@"