summaryrefslogtreecommitdiff
path: root/scripts/build/lb_binary_netboot
blob: 479630742dee9f4f0034b85803d8e3dd1d7fe91b (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
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
#!/bin/sh

## live-build(7) - System Build Scripts
## Copyright (C) 2006-2012 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.


set -e

# Including common functions
( . "${LIVE_BUILD}/scripts/build.sh" > /dev/null 2>&1 || true ) || . /usr/lib/live/build.sh

# Setting static variables
DESCRIPTION="$(Echo 'build netboot binary image')"
HELP=""
USAGE="${PROGRAM} [--force]"

Arguments "${@}"

# Reading configuration files
Read_conffiles config/all config/common config/bootstrap config/chroot config/binary config/source
Set_defaults

if ! In_list netboot "${LB_BINARY_IMAGES}"
then
	exit 0
fi

if [ "${LB_NET_TARBALL}" = "false" ]
then
	exit 0
fi

Echo_message "Begin building binary netboot image..."

# Requiring stage file
Require_stagefile .build/config .build/bootstrap

# Checking stage file
Check_stagefile .build/binary_netboot

# Checking lock file
Check_lockfile .lock

# Creating lock file
Create_lockfile .lock

if [ "${LB_ARCHITECTURES}" = "sparc" ]
then
	# Checking depends
	Check_package chroot/usr/bin/elftoaout sparc-utils

	# Restoring cache
	Restore_cache cache/packages.binary

	# Installing depends
	Install_package

	# Set target and source directories
	DESTDIR="tftpboot"
	case "${LB_INITRAMFS}" in
		casper)
			ORIGDIR="binary/casper"
			;;

		live-boot)
			ORIGDIR="binary/live"
			;;

		*)
			ORIGDIR="binary/boot"
			;;
	esac

	# Find defaults
	DEFAULT_FLAVOUR="$(echo ${LB_LINUX_FLAVOURS} | awk '{ print $1 }')"
	DEFAULT_KERNEL="$(basename chroot/boot/vmlinuz-*${DEFAULT_FLAVOUR})"
	DEFAULT_INITRD="initrd.img-$(echo ${DEFAULT_KERNEL} | sed -e 's|vmlinuz-||')"
	DEFAULT_MAP="$(echo chroot/boot/System.map-*${DEFAULT_FLAVOUR})"

	gzip -cd ${ORIGDIR}/${DEFAULT_KERNEL} > kernel.tmp

	mkdir -p ${DESTDIR}
	rm -f ${DESTDIR}/boot.img
	elftoaout -o ${DESTDIR}/boot.img kernel.tmp

	case "${DEFAULT_FLAVOUR}" in
		sparc32)
			piggyback ${DESTDIR}/boot.img ${DEFAULT_MAP} ${ORIGDIR}/${DEFAULT_INITRD}
			;;
		sparc64)
			piggyback64 ${DESTDIR}/boot.img ${DEFAULT_MAP} ${ORIGDIR}/${DEFAULT_INITRD}
			;;
		*)
			Echo_error "Invalid default kernel flavour for sparc \"%s\"" "${DEFAULT_FLAVOUR}"
			exit 1;
			;;
	esac

	# Pad boot.img
	REMAINDER=$((( 4 - $(stat -c %s ${DESTDIR}/boot.img) % 4 ) % 4))
	dd if=/dev/zero bs=1 count=${REMAINDER} >> ${DESTDIR}/boot.img

	# No need for kernel and initrd images in the binary
	rm -f ${ORIGDIR}/vmlinuz-*
	rm -f ${ORIGDIR}/initrd.img-*

	# Clean temporaries
	rm -f kernel.tmp

	# Saving cache
	Save_cache cache/packages.binary

	# Removing depends
	Remove_package
fi

# Remove old binary
rm -f binary.netboot.tar.bz2 binary.netboot.tar.gz binary.netboot.tar.lz binary.netboot.tar

# Creating image file
ROOT_DIR=$(basename ${LB_NET_ROOT_PATH})

if [ "${ROOT_DIR}" = "chroot" ]
then
	mv chroot chroot.tmp
fi

if [ "${ROOT_DIR}" != "binary" ]
then
	mv binary ${ROOT_DIR}
fi

mkdir binary.tmp
mv ${ROOT_DIR} tftpboot binary.tmp
cd binary.tmp

# Moving kernel and initrd image arround
mkdir tftpboot/live
mv */live/vmlinuz* */live/initrd* tftpboot/live

tar cf ../binary.netboot.tar *

case "${LB_COMPRESSION}" in
	bzip2)
		bzip2 ${BZIP2_OPTIONS} ../binary.netboot.tar
		;;

	gzip)
		gzip ${GZIP_OPTIONS} ../binary.netboot.tar
		;;

	lzip)
		lzip ${LZIP_OPTIONS} ../binary.netboot.tar
		;;

	xz)
		xz ${XZ_OPTIONS} ../binary.netboot.tar
		;;

	none)
		;;
esac

mv * ../
cd "${OLDPWD}"
rmdir binary.tmp

if [ "${ROOT_DIR}" != "binary" ]
then
	mv ${ROOT_DIR} binary
fi

if [ "${ROOT_DIR}" = "chroot" ]
then
	mv chroot.tmp chroot
fi

# Creating stage file
Create_stagefile .build/binary_netboot