blob: 4e4f2ffadb6098fe72bd74a6c839cf8c381a94d3 (
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
51
52
53
54
55
|
#!/bin/sh
## live-build(7) - System Build Scripts
## Copyright (C) 2006-2011 Daniel Baumann <daniel@debian.org>
##
## live-build comes with ABSOLUTELY NO WARRANTY; for details see COPYING.
## This is free software, and you are welcome to redistribute it
## under certain conditions; see COPYING for details.
Losetup ()
{
DEVICE="${1}"
FILE="${2}"
PARTITION="${3:-1}"
${LB_ROOT_COMMAND} ${LB_LOSETUP} "${DEVICE}" "${FILE}"
FDISK_OUT="$(${LB_FDISK} -l -u ${DEVICE} 2>&1)"
sleep 1
${LB_ROOT_COMMAND} ${LB_LOSETUP} -d "${DEVICE}"
LOOPDEVICE="$(echo ${DEVICE}p${PARTITION})"
if [ "${PARTITION}" = "0" ]
then
Echo_message "Mounting %s with offset 0" "${DEVICE}"
${LB_ROOT_COMMAND} ${LB_LOSETUP} "${DEVICE}" "${FILE}"
else
SECTORS="$(echo "$FDISK_OUT" | sed -ne "s|^$LOOPDEVICE[ *]*\([0-9]*\).*|\1|p")"
OFFSET="$(expr ${SECTORS} '*' 512)"
Echo_message "Mounting %s with offset %s" "${DEVICE}" "${OFFSET}"
${LB_ROOT_COMMAND} ${LB_LOSETUP} -o "${OFFSET}" "${DEVICE}" "${FILE}"
fi
}
Calculate_partition_size ()
{
ORIGINAL_SIZE="${1}"
FILESYSTEM="${2}"
case "${FILESYSTEM}" in
ext2|ext3)
PERCENT="5"
;;
*)
PERCENT="3"
;;
esac
echo $(expr ${ORIGINAL_SIZE} + ${ORIGINAL_SIZE} \* ${PERCENT} / 100 + 1)
}
|
