summaryrefslogtreecommitdiff
path: root/helpers/lh_source_usb
blob: bec69e0dcc1bb75c0c2bfdc8513409607140542d (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
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
#!/bin/sh

# lh_source_usb(1) - build source image
# Copyright (C) 2006-2007 Daniel Baumann <daniel@debian.org>
#
# live-helper 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.

set -e

# Source common functions
for FUNCTION in /usr/share/live-helper/functions/*.sh
do
	. ${FUNCTION}
done

# Set static variables
DESCRIPTION="build source image"
HELP=""
USAGE="${PROGRAM} [--force]"

Arguments "${@}"

Echo_debug "Init ${PROGRAM}"

# Reading configuration files
Read_conffile config/bootstrap
Read_conffile config/chroot
Read_conffile config/common
Read_conffile config/image
Set_defaults

Breakpoint "source_usb: Init"

if [ "${LIVE_SOURCE}" = "disabled" ]
then
	exit 0
fi

for IMAGE in ${LIVE_SOURCE_IMAGE}
do
	if [ "${IMAGE}" = "usb" ]
	then
		# Requiring stage file
		Require_stagefile .stage/source_download

		# Checking lock file
		Check_lockfile .lock

		# Creating lock file
		Create_lockfile .lock

		# Checking stage file
		Check_stagefile .stage/source_usb

		if [ ! -f chroot/sbin/mkdosfs ]
		then
			PACKAGES="${PACKAGES} dosfstools"
		fi

		if [ ! -f chroot/sbin/parted ]
		then
			PACKAGES="${PACKAGES} parted"
		fi

		if [ -n "${PACKAGES}" ]
		then
			# Installing packages
			case "${LH_APT}" in
				apt|apt-get)
					Chroot "apt-get install --yes ${PACKAGES}"
					;;

				aptitude)
					Chroot "aptitude install --assume-yes ${PACKAGES}"
					;;
			esac
		fi

		# Remove old source
		if [ -f source.img ]
		then
			rm -f source.img
		fi

		# Everything which comes here needs to be cleaned up,
		DU_DIM="`du -ms source | cut -f1`"
		REAL_DIM="`expr ${DU_DIM} + ${DU_DIM} / 20`" # Just 5% more to be sure, need something more sophistcated here...
		dd if=/dev/zero of=source.img bs=1024k count=${REAL_DIM}
		FREELO="`${LH_LOSETUP} -f`"
		if [ ! -b chroot/${FREELO} ]
		then
			MAKEDEV="true"

			mv chroot/dev chroot/dev.tmp
			find /dev | cpio -dmpu chroot
		fi

		echo "!!! The following error/warning messages can be ignored !!!"
		lh_losetup $FREELO source.img 0
		Chroot "parted -s ${FREELO} mklabel msdos" || true
		Chroot "parted -s ${FREELO} mkpartfs primary fat16 0.0 100%" || true
		Chroot "parted -s ${FREELO} set 1 lba off" || true
		${LH_LOSETUP} -d ${FREELO}

		lh_losetup $FREELO source.img 1
		Chroot "mkfs.msdos -n DEBIAN_LIVE ${FREELO}"
		mkdir -p source.tmp
		mount ${FREELO} source.tmp
		cp -r source/* source.tmp
		umount source.tmp
		rmdir source.tmp
		${LH_LOSETUP} -d ${FREELO}
		echo "!!! The above error/warning messages can be ignored !!!"

		if [ -n "${MAKEDEV}" ]
		then
			rm -f chroot/dev
			mv chroot/dev.tmp chroot/dev
		fi

		if [ -n "${PACKAGES}" ]
		then
			# Removing packages
			case "${LH_APT}" in
				apt|apt-get)
					Chroot "apt-get remove --purge --yes ${PACKAGES}"
					;;

				aptitude)
					Chroot "aptitude purge --assume-yes ${PACKAGES}"
					;;
			esac
		fi

		# Creating stage file
		Create_stagefile .stage/source_usb
	fi
done