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|
#!/usr/bin/env bash
filesystem=ext2
while getopts "f:i" option
do
case $option in
f)
filesystem=$OPTARG
;;
i)
initramfs=1
;;
*)
printf "Option not recognized\n"
exit 1
;;
esac
done
shift $(($OPTIND - 1))
if [ $(id -u) -ne 0 ];then
printf "Installation is only possible as root\n"
exit 1
fi
printf "Checking if mkfs is installed"
mkfs=$(which mkfs.$filesystem)
if [ ! -z $mkfs -a -x $mkfs ];then
printf "...okay\n"
else
printf "...failed\n"
exit 1
fi
printf "Checking if parted is installed"
parted=$(which parted)
if [ ! -z $parted -a -x $parted ];then
printf "...okay\n"
else
printf "...failed\n"
exit 1
fi
printf "Checking if qemu-img is installed"
qimg=$(which qemu-img)
if [ ! -z $qimg -a -x $qimg ];then
printf "...okay\n"
else
printf "...failed\n"
exit 1
fi
if [ -z $1 ];then
printf "Please give the name of the image file\n"
exit 1
fi
if [ -z $initramfs ];then
if [ -z $2 ];then
printf "Please give the name of the openadk archive file\n"
exit 1
fi
else
if [ -z $2 ];then
printf "Please give the full path prefix to kernel/initramfs\n"
exit 1
fi
fi
printf "Generate qemu image (512 MB)\n"
$qimg create -f raw $1 512M >/dev/null
printf "Creating filesystem $filesystem\n"
printf "Create partition and filesystem\n"
$parted -s $1 mklabel msdos
$parted -s $1 mkpart primary ext2 0 100%
$parted -s $1 set 1 boot on
dd if=$1 of=mbr bs=16384 count=1 2>/dev/null
dd if=$1 skip=16384 of=$1.new 2>/dev/null
if [ "$filesystem" = "ext2" -o "$filesystem" = "ext3" -o "$filesystem" = "ext4" ];then
mkfsopts=-F
fi
mkfs.$filesystem $mkfsopts ${1}.new >/dev/null
if [ $? -eq 0 ];then
printf "Successfully created partition\n"
#$parted $1 print
else
printf "Partition creation failed, Exiting.\n"
exit 1
fi
cat mbr ${1}.new > $1
rm ${1}.new
rm mbr
tmp=$(mktemp -d)
mount -o loop,offset=16384 -t $filesystem $1 $tmp
if [ -z $initramfs ];then
printf "Extracting install archive\n"
tar -C $tmp -xzpf $2
printf "Fixing permissions\n"
chmod 1777 $tmp/tmp
chmod 4755 $tmp/bin/busybox
else
printf "Copying kernel/initramfs\n"
mkdir $tmp/boot $tmp/dev
cp $2-kernel $tmp/boot/kernel
cp $2-initramfs $tmp/boot/initramfs
fi
#printf "Creating device nodes\n"
mknod -m 666 $tmp/dev/zero c 1 5
mknod -m 666 $tmp/dev/null c 1 3
mknod -m 622 $tmp/dev/console c 5 1
mknod -m 666 $tmp/dev/tty c 5 0
mknod -m 666 $tmp/dev/tty0 c 4 0
mknod -m 666 $tmp/dev/ttyS0 c 4 64
umount $tmp
printf "Successfully installed.\n"
printf "Be sure $1 is writable for the user which use qemu\n"
exit 0
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