Upload var/lib/dpkg/info/libc6:amd64.preinst with huggingface_hub

var/lib/dpkg/info/libc6:amd64.preinst

@@ -0,0 +1,520 @@
+#!/bin/sh
+set -e
+export LC_ALL=C
+
+type=$1
+preversion=$2
+
+linux_compare_versions () {
+    verA=$(($(echo "$1" | sed 's/^\([0-9]*\.[0-9]*\)\([^.0-9]\|$\)/\1.0\2/; s/\([0-9]*\)\.\([0-9]*\)\.\([0-9]*\).*/\1 \* 10000 + \2 \* 100 + \3/')))
+    verB=$(($(echo "$3" | sed 's/^\([0-9]*\.[0-9]*\)\([^.0-9]\|$\)/\1.0\2/; s/\([0-9]*\)\.\([0-9]*\)\.\([0-9]*\).*/\1 \* 10000 + \2 \* 100 + \3/')))
+
+    test $verA -$2 $verB
+}
+
+kfreebsd_compare_versions () {
+    verA=$(($(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
+}
+
+# Sanity check.
+# If there are versions of glibc outside of the normal installation
+# location (/lib, /lib64, etc.) then things may break very badly
+# as soon as ld.so is replaced by a new version.  This check is not
+# foolproof, but it's pretty accurate.  This script ignores libraries
+# with different sonames, and libraries incompatible with the 
+# to-be-installed ld.so.
+check_dir () {
+    msg=$1
+    dir=$2
+
+    # Follow symlinks
+    dir=$(readlink -e $dir || true)
+
+    # Ignore inexistent directories
+    if ! test -d "$dir" ; then
+        return
+    fi
+  
+    # Detect possible candidates
+    files=$(ls $dir | egrep '^(ld|lib(d|c|m|pthread|rt|dl))-2.*.so' 2>/dev/null || true)
+    if test -z "$files" ; then
+        return
+    fi
+  
+    for file in $files ; do
+        lib=$dir/$file
+
+        # Skip if it is a symlink (as installed by lsb-core)
+        if test -L "$lib" ; then
+            continue
+        fi
+
+        # Skip if it is the currently dynamic loader
+        if test "$lib" = "$ldfile" ; then
+            continue
+        fi
+
+        # See if the found libraries are compatible with the system ld.so;
+        # if they aren't, they'll be ignored. Check e_ident, e_type (which
+        # will just be ET_DYN), and e_machine. If a match is found, there
+        # is a risk of breakage.
+        libbytes=`head -c 20 $lib | od -c`
+        if test "$ldbytes" != "$libbytes" ; then 
+          continue
+        fi
+
+        # Binaries owned packages are considered to do the right thing
+        # First try a quick lookup which should catch all cases on a 
+        # normal system
+        if echo $libcfiles | grep -q "[ ^]$lib[ $]" ; then 
+            continue
+        fi
+
+        # Slower lookup to confirm
+        if dpkg-query -S "$lib" >/dev/null 2>&1 ; then
+            continue
+        fi
+
+        # Output an error message and exit
+        echo
+        echo "A copy of the C library was found $msg:"
+        echo "  '$lib'"
+        echo "It is not safe to upgrade the C library in this situation;"
+        echo "please remove that copy of the C library or get it out of"
+        echo "'$dir' and try again."
+        echo
+        exit 1
+    done
+}
+
+if [ -n "$preversion" ] && dpkg --compare-versions "$preversion" lt 2.31-0ubuntu2; then
+	LDCONFIG_NOTRIGGER=y
+	export LDCONFIG_NOTRIGGER
+	ldconfig || ldconfig --verbose
+fi
+
+if [ "$type" != abort-upgrade ]
+then
+    # Load debconf module if available and usable
+    if [ -f /usr/share/debconf/confmodule ] && \
+       ( [ "$DEBCONF_USE_CDEBCONF" ] || perl -e "" 2>/dev/null ) ; then
+        . /usr/share/debconf/confmodule
+        USE_DEBCONF=1
+    fi
+
+    # See if LD_LIBRARY_PATH contains the traditional /lib, but not the
+    # multiarch path
+    dirs=$(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 ${DPKG_MAINTSCRIPT_ARCH} in
+            *)
+                # The GNU libc requires a >= 3.2 kernel, found in wheezy
+                kernel_ver_min=3.2
+                kernel_ver_rec=3.2
+                ;;
+        esac
+
+        if linux_compare_versions "$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 linux_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 [ $system = "GNU/kFreeBSD" ]
+    then
+        kernel_ver=`uname -r`
+        kernel_ver_min=8.3
+        if kfreebsd_compare_versions "$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 [ "$type" = upgrade ]
+then
+    # Try to detect copies of the libc library in the various places
+    # the dynamic linker uses.
+    ldfile=$(readlink -m /lib64/ld-linux-x86-64.so.2)
+    if test -f "$file"; then
+        ldbytes=$(head -c 20 /lib64/ld-linux-x86-64.so.2 | od -c)
+    else
+        # If the symlink to the dynamic linker is dangling or missing, set
+        # ldbytes to an empty string, the test below will fail and all the
+        # libraries found will be ignored.
+        ldbytes=""
+    fi
+    libcfiles=$(dpkg-query -L ${DPKG_MAINTSCRIPT_PACKAGE}:${DPKG_MAINTSCRIPT_ARCH} 2>/dev/null)
+
+    dirs="/lib/x86_64-linux-gnu /lib /lib/tls /lib32 /lib64 /usr/local/lib /usr/local/lib32 /usr/local/lib64"
+    for dir in $dirs ; do
+        check_dir "in an unexpected directory" $dir
+    done
+
+    if test -n "$LD_LIBRARY_PATH"; then
+        dirs=$(echo $LD_LIBRARY_PATH | sed 's/:/ /g')
+        for dir in $dirs ; do
+            check_dir "via LD_LIBRARY_PATH" $dir
+        done
+    fi
+
+    if test -e /etc/ld.so.conf; then
+        dirs=$(echo $(cat /etc/ld.so.conf))
+        if test -n "$dirs" ; then
+            for dir in $dirs ; do
+                check_dir "via /etc/ld.so.conf" $dir
+            done
+        fi
+    fi
+
+    if [ -e /lib/tls/i686/cmov/libc.so.6 ] || [ -e /lib/i686/cmov/libc.so.6 ] ; then
+        status_i686=$(dpkg -s libc6-i686 2>/dev/null | grep ^Status: | sed -e 's/^Status: \(.*\) \(.*\) \(.*\)/\3/g')
+        status_xen=$(dpkg -s libc6-xen 2>/dev/null | grep ^Status: | sed -e 's/^Status: \(.*\) \(.*\) \(.*\)/\3/g')
+        if ([ -z "$status_i686" ] || [ "$status_i686" = "not-installed" ] || [ "$status_i686" = "config-files" ]) && \
+             ([ -z "$status_xen" ] || [ "$status_xen" = "not-installed" ] || [ "$status_xen" = "config-files" ]); then
+            echo
+            echo "A non-dpkg owned copy of the libc6-i686 package was found."
+            echo "It is not safe to upgrade the C library in this situation;"
+            echo "please remove that copy of the C library and try again."
+            echo
+            exit 1
+        fi
+    fi
+
+    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"
+            # the following substitution processes the check variable
+            # and returns results in the services variable
+	    # 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
+	    [ -n "$check" ] && check=$(dpkg-query -W -f='${binary:Package} ${Status} ${Architecture}\n' $check 2> /dev/null | \
+			grep -E "installed (all|${DPKG_MAINTSCRIPT_ARCH})$" | sed 's/[: ].*//')
+	    # some init scripts don't match the package names
+	    check=$(echo $check | \
+		    sed -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/\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 $services
+		    if [ "$RELEASE_UPGRADE_MODE" = desktop ]; then
+			db_input medium glibc/upgrade || true
+		    else
+			db_input critical glibc/upgrade || true
+		    fi
+		    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
+
+            services=""
+            check="apache2 apache apache-ssl apache-perl autofs at"
+            check="$check boa cucipop courier-authdaemon cron cups exim"
+            check="$check exim4-base dovecot-common cucipop incron lprng lpr"
+            check="$check lpr-ppd mysql-server nis openbsd-inetd"
+            check="$check openldapd postgresql-common proftpd postfix postfix-tls"
+            check="$check rsync samba sasl2-bin slapd smail sendmail snmpd ssh"
+            check="$check spamassassin vsftpd wu-ftpd wu-ftpd-academ wwwoffle"
+            check="$check webmin dropbear gdm gdm3"
+            # the following substitution processes the check variable
+            # and returns results in the services variable
+            # NSS services check:
+            	    echo -n "Checking for services that may need to be restarted..."
+	    # Only get the ones that are installed, of the same architecture
+	    # as libc (or arch all) and configured
+	    [ -n "$check" ] && check=$(dpkg-query -W -f='${binary:Package} ${Status} ${Architecture}\n' $check 2> /dev/null | \
+			grep -E "installed (all|${DPKG_MAINTSCRIPT_ARCH})$" | sed 's/[: ].*//')
+	    # some init scripts don't match the package names
+	    check=$(echo $check | \
+		    sed -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/\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 [ "$USE_DEBCONF" ] ; then
+                    db_version 2.0
+                    if [ "$RELEASE_UPGRADE_MODE" = desktop ]; then
+                        db_input medium libraries/restart-without-asking || true
+                    else
+                        db_input critical libraries/restart-without-asking || true
+                    fi
+                    db_go || true
+    
+                    db_get libraries/restart-without-asking
+                    if [ "$RET" != true ]; then
+                        db_reset glibc/restart-services
+                        db_set glibc/restart-services "$services"
+                        if [ "$RELEASE_UPGRADE_MODE" = desktop ]; then
+                            db_input medium glibc/restart-services || true
+                        else
+                            db_input critical glibc/restart-services || true
+                        fi
+                        db_go || true
+                        db_get glibc/restart-services
+                        services="$RET"
+                    fi
+                else
+                    echo
+                    echo "Name Service Switch update in the C Library: post-installation question."
+                    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 "(for services such as ssh, this can affect your ability to login)."
+                    echo "Note: restarting sshd/telnetd should not affect any existing connections."
+                    echo
+                    echo "The services detected are: "
+                    echo "        $services"
+                    echo
+                    echo "If other services have begun to fail mysteriously after this upgrade, it is"
+                    echo "probably necessary to restart them too.  We recommend that you reboot your"
+                    echo "machine after the upgrade to avoid NSS-related troubles."
+                    echo
+                    frontend=`echo "$DEBIAN_FRONTEND" | tr '[:upper:]' '[:lower:]'`
+                    if [ "$frontend" = noninteractive ]; then
+                            echo "Non-interactive mode, restarting services"
+                            answer=yes
+                    else
+                            echo -n "Do you wish to restart services? [Y/n] "
+                            read answer
+                            case $answer in
+                            N*|n*) services="" ;;
+                            *) ;;
+                            esac
+                    fi
+                fi
+
+                if [ -n "$services" ]; then
+                    echo "Stopping some services possibly affected by the upgrade (will be restarted later):"
+                    for service in $services; do
+                        case "$service" in
+                            cron)
+                                # See bug (LP: #508083)
+                                echo -n "  $service: stopping..."
+                                if invoke-rc.d ${service} stop > /dev/null 2>&1; then
+                                    echo "done."
+                                    echo "$service" >> /var/run/services.need_start
+                                else
+                                    echo "FAILED! ($?)"
+                                    echo "$service" >> /var/run/services.need_restart
+                                fi
+                              ;;
+
+                            *)
+                                # log service details to allow postinst to handle the
+                                # restart.
+                                echo "$service" >> /var/run/services.need_restart
+                              ;;
+                        esac
+                    done
+    
+                fi
+                echo
+            else
+                echo "Nothing to restart."
+            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 /etc/ld.so.cache
+       rm -f /var/cache/ldconfig/aux-cache
+    fi
+fi
+
+exit 0