#! /bin/bash 
# this is sourced from lvmbuilder to process the optional parameters.
#   lvmbuilder -- Debian package builder using LVM
#   Copyright (C) 2007 Kapil Hari Paranjape
#   based on:
#   pbuilder -- personal Debian package builder
#   Copyright (C) 2001-2006 Junichi Uekawa
#
#   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; either version 2 of the License, or
#   (at your option) any later version.
#
#   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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA


# We check all the parameters that are relevant to us
# and add the rest to the pbuilder command line to
# be used to call pbuilder
. /usr/lib/pbuilder/pbuilder-loadconfig
. $LVMBLIB/lvmbuilder-unimplemented


# Storage for the command line
declare -a PBCMDLINE

# The devices
TOTALNAME=lvmbuilder-total
TOTALDEV=/dev/mapper/$TOTALNAME
WORKNAME=lvmbuilder-work
WORKDEV=/dev/mapper/$WORKNAME

while [ -n "$1" ]; do 
    case "$1" in 
# First the meaningful options
	--basedev)
	    BASEDEV="$2";
	    shift; shift;
	    ;;
	--cowdev)
	    COWDEV="$2";
	    shift; shift;
	    ;;
	--buildplace)
	    BUILDPLACE="$2";
	    shift; shift;
	    ;;
	--debug)
	    PBCMDLINE+=("--debug");
	    set -x;
	    shift;
	    ;;
	--configfile)
	    if [ ! -f "$2" ]; then
		echo "E: Config file $2 does not exist" >&2
		exit 1
	    fi
	    . "$2";
	    PBCMDLINE+=("--configfile" "$2");
	    shift; shift; 
	    ;;
# We also grab those options that are likely to be meaningless with
# lvmbuilder
	--basetgz)
	    BASETGZ="$2";
	    warn_option $1;
	    shift; shift;
	    ;;
	--hookdir)
	    HOOKDIR="$2";
	    warn_option $1;
	    shift; shift;
	    ;;
	--preserve-buildplace)
	    PRESERVE_BUILDPLACE="yes"
	    warn_option $1;
	    shift;
	    ;;
	--bindmounts)
	    BINDMOUNTS="${BINDMOUNTS} $2"
	    warn_option $1;
	    shift; shift;
	    ;;
	--save-after-login|--save-after-exec)
	    SAVE_AFTER_LOGIN=yes;
	    warn_option $1;
	    shift;
	    ;;
	--internal-chrootexec)
	    CHROOTEXEC="$2"
	    warn_option $1;
	    shift; shift;
	    ;;
	--internal-build-uml)
	    INTERNAL_BUILD_UML="yes"
	    IGNORE_UMOUNT="no"
	    warn_option $1;
	    shift; 
	    ;;
	--|*.dsc)
	    break;
	    ;;
	*)
	    PBCMDLINE+=("$1");
	    shift;
	    ;;
  esac
done

# Add a no-targz option at the end of the cmdline to override
# any conflicting options set by the user
PBCMDLINE+=("--no-targz");

# These variables must be defined properly in order for us to proceed!
BUILDPLACE=${BUILDPLACE:?"E: Build root directory is not defined"}
if [ ! -d "$BUILDPLACE" ] ; then
	echo "E: Directory $2 does not exist" >&2 
	exit 1
else
	BUILDPLACE=$(readlink -f "$BUILDPLACE")
	PBCMDLINE+=("--buildplace" "$BUILDPLACE")
fi
BASEDEV=${BASEDEV:?"E: Base device is not defined"}
if [ ! -b "$BASEDEV" ] ; then
   	echo "E: Base device is not a block device" >&2
    	exit 1
else
	BASEDEV=$(readlink -f "$BASEDEV")
fi
COWDEV=${COWDEV:?"E: Cow device is not defined"}
if [ ! -b "$COWDEV" ]; then
	echo "E: Cow device is not a block device" >&2
	exit 1
else
	COWDEV=$(readlink -f "$COWDEV")
fi

PBCMDLINE+=("$@")