Contents of /tags/udev-141-r4/udev/write_root_link_rule.sh
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Mon Dec 22 20:30:09 2008 UTC (15 years, 9 months ago) by niro
Original Path: trunk/udev/write_root_link_rule.sh
File MIME type: application/x-sh
File size: 1185 byte(s)
Mon Dec 22 20:30:09 2008 UTC (15 years, 9 months ago) by niro
Original Path: trunk/udev/write_root_link_rule.sh
File MIME type: application/x-sh
File size: 1185 byte(s)
-updated to gentoo upstream
1 | #!/bin/sh |
2 | # $Header: /root/magellan-cvs/src/udev/write_root_link_rule.sh,v 1.2 2008-12-22 20:30:09 niro Exp $ |
3 | # |
4 | # This script should run before doing udevtrigger at boot. |
5 | # It will create a rule matching the device directory / is on, and |
6 | # creating /dev/root symlink pointing on its device node. |
7 | # |
8 | # This is especially useful for hal looking at /proc/mounts containing |
9 | # a line listing /dev/root as device: |
10 | # /dev/root / reiserfs rw 0 0 |
11 | # |
12 | # This program is free software; you can redistribute it and/or modify it |
13 | # under the terms of the GNU General Public License as published by the |
14 | # Free Software Foundation version 2 of the License. |
15 | # |
16 | # (c) 2007-2008 Matthias Schwarzott <zzam@gentoo.org> |
17 | |
18 | eval $(udevadm info --export --export-prefix="ROOT_" --device-id-of-file=/) |
19 | |
20 | [ $? = 0 ] || exit 0 |
21 | [ "$ROOT_MAJOR" = 0 ] && exit 0 |
22 | |
23 | DIR=/dev/.udev/rules.d |
24 | [ -d "$DIR" ] || mkdir -p "$DIR" |
25 | RULES=$DIR/10-root-link.rules |
26 | |
27 | echo "# Created by /lib/udev/write_root_link_rule" > "${RULES}" |
28 | echo "# This rule should create /dev/root as link to real root device." >> "${RULES}" |
29 | echo "SUBSYSTEM==\"block\", ENV{MAJOR}==\"$ROOT_MAJOR\", ENV{MINOR}==\"$ROOT_MINOR\", SYMLINK+=\"root\"" >> "${RULES}" |