blob: 0c137bf8ca701f9e7bab3ee4b718945d35ad28ff (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
|
#!/bin/bash
usage(){
cat >&2 <<EOF
Make a system image called DEST filled with the contents of TARBALL...
usage: $0 DEST TARBALL...
EOF
}
if [ "$#" -le 1 ]; then
usage
exit 1
fi
img="$1"
shift
sudo qemu-img create -f raw "$img" 16G
sudo parted -s "$img" mklabel msdos
sudo parted -s "$img" mkpart primary 0% 100%
sudo parted -s "$img" set 1 boot on
sudo install-mbr "$img"
part=/dev/mapper/$(sudo kpartx -av "$img" | awk '/^add map/ { print $3 }' | head -n1)
trap "sudo kpartx -dv $img" EXIT
# mapper may not yet be ready
while test ! -e "$part"; do :; done
sudo mkfs -t ext4 "$part"
mp="$(mktemp -d)"
sudo mount "$part" "$mp"
trap "sudo umount $part; sudo kpartx -dv $img" EXIT
for stratum; do
sudo tar -C "$mp" -xf "$stratum"
done
cat <<EOF | sudo tee "$mp/etc/fstab"
/dev/sda1 / ext4 errors=remount-ro 0 1
EOF
cat <<EOF | sudo tee "$mp/extlinux.conf"
default linux
timeout 1
label linux
kernel /boot/vmlinuz
append root=/dev/sda1 init=/sbin/init quiet rw
EOF
sudo extlinux --install "$mp"
sync
sleep 2
|
