blob: 5c84e93a5bfa52f0bddc80c063ffa1105d3b8fe2 (
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
|
# Copyright 1999-2005 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
udev_version() {
# Version number copied in by ebuild
local version=@@UDEV_VERSION@@
version=${version##0}
echo "${version}"
}
# store persistent-rules that got created while booting
# when / was still read-only
store_persistent_rules() {
local type base tmp_rules real_rules
for type in cd net; do
base=70-persistent-${type}.rules
tmp_rules=/dev/.udev/tmp-rules--${base}
real_rules=/etc/udev/rules.d/${base}
if [ -f ${tmp_rules} ]; then
einfo "Saving udev persistent ${type} rules to /etc/udev/rules.d"
cat ${tmp_rules} >> ${real_rules}
rm ${tmp_rules}
fi
done
}
main() {
store_persistent_rules
if [ -e /dev/.devfsd ] || [ ! -e /dev/.udev ] || [ ! -z "${CDBOOT}" ] || \
[ "${RC_DEVICE_TARBALL}" != "yes" ] || \
! touch /lib/udev/state/devices.tar.bz2 2>/dev/null
then
return 0
fi
ebegin "Saving device nodes"
# Handle our temp files
save_tmp_base=/tmp/udev.savedevices."$$"
devices_udev="${save_tmp_base}"/devices.udev
devices_real="${save_tmp_base}"/devices.real
devices_totar="${save_tmp_base}"/devices.totar
device_tarball="${save_tmp_base}"/devices
rm -rf "${save_tmp_base}"
mkdir "${save_tmp_base}"
touch "${devices_udev}" "${devices_real}" \
"${devices_totar}" "${device_tarball}"
if [ -f ${devices_udev} ] && [ -f ${devices_real} ] && \
[ -f ${devices_totar} ] && [ -f ${device_tarball} ] ; then
cd /dev
# Find all devices
find . -xdev -type b -or -type c -or -type l | cut -d/ -f2- > \
"${devices_real}"
# Figure out what udev created
eval $(grep '^[[:space:]]*udev_db=' /etc/udev/udev.conf)
if [ -d ${udev_db} ]; then
# New udev_db is clear text ...
udevinfo=$(cat "${udev_db}"/*)
else
# if no udev_db
if [ $(udev_version) -ge 104 ]; then
udevinfo=$(udevinfo --export-db)
else
# Old one is not ...
udevinfo=$(udevinfo -d)
fi
fi
# This basically strips 'S:' and 'N:' from the db output, and then
# print all the nodes/symlinks udev created ...
echo "${udevinfo}" | gawk '
/^(N|S):.+/ {
sub(/^(N|S):/, "")
split($0, nodes)
for (x in nodes)
print nodes[x]
}' > "${devices_udev}"
# These ones we also do not want in there
for x in MAKEDEV core fd initctl pts shm stderr stdin stdout; do
echo "${x}" >> "${devices_udev}"
done
if [ -d /lib/udev/devices ]; then
cd /lib/udev/devices
find . -xdev -type b -or -type c -or -type l | cut -d/ -f2- >> "${devices_udev}"
fi
cd /dev
fgrep -x -v -f "${devices_udev}" < "${devices_real}" | \
grep -v ^\\.udev > "${devices_totar}"
# Now only tarball those not created by udev if we have any
if [ -s ${devices_totar} ]; then
# we dont want to descend into mounted filesystems (e.g. devpts)
# looking up username may involve NIS/network, and net may be down
tar --one-file-system --numeric-owner -jcpf "${device_tarball}" -T "${devices_totar}"
mv -f "${device_tarball}" /lib/udev/state/devices.tar.bz2
else
rm -f /lib/udev/state/devices.tar.bz2
fi
eend 0
else
eend 1 "Could not create temporary files!"
fi
rm -rf "${save_tmp_base}"
}
main
# vim:ts=4
|
GitWeb