gentoo-x86/eclass/mount-boot.eclass

# Copyright 1999-2002 Gentoo Technologies, Inc.
# Distributed under the terms of the GNU General Public License v2
# $Header: /home/cvsroot/gentoo-x86/eclass/mount-boot.eclass,v 1.6 2002/11/13 04:59:31 woodchip Exp $

ECLASS=mount-boot
INHERITED="$INHERITED $ECLASS"

EXPORT_FUNCTIONS pkg_preinst

# If the live system has a separate /boot partition configured, then this
# function tries to ensure that it's mounted in rw mode, exiting with an
# error if it cant. It does nothing if /boot isn't a separate partition.

mount-boot_mount_boot_partition(){
        # note that /dev/BOOT is in the Gentoo default /etc/fstab file
        local fstabstate="$(cat /etc/fstab | awk '!/^#|^[[:blank:]]+#|^\/dev\/BOOT/ {print $2}' | egrep "^/boot$" )"
        local procstate="$(cat /proc/mounts | awk '{print $2}' | egrep "^/boot$" )"
        local proc_ro="$(cat /proc/mounts | awk '{ print $2, $4 }' | sed -n '/\/boot/{ /[ ,]\?ro[ ,]\?/p }' )"

        if [ -n "${fstabstate}" ] && [ -n "${procstate}" ]; then
                if [ -n "${proc_ro}" ]; then
                        einfo
                        einfo "Your boot partition, detected as being mounted as /boot, is read-only."
                        einfo "Remounting it in read-write mode ..."
                        einfo
                        mount -o remount,rw /boot &>/dev/null
                        if [ "$?" -ne 0 ]; then
                                eerror
                                eerror "Unable to remount in rw mode. Please do it manually!"
                                eerror
                                die "Can't remount in rw mode. Please do it manually!"
                        fi
                else
                        einfo
                        einfo "Your boot partition was detected as being mounted as /boot."
                        einfo "Files will be installed there for ${PN} to function correctly."
                        einfo
                fi
        elif [ -n "${fstabstate}" ] && [ -z "${procstate}" ]; then
                mount /boot -o rw &>/dev/null
                if [ "$?" -eq 0 ]; then
                        einfo
                        einfo "Your boot partition was not mounted as /boot, but portage"
                        einfo "was able to mount it without additional intervention."
                        einfo "Files will be installed there for ${PN} to function correctly."
                        einfo
                else
                        eerror
                        eerror "Cannot automatically mount your /boot partition."
                        eerror "Your boot partition has to be mounted rw before the installation"
                        eerror "can continue. ${PN} needs to install important files there."
                        eerror
                        die "Please mount your /boot partition manually!"
                fi
        else
                einfo
                einfo "Assuming you do not have a separate /boot partition."
                einfo
        fi
}

mount-boot_pkg_preinst(){
        mount-boot_mount_boot_partition
}
1	woodchip	1.3	# Copyright 1999-2002 Gentoo Technologies, Inc.
2	vapier	1.5	# Distributed under the terms of the GNU General Public License v2
3	woodchip	1.7	# $Header: /home/cvsroot/gentoo-x86/eclass/mount-boot.eclass,v 1.6 2002/11/13 04:59:31 woodchip Exp $
4	woodchip	1.1
5	woodchip	1.2	ECLASS=mount-boot
6	woodchip	1.1	INHERITED="$INHERITED $ECLASS"
7
8	woodchip	1.7	EXPORT_FUNCTIONS pkg_preinst
9	woodchip	1.1
10	woodchip	1.7	# If the live system has a separate /boot partition configured, then this
11			# function tries to ensure that it's mounted in rw mode, exiting with an
12			# error if it cant. It does nothing if /boot isn't a separate partition.
13	woodchip	1.1
14	woodchip	1.7	mount-boot_mount_boot_partition(){
15			# note that /dev/BOOT is in the Gentoo default /etc/fstab file
16	woodchip	1.6	local fstabstate="$(cat /etc/fstab \| awk '!/^#\|^[[:blank:]]+#\|^\/dev\/BOOT/ {print $2}' \| egrep "^/boot$" )"
17			local procstate="$(cat /proc/mounts \| awk '{print $2}' \| egrep "^/boot$" )"
18	woodchip	1.3	local proc_ro="$(cat /proc/mounts \| awk '{ print $2, $4 }' \| sed -n '/\/boot/{ /[ ,]\?ro[ ,]\?/p }' )"
19	woodchip	1.1
20			if [ -n "${fstabstate}" ] && [ -n "${procstate}" ]; then
21	woodchip	1.3	if [ -n "${proc_ro}" ]; then
22	woodchip	1.7	einfo
23			einfo "Your boot partition, detected as being mounted as /boot, is read-only."
24			einfo "Remounting it in read-write mode ..."
25			einfo
26	woodchip	1.1	mount -o remount,rw /boot &>/dev/null
27			if [ "$?" -ne 0 ]; then
28	woodchip	1.7	eerror
29			eerror "Unable to remount in rw mode. Please do it manually!"
30			eerror
31			die "Can't remount in rw mode. Please do it manually!"
32	woodchip	1.1	fi
33			else
34	woodchip	1.7	einfo
35	woodchip	1.1	einfo "Your boot partition was detected as being mounted as /boot."
36			einfo "Files will be installed there for ${PN} to function correctly."
37	woodchip	1.7	einfo
38	woodchip	1.1	fi
39			elif [ -n "${fstabstate}" ] && [ -z "${procstate}" ]; then
40	woodchip	1.3	mount /boot -o rw &>/dev/null
41	woodchip	1.1	if [ "$?" -eq 0 ]; then
42	woodchip	1.7	einfo
43	woodchip	1.3	einfo "Your boot partition was not mounted as /boot, but portage"
44			einfo "was able to mount it without additional intervention."
45	woodchip	1.1	einfo "Files will be installed there for ${PN} to function correctly."
46	woodchip	1.7	einfo
47	woodchip	1.1	else
48	woodchip	1.7	eerror
49			eerror "Cannot automatically mount your /boot partition."
50			eerror "Your boot partition has to be mounted rw before the installation"
51	woodchip	1.1	eerror "can continue. ${PN} needs to install important files there."
52	woodchip	1.7	eerror
53			die "Please mount your /boot partition manually!"
54	woodchip	1.1	fi
55			else
56	woodchip	1.7	einfo
57	woodchip	1.1	einfo "Assuming you do not have a separate /boot partition."
58	woodchip	1.7	einfo
59	woodchip	1.1	fi
60			}
61
62	woodchip	1.7	mount-boot_pkg_preinst(){
63			mount-boot_mount_boot_partition
64			}