summaryrefslogtreecommitdiff
path: root/src/scripts/12patch.sh
blob: 326ba4ac327bf52c263d2db420371287e396c613 (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
#!/bin/sh

# make-live - utility to build Debian Live systems
#
# Copyright (C) 2006 Daniel Baumann <daniel@debian.org>
# Copyright (C) 2006 Marco Amadori <marco.amadori@gmail.com>
#
# make-live 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.

Patch_chroot ()
{
	# Some maintainer scripts can detect if they are in a chrooted system.
	# Therefore, we create the needed file.

	case "${1}" in
		apply)
			# Create chroot file
			echo "debian-live" > "${LIVE_CHROOT}"/etc/debian_chroot
			;;

		deapply)
			# Remove chroot file
			rm -f "${LIVE_CHROOT}"/etc/debian_chroot
			;;
	esac
}

Patch_runlevel ()
{
	# Disabling all init scripts with a blocking policy as in
	# /usr/share/doc/sysv-rc/README.policy-rc.d.gz.

	case "${1}" in
		apply)
			# Create init policy
			cat > "${LIVE_CHROOT}"/usr/sbin/policy-rc.d <<EOF
#!/bin/sh

exit 101
EOF

			chmod 0755 "${LIVE_CHROOT}"/usr/sbin/policy-rc.d
			;;

		deapply)
			# Removing init policy
			rm -f "${LIVE_CHROOT}"/usr/sbin/policy-rc.d
			;;
	esac
}

Patch_network ()
{
	# Packages which are manually installed inside the chroot are installed
	# from the network. Therefore, we need to be able to resolv hosts.

	case "${1}" in
		apply)
			# Save apt configuration
			if [ -f "${LIVE_CHROOT}"/etc/apt/apt.conf ]
			then
				cp "${LIVE_CHROOT}"/etc/apt/apt.conf "${LIVE_CHROOT}"/etc/apt/apt.conf.orig
			fi

			# Configure apt.conf
			if [ -n "${LIVE_PROXY_FTP}" ]
			then
				echo "Acquire::ftp::Proxy \"${LIVE_PROXY_FTP}\";" >> "${LIVE_CHROOT}"/etc/apt/apt.conf
			elif [ -n "${LIVE_PROXY_HTTP}" ]
			then
				echo "Acquire::http::Proxy \"${LIVE_PROXY_HTTP}\";" >> "${LIVE_CHROOT}"/etc/apt/apt.conf
			fi

			# Configure recommends
			if [ "${LIVE_RECOMMENDS}" = "yes" ]
			then
				echo "Aptitude::Recommends-Important \"true\";" >> "${LIVE_CHROOT}"/etc/apt/apt.conf
			else
				echo "Aptitude::Recommends-Important \"false\";" >> "${LIVE_CHROOT}"/etc/apt/apt.conf
			fi

			# Save host lookup table
			if [ -f "${LIVE_CHROOT}"/etc/hosts ]
			then
				cp "${LIVE_CHROOT}"/etc/hosts "${LIVE_CHROOT}"/etc/hosts.orig
			fi

			# Copy host lookup table
			if [ -f /etc/hosts ]
			then
				cp /etc/hosts "${LIVE_CHROOT}"/etc/hosts
			fi

			# Save resolver configuration
			if [ -f "${LIVE_CHROOT}"/etc/resolv.conf ]
			then
				cp "${LIVE_CHROOT}"/etc/resolv.conf "${LIVE_CHROOT}"/etc/resolv.conf.orig
			fi

			# Copy resolver configuration
			if [ -f /etc/resolv.conf ]
			then
				cp /etc/resolv.conf "${LIVE_CHROOT}"/etc/resolv.conf
			fi
			;;

		deapply)
			# Restore apt configuration
			if [ -f "${LIVE_CHROOT}"/etc/apt/apt.conf.orig ]
			then
				mv "${LIVE_CHROOT}"/etc/apt/apt.conf.orig "${LIVE_CHROOT}"/etc/apt/apt.conf
			else
				rm -f "${LIVE_CHROOT}"/etc/apt/apt.conf
			fi

			# Restore host lookup table
			if [ -f "${LIVE_CHROOT}"/etc/hosts.orig ]
			then
				mv "${LIVE_CHROOT}"/etc/hosts.orig "${LIVE_CHROOT}"/etc/hosts
			else
				rm -f "${LIVE_CHROOT}"/etc/hosts
			fi

			# Restore resolver configuration
			if [ -f "${LIVE_CHROOT}"/etc/resolv.conf.orig ]
			then
				mv "${LIVE_CHROOT}"/etc/resolv.conf.orig "${LIVE_CHROOT}"/etc/resolv.conf
			else
				rm -f "${LIVE_CHROOT}"/etc/resolv.conf
			fi
			;;
	esac
}

Patch_linux ()
{
	# The linux-image package asks interactively for initial ramdisk
	# creation. Therefore, we preconfigure /etc/kernel-img.conf.
	# FIXME: preseeding?

	case "${1}" in
		apply)
			# Save kernel configuration
			if [ -f "${LIVE_CHROOT}"/etc/kernel-img.conf ]
			then
				cp "${LIVE_CHROOT}"/etc/kernel-img.conf "${LIVE_CHROOT}"/etc/kernel-img.conf.old
			fi

			# Configure kernel-img.conf
			echo "do_initrd = Yes"  >> "${LIVE_CHROOT}"/etc/kernel-img.conf
			;;

		deapply)
			# Restore kernel configuration
			if [ -f "${LIVE_CHROOT}"/etc/kernel-img.conf.old ]
			then
				mv "${LIVE_CHROOT}"/etc/kernel-img.conf.old "${LIVE_CHROOT}"/etc/kernel-img.conf
			else
				rm -f "${LIVE_CHROOT}"/etc/kernel-img.conf
			fi
			;;
	esac
}