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# Copyright 1999-2008 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/eclass/mount-boot.eclass,v 1.17 2009/10/09 20:57:08 vapier Exp $
#
# This eclass is really only useful for bootloaders.
#
# 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.
#
# MAINTAINER: base-system@gentoo.org
EXPORT_FUNCTIONS pkg_preinst pkg_prerm
mount-boot_mount_boot_partition() {
if [[ -n ${DONT_MOUNT_BOOT} ]] ; then
return
else
elog
elog "To avoid automounting and auto(un)installing with /boot,"
elog "just export the DONT_MOUNT_BOOT variable."
elog
fi
# note that /dev/BOOT is in the Gentoo default /etc/fstab file
local fstabstate=$(awk '!/^#|^[[:blank:]]+#|^\/dev\/BOOT/ {print $2}' /etc/fstab | egrep "^/boot$" )
local procstate=$(awk '$2 ~ /^\/boot$/ {print $2}' /proc/mounts)
local proc_ro=$(awk '{ print $2 " ," $4 "," }' /proc/mounts | sed -n '/\/boot .*,ro,/p')
if [ -n "${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
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 "${procstate}" ]; then
mount /boot -o rw
if [ "$?" -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. ${PN} needs to install important files there."
eerror
die "Please mount your /boot partition manually!"
fi
else
einfo
einfo "Assuming you do not have a separate /boot partition."
einfo
fi
}
mount-boot_pkg_preinst() {
mount-boot_mount_boot_partition
}
mount-boot_pkg_prerm() {
touch "${ROOT}"/boot/.keep 2>/dev/null
mount-boot_mount_boot_partition
touch "${ROOT}"/boot/.keep 2>/dev/null
}
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