From b6632d616f8edbbb9406c6105264b1f646b9a97f Mon Sep 17 00:00:00 2001 From: Harald Hoyer Date: Mon, 25 Jul 2011 18:01:02 +0200 Subject: [PATCH] dracut-update-initramfs: removed on request of the debian maintainer --- dracut-update-initramfs | 560 ----------------------------------------------- 1 files changed, 0 insertions(+), 560 deletions(-) delete mode 100755 dracut-update-initramfs diff --git a/dracut-update-initramfs b/dracut-update-initramfs deleted file mode 100755 index 259c774..0000000 --- a/dracut-update-initramfs +++ /dev/null @@ -1,560 +0,0 @@ -#!/bin/bash -# -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*- -# ex: ts=8 sw=4 sts=4 et filetype=sh - -STATEDIR=/var/lib/dracut -BOOTDIR=/boot -CONF=/etc/dracut.conf -KPKGCONF=/etc/kernel-img.conf -USETRIGGERS=true -mode="" -version="" - -set -e - -if $USETRIGGERS \ - && [ x"$DPKG_MAINTSCRIPT_PACKAGE" != x ] \ - && [ $# = 1 ] \ - && [ x"$1" = x-u ] \ - && dpkg-trigger --check-supported 2>/dev/null -then - if dpkg-trigger --no-await update-initramfs; then - echo "dracut-update-initramfs: deferring update (trigger activated)" - exit 0 - fi -fi - -usage() -{ - if [ -n "${1}" ]; then - printf "${@}\n\n" >&2 - fi - cat >&2 << EOF -Usage: ${0} [OPTION]... - -Options: - -k [version] Specify kernel version or 'all' - -c Create a new initramfs - -u Update an existing initramfs - -d Remove an existing initramfs - -t Take over a custom initramfs with this one - -b Set alternate boot directory - -v Be verbose - -h This message - -EOF - exit 1 -} - -# chroot check -chrooted() -{ - # borrowed from udev's postinst - if [ "$(stat -c %d/%i /)" = "$(stat -Lc %d/%i /proc/1/root 2>/dev/null)" ]; then - # the devicenumber/inode pair of / is the same as that of - # /sbin/init's root, so we're *not* in a chroot and hence - # return false. - return 1 - fi - return 0 -} - -mild_panic() -{ - if [ -n "${1}" ]; then - printf "${@}\n" >&2 - fi - exit 0 -} - -panic() -{ - if [ -n "${1}" ]; then - printf "${@}\n" >&2 - fi - exit 1 -} - -verbose() -{ - if [ "${verbose}" = 1 ]; then - printf "${@}\n" - fi -} - -version_exists() -{ - [ -e "${STATEDIR}/${1}" ] && [ -e "${initramfs}" ] - return $? -} - -set_initramfs() -{ - initramfs="${BOOTDIR}/dracut.img-${version}" -} - - -# backup initramfs while running -backup_initramfs() -{ - [ ! -r "${initramfs}" ] && return 0 - initramfs_bak="${initramfs}.dpkg-bak" - [ -r "${initramfs_bak}" ] && rm -f "${initramfs_bak}" - ln -f "${initramfs}" "${initramfs_bak}" \ - || cp -a "${initramfs}" "${initramfs_bak}" - verbose "Keeping ${initramfs_bak}" -} - -# keep booted initramfs -backup_booted_initramfs() -{ - initramfs_bak="${initramfs}.dpkg-bak" - - # first time run thus no backup - [ ! -r "${initramfs_bak}" ] && return 0 - - # chroot with no /proc - [ ! -r /proc/uptime ] && rm -f "${initramfs_bak}" && return 0 - - # no kept backup wanted - [ "${backup_initramfs}" = "no" ] && rm -f "${initramfs_bak}" && return 0 - - # no backup yet - if [ ! -r "${initramfs}.bak" ]; then - mv -f ${initramfs_bak} "${initramfs}.bak" - verbose "Backup ${initramfs}.bak" - return 0 - fi - - # keep booted initramfs - uptime_days=$(awk '{printf "%d", $1 / 3600 / 24}' /proc/uptime) - if [ -n "$uptime_days" ]; then - boot_initramfs=$(find "${initramfs}.bak" -mtime +${uptime_days}) - fi - if [ -n "${boot_initramfs}" ]; then - mv -f "${initramfs_bak}" "${initramfs}.bak" - verbose "Backup ${initramfs}.bak" - return 0 - fi - verbose "Removing current backup ${initramfs_bak}" - rm -f ${initramfs_bak} -} - -# nuke generated copy -remove_initramfs() -{ - [ -z "${initramfs_bak}" ] && return 0 - rm -f "${initramfs_bak}" - verbose "Removing ${initramfs_bak}" -} - - -generate_initramfs() -{ - echo "dracut-update-initramfs: Generating ${initramfs}" - OPTS="" - if [ "${verbose}" = 1 ]; then - OPTS="-v ${OPTS}" - fi - ##WORK HERE! - if dracut ${OPTS} "${initramfs}.new" "${version}"; then - mv -f "${initramfs}.new" "${initramfs}" - set_sha1 - else - mkinitramfs_return="$?" - remove_initramfs - rm -f "${initramfs}.new" - if [ "$mkinitramfs_return" = "2" ]; then - # minversion wasn't met, exit 0 - exit 0 - fi - echo "update-initramfs: failed for ${initramfs}" - exit $mkinitramfs_return - fi -} - -# lilo call -run_lilo() -{ - # show lilo errors on failure - if ! lilo -t > /dev/null 2>&1 ; then - echo "ERROR lilo fails for new ${initramfs}:" - echo - lilo -t - fi - lilo -} - -# check if lilo is on mbr -mbr_check() -{ - # try to discover grub|grub2 and be happy - [ -r /boot/grub/grub.cfg ] \ - && groot=$(awk '/^set root=/{print substr($2, 7, 3); exit}' \ - /boot/grub/grub.cfg) - [ -r /boot/grub/menu.lst ] \ - && groot=$(awk '/^root/{print substr($2, 2, 3); exit}' \ - /boot/grub/menu.lst) - [ -e /boot/grub/device.map ] && [ -n "${groot}" ] \ - && dev=$(awk "/${groot}/{ print \$NF}" /boot/grub/device.map) - [ -n "${dev}" ] && [ -r ${dev} ] \ - && dd if="${dev}" bs=512 skip=0 count=1 2> /dev/null \ - | grep -q GRUB && return 0 - - # check out lilo.conf for validity - boot=$(awk -F = '/^boot=/{ print $2}' /etc/lilo.conf) - [ -z "${boot}" ] && return 0 - case ${boot} in - /dev/md/*) - if [ -r /proc/mdstat ]; then - MD=${boot#/dev/md/} - boot="/dev/$(awk "/^md${MD}/{print substr(\$5, 1, 3)}" \ - /proc/mdstat)" - fi - ;; - /dev/md*) - if [ -r /proc/mdstat ]; then - MD=${boot#/dev/} - boot="/dev/$(awk "/^${MD}/{print substr(\$5, 1, 3)}" \ - /proc/mdstat)" - fi - ;; - esac - [ ! -r "${boot}" ] && return 0 - dd if="${boot}" bs=512 skip=0 count=1 2> /dev/null | grep -q LILO \ - && run_lilo && return 0 - - # no idea which bootloader is used - echo - echo "WARNING: grub and lilo installed." - echo "If you use grub as bootloader everything is fine." - echo "If you use lilo as bootloader you must run lilo!" - echo -} - -# Invoke bootloader -run_bootloader() -{ - # if both lilo and grub around, figure out if lilo needs to be run - if ( command -v update-grub >/dev/null 2>&1 \ - || [ -e /boot/grub/menu.lst ] || [ -e /boot/grub/grub.cfg ] ) \ - && ( [ -e /etc/lilo.conf ] && command -v lilo >/dev/null 2>&1 ); then - [ -r "${KPKGCONF}" ] && \ - do_b=$(awk '/^do_bootloader/{print $3}' "${KPKGCONF}") - if [ "${do_b}" = "yes" ] || [ "${do_b}" = "Yes" ] \ - || [ "${do_b}" = "YES" ]; then - run_lilo - return 0 - elif [ "${do_b}" = "no" ] || [ "${do_b}" = "No" ] \ - || [ "${do_b}" = "NO" ]; then - return 0 - fi - - # do_bootloader unconfigured - mbr_check - return 0 - fi - if [ -r /etc/lilo.conf ] && command -v lilo >/dev/null 2>&1; then - run_lilo - return 0 - fi - if command -v elilo >/dev/null 2>&1; then - elilo - return 0 - fi - if [ -r /etc/zipl.conf ]; then - zipl - fi - if flash-kernel --supported >/dev/null 2>&1; then - flash-kernel ${version} - fi -} - -compare_sha1() -{ - sha1sum "${initramfs}" | diff "${STATEDIR}/${version}" - >/dev/null 2>&1 - return $? -} - -# Note that this must overwrite so that updates work. -set_sha1() -{ - sha1sum "${initramfs}" > "${STATEDIR}/${version}" -} - -delete_sha1() -{ - rm -f "${STATEDIR}/${version}" -} - -# ro /boot is not modified -ro_boot_check() -{ - # check irrelevant inside of a chroot - if [ ! -r /proc/mounts ] || chrooted; then - return 0 - fi - - boot_opts=$(awk '/boot/{if ((match($4, /^ro/) || match($4, /,ro/)) \ - && $2 == "/boot") print "ro"}' /proc/mounts) - if [ -n "${boot_opts}" ]; then - echo "WARNING: /boot is ro mounted." - echo "update-initramfs: Not updating ${initramfs}" - exit 0 - fi -} - -get_sorted_versions() -{ - version_list="" - - for gsv_x in "${STATEDIR}"/*; do - gsv_x="$(basename "${gsv_x}")" - if [ "${gsv_x}" = '*' ]; then - return 0 - fi - worklist="" - for gsv_i in $version_list; do - if dpkg --compare-versions "${gsv_x}" '>' "${gsv_i}"; then - worklist="${worklist} ${gsv_x} ${gsv_i}" - gsv_x="" - else - worklist="${worklist} ${gsv_i}" - fi - done - if [ "${gsv_x}" != "" ]; then - worklist="${worklist} ${gsv_x}" - fi - version_list="${worklist}" - done - - verbose "Available versions: ${version_list}" -} - -set_current_version() -{ - if [ -f /boot/dracut.img-`uname -r` ]; then - version=`uname -r` - fi -} - -set_linked_version() -{ - if [ -e /initrd.img ] && [ -L /initrd.img ]; then - linktarget="$(basename "$(readlink /initrd.img)")" - fi - - if [ -e /boot/initrd.img ] && [ -L /boot/initrd.img ]; then - linktarget="$(basename "$(readlink /boot/initrd.img)")" - fi - - if [ -z "${linktarget}" ]; then - return - fi - - version="${linktarget##*img-}" -} - -set_highest_version() -{ - get_sorted_versions - set -- ${version_list} - version=${1} -} - -create() -{ - if [ -z "${version}" ]; then - usage "Create mode requires a version argument" - fi - - set_initramfs - - if [ "${takeover}" = 0 ]; then - if version_exists "${version}"; then - panic "Cannot create version ${version}: already exists" - fi - - if [ -e "${initramfs}" ]; then - panic "${initramfs} already exists, cannot create." - fi - fi - - generate_initramfs -} - -update() -{ - if [ "${update_initramfs}" = "no" ]; then - echo "update-initramfs: Not updating initramfs." - exit 0 - fi - - if [ -z "${version}" ]; then - set_highest_version - fi - - if [ -z "${version}" ]; then - set_linked_version - fi - - if [ -z "${version}" ]; then - set_current_version - fi - - if [ -z "${version}" ]; then - verbose "Nothing to do, exiting." - exit 0 - fi - - set_initramfs - - ro_boot_check - - altered_check - - backup_initramfs - - generate_initramfs - - run_bootloader - - backup_booted_initramfs -} - -delete() -{ - if [ -z "${version}" ]; then - usage "Delete mode requires a version argument" - fi - - set_initramfs - - if [ ! -e "${initramfs}" ]; then - panic "Cannot delete ${initramfs}, doesn't exist." - fi - - if ! version_exists "${version}"; then - panic "Cannot delete version ${version}: Not created by this utility." - fi - - altered_check - - echo "update-initramfs: Deleting ${initramfs}" - - delete_sha1 - - rm -f "${initramfs}" -} - -# Check for update mode on existing and modified initramfs -altered_check() -{ - # No check on takeover - [ "${takeover}" = 1 ] && return 0 - if [ ! -e "${initramfs}" ]; then - mild_panic "${initramfs} does not exist. Cannot update." - fi - if ! compare_sha1; then - echo "update-initramfs: ${initramfs} has been altered." >&2 - mild_panic "update-initramfs: Cannot update. Override with -t option." - fi -} - -# Defaults -verbose=0 -yes=0 -# We default to takeover=1 in Ubuntu, but not Debian -takeover=0 - -## - -while getopts "k:cudyvtb:h?" flag; do - case "${flag}" in - k) - version="${OPTARG}" - ;; - c) - mode="c" - ;; - d) - mode="d" - ;; - u) - mode="u" - ;; - v) - verbose="1" - ;; - y) - yes="1" - ;; - t) - takeover="1" - ;; - b) - BOOTDIR="${OPTARG}" - if [ ! -d "${BOOTDIR}" ]; then - echo "Error: ${BOOTDIR} is not a directory." - exit 1 - fi - ;; - h|?) - usage - ;; - esac -done - -shift $((${OPTIND} - 1)) - -if [ $# -ne 0 ]; then - echo "Invalid argument for option -k." - usage -fi - -# Validate arguments -if [ -z "${mode}" ]; then - usage "You must specify at least one of -c, -u, or -d." -fi - -if [ "${version}" = "all" ] \ - || ( [ "${update_initramfs}" = "all" ] && [ -z "${version}" ] ); then - : FIXME check for --yes, and if not ask are you sure - get_sorted_versions - if [ -z "${version_list}" ]; then - verbose "Nothing to do, exiting." - exit 0 - fi - - OPTS="-b ${BOOTDIR}" - if [ "${verbose}" = "1" ]; then - OPTS="${OPTS} -v" - fi - if [ "${takeover}" = "1" ]; then - OPTS="${OPTS} -t" - fi - if [ "${yes}" = "1" ]; then - OPTS="${OPTS} -y" - fi - for u_version in ${version_list}; do - # Don't stop if one version doesn't work. - set +e - verbose "Execute: ${0} -${mode} -k \"${u_version}\" ${OPTS}" - "${0}" -${mode} -k "${u_version}" ${OPTS} - set -e - done - exit 0 -fi - - -case "${mode}" in - c) - create - ;; - d) - delete - ;; - u) - update - ;; -esac