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#!/bin/sh
if [ $# -ne 2 ]; then
echo "Usage: $0 <tarball> <ext2 size>"
exit
fi
ext=`echo $1 | sed -r -e 's/.+\.([^.]+\.[^.]+)/\1/'`
base=$(basename $1 .$ext)
if [ "$ext" == "tar.bz2" ]; then
uncompress=j
else
uncompress=z
fi
dd if=/dev/zero of=$base.img bs=1M count=$2
mkfs.ext2 -F -m1 $base.img
mkdir -p mnt
mount -o loop $base.img mnt
tar -x$uncompress -f $1 -C mnt
umount mnt
rm -rf mnt
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