110 lines
3.2 KiB
Bash
110 lines
3.2 KiB
Bash
# Copyright 1999-2011 Gentoo Foundation
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# Distributed under the terms of the GNU General Public License v2
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# $Header: /var/cvsroot/gentoo-x86/eclass/mount-boot.eclass,v 1.18 2011/01/09 03:18:38 vapier Exp $
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#
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# This eclass is really only useful for bootloaders.
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#
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# If the live system has a separate /boot partition configured, then this
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# function tries to ensure that it's mounted in rw mode, exiting with an
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# error if it cant. It does nothing if /boot isn't a separate partition.
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#
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# MAINTAINER: base-system@gentoo.org
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EXPORT_FUNCTIONS pkg_preinst pkg_postinst pkg_prerm pkg_postrm
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mount-boot_mount_boot_partition() {
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if [[ -n ${DONT_MOUNT_BOOT} ]] ; then
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return
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else
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elog
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elog "To avoid automounting and auto(un)installing with /boot,"
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elog "just export the DONT_MOUNT_BOOT variable."
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elog
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fi
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# note that /dev/BOOT is in the Gentoo default /etc/fstab file
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local fstabstate=$(awk '!/^#|^[[:blank:]]+#|^\/dev\/BOOT/ {print $2}' /etc/fstab | egrep "^/boot$" )
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local procstate=$(awk '$2 ~ /^\/boot$/ {print $2}' /proc/mounts)
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local proc_ro=$(awk '{ print $2 " ," $4 "," }' /proc/mounts | sed -n '/\/boot .*,ro,/p')
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if [ -n "${fstabstate}" ] && [ -n "${procstate}" ]; then
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if [ -n "${proc_ro}" ]; then
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einfo
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einfo "Your boot partition, detected as being mounted as /boot, is read-only."
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einfo "Remounting it in read-write mode ..."
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einfo
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mount -o remount,rw /boot
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if [ "$?" -ne 0 ]; then
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eerror
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eerror "Unable to remount in rw mode. Please do it manually!"
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eerror
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die "Can't remount in rw mode. Please do it manually!"
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fi
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touch /boot/.e.remount
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else
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einfo
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einfo "Your boot partition was detected as being mounted as /boot."
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einfo "Files will be installed there for ${PN} to function correctly."
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einfo
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fi
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elif [ -n "${fstabstate}" ] && [ -z "${procstate}" ]; then
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mount /boot -o rw
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if [ "$?" -eq 0 ]; then
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einfo
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einfo "Your boot partition was not mounted as /boot, but portage"
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einfo "was able to mount it without additional intervention."
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einfo "Files will be installed there for ${PN} to function correctly."
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einfo
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else
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eerror
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eerror "Cannot automatically mount your /boot partition."
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eerror "Your boot partition has to be mounted rw before the installation"
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eerror "can continue. ${PN} needs to install important files there."
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eerror
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die "Please mount your /boot partition manually!"
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fi
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touch /boot/.e.mount
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else
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einfo
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einfo "Assuming you do not have a separate /boot partition."
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einfo
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fi
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}
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mount-boot_pkg_preinst() {
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mount-boot_mount_boot_partition
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}
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mount-boot_pkg_prerm() {
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touch "${ROOT}"/boot/.keep 2>/dev/null
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mount-boot_mount_boot_partition
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touch "${ROOT}"/boot/.keep 2>/dev/null
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}
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mount-boot_umount_boot_partition() {
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if [[ -n ${DONT_MOUNT_BOOT} ]] ; then
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return
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fi
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if [ -e /boot/.e.remount ] ; then
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einfo
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einfo "Automatically remounting /boot as ro"
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einfo
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rm -f /boot/.e.remount
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mount -o remount,ro /boot
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elif [ -e /boot/.e.mount ] ; then
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einfo
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einfo "Automatically unmounting /boot"
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einfo
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rm -f /boot/.e.mount
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umount /boot
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fi
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}
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mount-boot_pkg_postinst() {
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mount-boot_umount_boot_partition
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}
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mount-boot_pkg_postrm() {
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mount-boot_umount_boot_partition
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}
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