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# Copyright 1999-2011 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/eclass/mount-boot.eclass,v 1.18 2011/01/09 03:18:38 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_postinst pkg_prerm pkg_postrm
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
touch /boot/.e.remount
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. ${PN} needs to install important files there."
eerror
die "Please mount your /boot partition manually!"
fi
touch /boot/.e.mount
else
einfo
einfo "Assuming you do not have a separate /boot partition."
einfo
fi
}
mount-boot_pkg_preinst() {
mount-boot_mount_boot_partition
}
mount-boot_pkg_prerm() {
touch "${ROOT}"/boot/.keep 2>/dev/null
mount-boot_mount_boot_partition
touch "${ROOT}"/boot/.keep 2>/dev/null
}
mount-boot_umount_boot_partition() {
if [[ -n ${DONT_MOUNT_BOOT} ]] ; then
return
fi
if [ -e /boot/.e.remount ] ; then
einfo
einfo "Automatically remounting /boot as ro"
einfo
rm -f /boot/.e.remount
mount -o remount,ro /boot
elif [ -e /boot/.e.mount ] ; then
einfo
einfo "Automatically unmounting /boot"
einfo
rm -f /boot/.e.mount
umount /boot
fi
}
mount-boot_pkg_postinst() {
mount-boot_umount_boot_partition
}
mount-boot_pkg_postrm() {
mount-boot_umount_boot_partition
}
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