#!/bin/sh
#
# This is developer version.
# See contrib/convertfs for user-friendly version.
#

# device to convert
dev=/dev/hda3

loopdev=/dev/loop7

tmpbase=/convertfs
fs1root=$tmpbase/fs1root
fs2root=$tmpbase/fs2root

fsimage_name=fsimage
fsindex_name=fsindex
fssuper_name=fssuper
fsimage=$fs1root/$fsimage_name
fsindex=$fs1root/$fsindex_name
fssuper=$tmpbase/$fssuper_name

mkdir -p $fs1root || exit
mkdir -p $fs2root || exit

echo "== Creating clone of filesystem's device =="
mount $dev $fs1root || exit
./devclone $dev $fsimage || exit
losetup $loopdev $fsimage || exit

echo "===== Creating destination filesystem ====="
#mkfs.xfs $loopdev || exit
#mkfs.jfs -q $loopdev || exit
mkreiserfs $loopdev || exit

echo "============== Moving files ==============="
mount $loopdev $fs2root || exit
for file in `ls -1A $fs1root`; do
	if [ "x$file" != "x$fsimage_name" ] &&
	   [ "x$file" != "x$fsindex_name" ] &&
	   [ "x$file" != "xlost+found" ] &&
	   [ "x$file" != "x$fssuper_name" ]; then
		mv -f $fs1root/$file $fs2root/ || exit
	fi
done
ls -lA $fs2root
df -h $fs2root
umount $loopdev || exit
losetup -d $loopdev || exit

echo "=== Preparing info for block relocation ==="
./prepindex $fsimage $fsindex $fssuper || exit
ls -l $fs1root
umount $dev || exit
dd if=$fssuper of=$dev || exit
sync

echo "============ Relocating blocks ============"
./devremap $dev || exit

echo "=== Filesystem conversion accomplished! ==="