/[gentoo-x86]/eclass/mount-boot.eclass
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Contents of /eclass/mount-boot.eclass

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Revision 1.17 - (show annotations) (download)
Fri Oct 9 20:57:08 2009 UTC (4 years, 11 months ago) by vapier
Branch: MAIN
Changes since 1.16: +9 -3 lines
fix from Lars Wendler (Polynomial-C) to make sure /boot has a .keep file so portage doesnt go deleting the "empty" /boot mount point #274130 by Jochums Johannes

1 # Copyright 1999-2008 Gentoo Foundation
2 # Distributed under the terms of the GNU General Public License v2
3 # $Header: /var/cvsroot/gentoo-x86/eclass/mount-boot.eclass,v 1.16 2009/02/27 01:53:34 vapier Exp $
4 #
5 # This eclass is really only useful for bootloaders.
6 #
7 # If the live system has a separate /boot partition configured, then this
8 # function tries to ensure that it's mounted in rw mode, exiting with an
9 # error if it cant. It does nothing if /boot isn't a separate partition.
10 #
11 # MAINTAINER: base-system@gentoo.org
12
13 EXPORT_FUNCTIONS pkg_preinst pkg_prerm
14
15 mount-boot_mount_boot_partition() {
16 if [[ -n ${DONT_MOUNT_BOOT} ]] ; then
17 return
18 else
19 elog
20 elog "To avoid automounting and auto(un)installing with /boot,"
21 elog "just export the DONT_MOUNT_BOOT variable."
22 elog
23 fi
24
25 # note that /dev/BOOT is in the Gentoo default /etc/fstab file
26 local fstabstate=$(awk '!/^#|^[[:blank:]]+#|^\/dev\/BOOT/ {print $2}' /etc/fstab | egrep "^/boot$" )
27 local procstate=$(awk '$2 ~ /^\/boot$/ {print $2}' /proc/mounts)
28 local proc_ro=$(awk '{ print $2 " ," $4 "," }' /proc/mounts | sed -n '/\/boot .*,ro,/p')
29
30 if [ -n "${fstabstate}" ] && [ -n "${procstate}" ]; then
31 if [ -n "${proc_ro}" ]; then
32 einfo
33 einfo "Your boot partition, detected as being mounted as /boot, is read-only."
34 einfo "Remounting it in read-write mode ..."
35 einfo
36 mount -o remount,rw /boot
37 if [ "$?" -ne 0 ]; then
38 eerror
39 eerror "Unable to remount in rw mode. Please do it manually!"
40 eerror
41 die "Can't remount in rw mode. Please do it manually!"
42 fi
43 else
44 einfo
45 einfo "Your boot partition was detected as being mounted as /boot."
46 einfo "Files will be installed there for ${PN} to function correctly."
47 einfo
48 fi
49 elif [ -n "${fstabstate}" ] && [ -z "${procstate}" ]; then
50 mount /boot -o rw
51 if [ "$?" -eq 0 ]; then
52 einfo
53 einfo "Your boot partition was not mounted as /boot, but portage"
54 einfo "was able to mount it without additional intervention."
55 einfo "Files will be installed there for ${PN} to function correctly."
56 einfo
57 else
58 eerror
59 eerror "Cannot automatically mount your /boot partition."
60 eerror "Your boot partition has to be mounted rw before the installation"
61 eerror "can continue. ${PN} needs to install important files there."
62 eerror
63 die "Please mount your /boot partition manually!"
64 fi
65 else
66 einfo
67 einfo "Assuming you do not have a separate /boot partition."
68 einfo
69 fi
70 }
71
72 mount-boot_pkg_preinst() {
73 mount-boot_mount_boot_partition
74 }
75
76 mount-boot_pkg_prerm() {
77 touch "${ROOT}"/boot/.keep 2>/dev/null
78 mount-boot_mount_boot_partition
79 touch "${ROOT}"/boot/.keep 2>/dev/null
80 }

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