#!/bin/sh -e
#
#  Copyright (C) Cfengine AS
#
#  This file is part of Cfengine 3 - written and maintained by Cfengine AS.
#
#  This program is free software; you can redistribute it and/or modify it
#  under the terms of the GNU General Public License as published by the
#  Free Software Foundation; version 3.
#
#  This program is distributed in the hope that it will be useful,
#  but WITHOUT ANY WARRANTY; without even the implied warranty of
#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#  GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License  
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA
#
# To the extent this program is licensed as part of the Enterprise
# versions of Cfengine, the applicable Commercial Open Source License
# (COSL) may apply to this file if you as a licensee so wish it. See
# included file COSL.txt.
#

usage() {
  echo
  echo "Usage: berkeley2tc INDB OUTDB"
  echo
  echo " Converts Berkeley DB database to Tokyo Cabinet database"
  echo
}

if [ $# -ne 2 ]; then
  usage >&2
  exit 1
fi

INDB="$1"
OUTDB="$2"

DBDUMP=${DBDUMP:-db5.1_dump}
TCHMGR=${TCHMGR:-tchmgr}

convert_db() {
  while read line; do
    if [ "x$line" = "xHEADER=END" ]; then
      break
    fi
  done

  while true; do
    read key
    if [ "x$key" = "xDATA=END" ]; then
      break
    fi
    read value
    "$TCHMGR" put -nl -sx "$OUTDB" $key $value
  done
}

"$TCHMGR" create "$OUTDB"

"$DBDUMP" "$INDB" | convert_db
