#!/bin/bash
# Create UML root filesystem
#
# Copyright (C) 2004  Eric Marchionni, Patrik Rayo
# Zuercher Hochschule Winterthur
#
# 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.  See <http://www.fsf.org/copyleft/gpl.txt>.
#
# 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.

DIR=`dirname $0`

source $DIR/function.sh

[ -f $DIR/../testing.conf ] || die "!! Configuration file 'testing.conf' not found"

source $DIR/../testing.conf

cecho-n " * Looking for root image at '$ROOTFS'.."
if [ -f "$ROOTFS" ]
then
    cgecho "found it"
else
    cecho "none"
    exit
fi

[ -d $BUILDDIR ] || die "!! Directory '$BUILDDIR' does not exist"

ROOTFSDIR=$BUILDDIR/root-fs

if [ ! -d $ROOTFSDIR ]
then
    cecho-n " * Root file system directory '$ROOTFSDIR' does not exist..creating.."
    mkdir $ROOTFSDIR
    cgecho "done"
fi

cd $ROOTFSDIR

if [ ! -d $LOOPDIR ]
then
    mkdir $LOOPDIR
fi

######################################################
# mount root image
#
BASE=$BUILDDIR/base.img
cecho-n " * Mounting base image $BASE.."
cp $ROOTFS $BASE
mount -o loop $BASE $LOOPDIR >> $LOGFILE 2>&1
mount -t proc none $LOOPDIR/proc >> $LOGFILE 2>&1
cgecho "done"

######################################################
# install software from source using 'recipes'
#
mkdir -p $ROOTFSCOMPILEDIR
cecho " * Mounting $ROOTFSCOMPILEDIR as /root/compile.."
mkdir -p $LOOPDIR/root/compile
mount -o bind $ROOTFSCOMPILEDIR $LOOPDIR/root/compile >> $LOGFILE 2>&1

cecho " * Installing software from source.."
RECPDIR=$UMLTESTDIR/testing/scripts/recipes
RECIPES=`ls $RECPDIR/*.mk | xargs -n1 basename`
cp -r $RECPDIR/patches $LOOPDIR/root/compile
for r in $RECIPES
do
	cecho-n "   - $r.."
	cp $RECPDIR/$r ${LOOPDIR}/root/compile
	chroot ${LOOPDIR} make SWANVERSION=$SWANVERSION -C /root/compile -f $r \
		>> $LOGFILE 2>&1
	if [ $? != 0 ]; then
		cecho "failed"
	else
		cgecho "done"
	fi
done

umount $LOOPDIR/root/compile

cecho " * Setting up shared build tree at /root/compile"
echo "" >> $LOOPDIR/etc/fstab
echo "none /root/compile hostfs $ROOTFSCOMPILEDIR" >> $LOOPDIR/etc/fstab

######################################################
# remove /etc/resolv.conf
#
cecho " * Removing /etc/resolv.conf"
rm -f $LOOPDIR/etc/resolv.conf

umount $LOOPDIR/proc
umount $LOOPDIR