diff options
Diffstat (limited to 'update-initramfs')
| -rwxr-xr-x | update-initramfs | 178 |
1 files changed, 80 insertions, 98 deletions
diff --git a/update-initramfs b/update-initramfs index 11f630f..f2439c8 100755 --- a/update-initramfs +++ b/update-initramfs @@ -7,13 +7,15 @@ KPKGCONF=/etc/kernel-img.conf USETRIGGERS=true mode="" version="" +update_initramfs=yes +backup_initramfs=no set -e [ -r ${CONF} ] && . ${CONF} if $USETRIGGERS \ - && [ x"$DPKG_MAINTSCRIPT_PACKAGE" != x ] \ + && [ x"${DPKG_MAINTSCRIPT_PACKAGE:-}" != x ] \ && [ $# = 1 ] \ && [ x"$1" = x-u ] \ && dpkg-trigger --check-supported 2>/dev/null @@ -26,8 +28,8 @@ fi usage() { - if [ -n "${1}" ]; then - printf "${@}\n\n" >&2 + if [ -n "${1:-}" ]; then + printf "${*}\n\n" >&2 fi cat >&2 << EOF Usage: ${0} [OPTION]... @@ -49,28 +51,28 @@ EOF # chroot check chrooted() { - # borrowed from udev's postinst - if [ "$(stat -c %d/%i /)" = "$(stat -Lc %d/%i /proc/1/root 2>/dev/null)" ]; then - # the devicenumber/inode pair of / is the same as that of - # /sbin/init's root, so we're *not* in a chroot and hence - # return false. - return 1 - fi - return 0 + # borrowed from udev's postinst + if [ "$(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 "${@}\n" >&2 + if [ -n "${1:-}" ]; then + printf "${*}\n" >&2 fi exit 0 } panic() { - if [ -n "${1}" ]; then - printf "${@}\n" >&2 + if [ -n "${1:-}" ]; then + printf "${*}\n" >&2 fi exit 1 } @@ -78,7 +80,7 @@ panic() verbose() { if [ "${verbose}" = 1 ]; then - printf "${@}\n" + printf "${*}\n" fi } @@ -127,6 +129,7 @@ backup_booted_initramfs() fi # keep booted initramfs + boot_initramfs= uptime_days=$(awk '{printf "%d", $1 / 3600 / 24}' /proc/uptime) if [ -n "$uptime_days" ]; then boot_initramfs=$(find "${initramfs}.bak" -mtime +${uptime_days}) @@ -141,9 +144,9 @@ backup_booted_initramfs() } # nuke generated copy -remove_initramfs() +remove_initramfs_bak() { - [ -z "${initramfs_bak}" ] && return 0 + [ -z "${initramfs_bak:-}" ] && return 0 rm -f "${initramfs_bak}" verbose "Removing ${initramfs_bak}" } @@ -161,13 +164,13 @@ generate_initramfs() set_sha1 else mkinitramfs_return="$?" - remove_initramfs + remove_initramfs_bak rm -f "${initramfs}.new" if [ "$mkinitramfs_return" = "2" ]; then # minversion wasn't met, exit 0 exit 0 fi - echo "update-initramfs: failed for ${initramfs}" + echo "update-initramfs: failed for ${initramfs}" >&2 exit $mkinitramfs_return fi } @@ -177,93 +180,61 @@ run_lilo() { # show lilo errors on failure if ! lilo -t > /dev/null 2>&1 ; then - echo "ERROR lilo fails for new ${initramfs}:" + echo "ERROR lilo fails for new ${initramfs}:" >&2 echo lilo -t fi lilo } -# check if lilo is on mbr -mbr_check() -{ - # try to discover grub and be happy - [ -r /boot/grub/menu.lst ] \ - && groot=$(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="${boot}" bs=512 skip=0 count=1 2> /dev/null | grep -q LILO \ - && run_lilo && return 0 - - # no idea which bootloader is used - echo - echo "WARNING: grub and lilo installed." - echo "If you use grub as bootloader everything is fine." - echo "If you use lilo as bootloader you must run lilo!" - echo -} - # Invoke bootloader run_bootloader() { + # invoke policy conformant bootloader hooks + if [ -d /etc/initramfs/post-update.d/ ]; then + run-parts --arg=${version} --arg=${initramfs} \ + /etc/initramfs/post-update.d/ + return 0 + fi + + # FIXME: to be removed postsqueeze release # if both lilo and grub around, figure out if lilo needs to be run - if [ -x /sbin/grub ] || [ -e /boot/grub/menu.lst ] \ - || [ -x /usr/sbin/grub ]; then - if [ -e /etc/lilo.conf ] && [ -x /sbin/lilo ]; then - [ -r "${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 - else - mbr_check - return 0 - fi + 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 + echo + echo "WARNING: grub and lilo installed." + echo "Please deinstall unused bootloader." + echo return 0 fi - if [ -r /etc/lilo.conf ] && [ -x /sbin/lilo ]; then + if [ -r /etc/lilo.conf ] && command -v lilo >/dev/null 2>&1; then run_lilo return 0 fi - if [ -x /sbin/elilo ]; then + if [ -r /etc/elilo.conf ] && command -v elilo >/dev/null 2>&1; then elilo return 0 fi if [ -r /etc/zipl.conf ]; then zipl + return 0 fi if flash-kernel --supported >/dev/null 2>&1; then - flash-kernel + flash-kernel ${version} + return 0 fi } @@ -337,11 +308,12 @@ set_current_version() set_linked_version() { - if [ -L /initrd.img ]; then + linktarget= + if [ -e /initrd.img ] && [ -L /initrd.img ]; then linktarget="$(basename "$(readlink /initrd.img)")" fi - if [ -L /boot/initrd.img ]; then + if [ -e /boot/initrd.img ] && [ -L /boot/initrd.img ]; then linktarget="$(basename "$(readlink /boot/initrd.img)")" fi @@ -355,6 +327,10 @@ set_linked_version() set_highest_version() { get_sorted_versions + if [ -z "${version_list}" ]; then + version= + return + fi set -- ${version_list} version=${1} } @@ -388,11 +364,11 @@ update() fi if [ -z "${version}" ]; then - set_linked_version + set_highest_version fi if [ -z "${version}" ]; then - set_highest_version + set_linked_version fi if [ -z "${version}" ]; then @@ -427,12 +403,14 @@ delete() set_initramfs - if [ ! -e "${initramfs}" ]; then - panic "Cannot delete ${initramfs}, doesn't exist." - fi + if [ "${takeover}" = 0 ]; then + if [ ! -e "${initramfs}" ]; then + panic "Cannot delete ${initramfs}, doesn't exist." + fi - if ! version_exists "${version}"; then - panic "Cannot delete version ${version}: Not created by this utility." + if ! version_exists "${version}"; then + panic "Cannot delete version ${version}: Not created by this utility." + fi fi altered_check @@ -441,7 +419,7 @@ delete() delete_sha1 - rm -f "${initramfs}" + rm -f "${initramfs}" "${initramfs}.bak" } # Check for update mode on existing and modified initramfs @@ -492,7 +470,7 @@ while getopts "k:cudyvtb:h?" flag; do b) BOOTDIR="${OPTARG}" if [ ! -d "${BOOTDIR}" ]; then - echo "Error: ${BOOTDIR} is not a directory." + echo "Error: ${BOOTDIR} is not a directory." >&2 exit 1 fi ;; @@ -502,6 +480,13 @@ while getopts "k:cudyvtb:h?" flag; do esac done +shift $((${OPTIND} - 1)) + +if [ $# -ne 0 ]; then + echo "Invalid argument for option -k." >&2 + usage +fi + # Validate arguments if [ -z "${mode}" ]; then usage "You must specify at least one of -c, -u, or -d." @@ -527,11 +512,8 @@ if [ "${version}" = "all" ] \ OPTS="${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 |