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Filename: /var///lib/dpkg/info/libc6:amd64.preinst
#!/bin/sh set -e export LC_ALL=C type=$1 preversion=$2 kernel_compare_versions () { verA=$(($(echo "$1" | sed 's/\([0-9]*\)\.\([0-9]*\).*/\1 \* 100 + \2/'))) verB=$(($(echo "$3" | sed 's/\([0-9]*\)\.\([0-9]*\).*/\1 \* 100 + \2/'))) test $verA -$2 $verB } if [ "$type" != abort-upgrade -a -z "$DPKG_ROOT" ] then # Check if the debconf module is available and usable USE_DEBCONF= if [ "$DEBIAN_HAS_FRONTEND" ]; then # Debconf is already loaded, so we already checked if the frontend # is usable or not USE_DEBCONF=1 elif [ -f /usr/share/debconf/confmodule ]; then # cdebconf has a working fallback mechanism in case dialog # is not usable, so do not try to do anything smart here if [ "$DEBCONF_USE_CDEBCONF" ] ; then USE_DEBCONF=1 # debconf requires perl elif perl -e "" 2>/dev/null ; then # Check that the selected frontend will work if [ -n "$DEBIAN_FRONTEND" ] ; then frontend="$DEBIAN_FRONTEND" else # Query the frontend without first sourcing the confmodule to avoid # losing control of the tty. This snippet must not be copied blindly. frontend="$(echo 'GET debconf/frontend' | debconf-communicate | sed '/^0 /!d;s/^0 //')" frontend="${frontend:-Dialog}" fi frontend=`echo $frontend | tr '[:upper:]' '[:lower:]'` case "$frontend" in dialog) # debconf uses whiptail by default unless dialog is available and # $DEBCONF_FORCE_DIALOG is set if [ -x "$(which whiptail)" ] && ! ( [ -n "$DEBCONF_FORCE_DIALOG" ] && [ -x "$(which dialog)" ] ); then frontend=whiptail fi # Only enable debconf if the whiptail/dialog are not available # (in which case debconf has a fallback mechanism) or usable if ! [ -x "$(which $frontend)" ] || $frontend --version > /dev/null 2>&1 ; then USE_DEBCONF=1 fi ;; *) # For now assume that all other frontends are fine USE_DEBCONF=1 ;; esac fi fi # Load debconf module if available and usable if [ "$USE_DEBCONF" ]; then . /usr/share/debconf/confmodule fi # See if LD_LIBRARY_PATH contains the traditional /lib, but not the # multiarch path dirs=$(echo $LD_LIBRARY_PATH | sed 's/:/ /g') for dir in $dirs ; do dir=$(readlink -e $dir || true) case "$dir" in /lib) seen_traditional=1 ;; /lib/x86_64-linux-gnu) seen_multiarch=1 ;; esac done if test -n "$seen_traditional" && test -z "$seen_multiarch" ; then echo echo "LD_LIBRARY_PATH contains the traditional /lib directory," echo "but not the multiarch directory /lib/x86_64-linux-gnu." echo "It is not safe to upgrade the C library in this situation;" echo "please remove the /lib/directory from LD_LIBRARY_PATH and" echo "try again." echo exit 1 fi # glibc kernel version check system=`uname -s` if [ "$system" = "Linux" ] then # sanity checking for the appropriate kernel on each architecture. kernel_ver=`uname -r` case ${DPKG_MAINTSCRIPT_ARCH} in *) # The GNU libc requires a >= 3.2 kernel, found in wheezy kernel_ver_min=3.2 kernel_ver_rec=3.2 ;; esac if kernel_compare_versions "$kernel_ver" lt $kernel_ver_min then if [ "$USE_DEBCONF" ] then db_version 2.0 db_fset glibc/kernel-too-old seen false db_reset glibc/kernel-too-old db_subst glibc/kernel-too-old kernel_ver $kernel_ver_rec db_input critical glibc/kernel-too-old || true db_go db_stop else echo "ERROR: This version of the GNU libc requires kernel version" echo "$kernel_ver_rec or later. Please upgrade your kernel before installing" echo "glibc." echo fi exit 1 fi if kernel_compare_versions "$kernel_ver" lt $kernel_ver_rec then if [ "$USE_DEBCONF" ] then db_version 2.0 db_fset glibc/kernel-not-supported seen false db_reset glibc/kernel-not-supported db_subst glibc/kernel-not-supported kernel_ver $kernel_ver_rec db_input critical glibc/kernel-not-supported || true db_go db_stop else echo "WARNING: This version of the GNU libc requires kernel version" echo "$kernel_ver_rec or later. Older versions might work but are not officially" echo "supported. Please consider upgrading your kernel." echo fi fi elif [ $system = "GNU/kFreeBSD" ] then kernel_ver=`uname -r` kernel_ver_min=8.3 if kernel_compare_versions "$kernel_ver" lt $kernel_ver_min then if [ "$USE_DEBCONF" ] then db_version 2.0 db_version 2.0 db_fset glibc/kernel-too-old seen false db_reset glibc/kernel-too-old db_subst glibc/kernel-too-old kernel_ver $kernel_ver_min db_input critical glibc/kernel-too-old || true db_go db_stop else echo "ERROR: This version of the GNU libc requires kernel version" echo "$kernel_ver_min or later. Please upgrade your kernel before installing" echo "glibc." echo fi exit 1 fi fi fi if [ "$type" = upgrade -a -z "$DPKG_ROOT" ] then if [ -n "$preversion" ] && [ -x "$(which ischroot)" ] && ! ischroot; then # NSS authentication trouble guard if dpkg --compare-versions "$preversion" lt 2.31; then if pidof xscreensaver xlockmore >/dev/null; then if [ "$USE_DEBCONF" ] ; then db_version 2.0 db_reset glibc/disable-screensaver db_input critical glibc/disable-screensaver || true db_go || true else echo "xscreensaver and xlockmore must be restarted before upgrading" echo echo "One or more running instances of xscreensaver or xlockmore have been" echo "detected on this system. Because of incompatible library changes, the" echo "upgrade of the GNU C library will leave you unable to authenticate to" echo "these programs. You should arrange for these programs to be restarted" echo "or stopped before continuing this upgrade, to avoid locking your users" echo "out of their current sessions." echo frontend=`echo "$DEBIAN_FRONTEND" | tr '[:upper:]' '[:lower:]'` if [ "$frontend" = noninteractive ]; then echo "Non-interactive mode, upgrade glibc forcibly" else echo -n "Press a key to continue" read answer fi echo fi fi check="kdm postgresql xdm" # NSS services check: echo -n "Checking for services that may need to be restarted..." # Only get the ones that are installed, of the same architecture # as libc (or arch all) and configured. Restart openssh-server even # if only half-configured to continue accepting new connections # during the upgrade. check=$(dpkg-query -W -f='${binary:Package} ${Status} ${Architecture}\n' $check 2> /dev/null | \ grep -E "(^openssh-server .* unpacked|installed) (all|${DPKG_MAINTSCRIPT_ARCH})$" | sed 's/[: ].*//') # some init scripts don't match the package names check=$(echo $check | \ sed -e's/\bapache2.2-common\b/apache2/g' \ -e's/\bat\b/atd/g' \ -e's/\bdovecot-common\b/dovecot/g' \ -e's/\bexim4-base\b/exim4/g' \ -e's/\blpr\b/lpd/g' \ -e's/\blpr-ppd\b/lpd-ppd/g' \ -e's/\bmysql-server\b/mysql/g' \ -e's/\bopenssh-server\b/ssh/g' \ -e's/\bsasl2-bin\b/saslauthd/g' \ -e's/\bsamba\b/smbd/g' \ -e's/\bpostgresql-common\b/postgresql/g' \ ) echo echo "Checking init scripts..." for service in $check; do invoke-rc.d ${service} status >/dev/null 2>/dev/null && status=0 || status=$? if [ "$status" = "0" ] || [ "$status" = "2" ] ; then services="$service $services" elif [ "$status" = "100" ] ; then echo "WARNING: init script for $service not found." fi done if [ -n "$services" ]; then if [ "$USE_DEBCONF" ] ; then db_version 2.0 db_reset glibc/upgrade db_subst glibc/upgrade services $services db_input critical glibc/upgrade || true db_go || true db_get glibc/upgrade answer=$RET else echo "Do you want to upgrade glibc now?" echo echo "Running services and programs that are using NSS need to be restarted," echo "otherwise they might not be able to do lookup or authentication any more." echo "The installation process is able to restart some services (such as ssh or" echo "telnetd), but other programs cannot be restarted automatically. One such" echo "program that needs manual stopping and restart after the glibc upgrade by" echo "yourself is xdm - because automatic restart might disconnect your active" echo "X11 sessions." echo echo "This script detected the following installed services which must be" echo "stopped before the upgrade: $services" echo echo "If you want to interrupt the upgrade now and continue later, please" echo "answer No to the question below." echo frontend=`echo "$DEBIAN_FRONTEND" | tr '[:upper:]' '[:lower:]'` if [ "$frontend" = noninteractive ]; then echo "Non-interactive mode, upgrade glibc forcibly" answer=true else echo -n "Do you want to upgrade glibc now? [Y/n] " read answer case $answer in Y*|y*) answer=true ;; N*|n*) answer=false ;; *) answer=true ;; esac fi echo fi if [ "x$answer" != "xtrue" ]; then echo "Stopped glibc upgrade. Please retry the upgrade after you have" echo "checked or stopped services by hand." exit 1 fi fi fi # end upgrading and $preversion lt 2.31 fi # Upgrading # This will keep us from using hwcap libs (optimized) during an # upgrade. touch /etc/ld.so.nohwcap fi if [ -n "$preversion" ]; then if dpkg --compare-versions "$preversion" lt 2.31; then # unconditionally wipe ld.so.cache on major version upgrades; this # makes those upgrades a bit slower, but is less error-prone than # hoping we notice every time the cache format is changed upstream rm -f "$DPKG_ROOT/etc/ld.so.cache" rm -f "$DPKG_ROOT/var/cache/ldconfig/aux-cache" fi fi exit 0
./Ninja\.