262 lines
6.8 KiB
Bash
Executable File
262 lines
6.8 KiB
Bash
Executable File
#!/bin/sh
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# postinst based heavily on the postinst of libssl0.9.8, courtesy of
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# Christoph Martin.
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. /usr/share/debconf/confmodule
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set -e
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# element() is a helper function for file-rc:
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element() {
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local element list IFS
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element="$1"
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[ "$2" = "in" ] && shift
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list="$2"
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[ "$list" = "-" ] && return 1
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[ "$list" = "*" ] && return 0
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IFS=","
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set -- $list
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case $element in
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"$1"|"$2"|"$3"|"$4"|"$5"|"$6"|"$7"|"$8"|"$9")
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return 0
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esac
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return 1
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}
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# filerc (runlevel, service) returns /etc/init.d/service, if service is
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# running in $runlevel:
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filerc() {
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local runlevel basename
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runlevel=$1
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basename=$2
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while read LINE
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do
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case $LINE in
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\#*|"") continue
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esac
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set -- $LINE
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SORT_NO="$1"; STOP="$2"; START="$3"; CMD="$4"
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[ "$CMD" = "/etc/init.d/$basename" ] || continue
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if element "$runlevel" in "$START" || element "S" in "$START"
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then
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echo "/etc/init.d/$basename"
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return 0
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fi
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done < /etc/runlevel.conf
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echo ""
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}
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if test -d /run/systemd/system; then
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is_service_configured() {
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systemctl is-enabled --quiet $1 || return 1
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}
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restart_service() {
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if systemctl try-restart $1; then
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:
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else
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failed="$failed $1"
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fi
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}
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else # not systemd
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is_service_configured() {
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service="$1"
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idl="/etc/init.d/${service}"
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if [ -n "$idl" ] && [ -x $idl ]; then
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return 0
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else
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return 1
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fi
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}
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restart_service() {
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service="$1"
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idl="invoke-rc.d ${service}"
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echo -n " $service: stopping..." 2>&1
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$idl stop > /dev/null 2>&1 || true
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sleep 1
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echo -n "starting..." 2>&1
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if $idl start > /dev/null 2>&1; then
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echo "done." 2>&1
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else
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echo "FAILED! ($?)" 2>&1
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failed="$service $failed"
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fi
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}
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fi
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installed_services() {
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check="$@"
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# Only get the ones that are installed, and configured
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check=$(dpkg -s $check 2> /dev/null | egrep '^Package:|^Status:' | awk '{if ($1 ~ /^Package:/) { package=$2 } else if ($0 ~ /^Status: .* installed$/) { print package }}')
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# some init scripts don't match the package names
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check=$(echo $check | \
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sed -e's/\bapache2-common\b/apache2/g' \
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-e's/\bat\b/atd/g' \
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-e's/\bdovecot-common\b/dovecot/g' \
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-e's/\bdante-server\b/danted/g' \
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-e's/\bexim4-base\b/exim4/g' \
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-e's/\bheartbeat-2\b/heartbeat/g' \
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-e's/\bhylafax-server\b/hylafax/g' \
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-e's/\bpartimage-server\b/partimaged/g' \
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-e's/\bpostgresql-common\b/postgresql/g' \
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-e's/\bsamba\b/smbd samba-ad-dc/g' \
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-e's/\bsasl2-bin\b/saslauthd/g' \
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)
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for service in $check; do
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if is_service_configured $service; then
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services="$service $services"
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else
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echo "WARNING: $service not configured." >&2
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fi
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done
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echo "$services"
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}
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if [ "$1" = "configure" ]
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then
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if [ ! -z "$2" ] && [ ! -x /usr/lib/needrestart/apt-pinvoke ]; then
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if dpkg --compare-versions "$2" lt 1.4.0-2; then
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db_version 2.0
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echo -n "Checking for services that may need to be restarted..."
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check="apache2-common at bayonne cherokee courier-authdaemon"
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check="$check cron cups"
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check="$check dante-server diald dovecot-common exim exim4-base"
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check="$check fcron fireflier-server freeradius gdm heartbeat"
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check="$check heartbeat-2 hylafax-server iiimf-server inn2"
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check="$check kannel linesrv linesrv-mysql lsh-server"
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check="$check muddleftpd netatalk nuauth partimage-server"
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check="$check perdition pgpool popa3d"
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check="$check postgresql-common proftpd pure-ftpd"
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check="$check pure-ftpd-ldap pure-ftpd-mysql"
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check="$check pure-ftpd-postgresql racoon samba sasl2-bin"
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check="$check sfs-server solid-pop3d squid squid3 tac-plus"
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check="$check vsftpd wu-ftpd wzdftpd xrdp yardradius yaws"
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if [ -z "$(who | awk '$2 ~ /console/ && $NF ~ /:[0-9]/ { print $NF }
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$2 ~ /:[0-9]/ { print $2 }')" ]
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then
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check="$check wdm xdm"
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fi
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echo "Checking init scripts..."
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services=$(installed_services "$check")
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if [ -n "$services" ]; then
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db_reset libpam0g/restart-services
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db_set libpam0g/restart-services "$services"
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question_priority="critical"
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# Do not prompt when we're running in the upgrade-manager
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# and only default services need restarting.
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nondefault_services=$(echo "$services" | sed \
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-e's/\batd\b//g' \
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-e's/\bcron\b//g' \
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-e's/\bcups\b//g' \
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-e's/\bgdm\b//g' \
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-e's/\bsmbd\b//g' \
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-e's/^ *//g')
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if [ -n "$RELEASE_UPGRADE_IN_PROGRESS" ] && [ -z "$nondefault_services" ]; then
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question_priority="medium"
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fi
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db_input "$question_priority" libraries/restart-without-asking || true
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db_go || true
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db_get libraries/restart-without-asking
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if [ "$RET" != true ]; then
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db_reset libpam0g/restart-services
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db_set libpam0g/restart-services "$services"
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db_input "$question_priority" libpam0g/restart-services || true
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db_go || true
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db_get libpam0g/restart-services
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if [ "x$RET" != "x" ]
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then
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services=$RET
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else
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services=""
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fi
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fi
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echo
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if [ "$services" != "" ]; then
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echo "Restarting services possibly affected by the upgrade:"
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failed=""
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rl=$(runlevel | sed 's/.*\ //')
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for service in $services; do
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idl="invoke-rc.d ${service}"
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case "$service" in
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gdm)
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# If gdm isn't running, there's no need to reload it (LP: #745532)
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if ! $idl status | grep -q 'Active: active (running)'
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then
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echo " $service: not running, no reload needed."
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continue
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fi
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echo -n " $service: reloading..."
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if $idl reload > /dev/null 2>&1; then
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echo "done."
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else
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echo "FAILED! ($?)"
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failed="$service $failed"
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fi
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continue
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;;
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esac
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restart_service "$service"
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done
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echo
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if [ -n "$failed" ]; then
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db_subst libpam0g/restart-failed services "$failed"
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db_input critical libpam0g/restart-failed || true
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db_go || true
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else
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echo "Services restarted successfully."
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fi
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echo
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fi
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else
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echo "Nothing to restart."
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fi
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if [ -n "$(who | awk '$2 ~ /console/ && $NF ~ /:[0-9]/ { print $NF }
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$2 ~ /:[0-9]/ { print $2 }')" ]
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then
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dms=""
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for service in wdm xdm; do
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case "$services" in
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*$service*) ;;
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*) dms="$dms $service"
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esac
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done
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services=$(installed_services "$dms")
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if [ -n "$services" ]; then
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if [ -n "$RELEASE_UPGRADE_IN_PROGRESS" ] \
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&& [ -x /usr/share/update-notifier/notify-reboot-required ]
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then
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/usr/share/update-notifier/notify-reboot-required
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else
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db_input critical libpam0g/xdm-needs-restart || true
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db_go || true
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fi
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fi
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fi
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# Shut down the frontend, to make sure none of the
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# restarted services keep a connection open to it
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db_stop
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fi # end upgrading and $2 lt 1.4.0-2
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fi # Upgrading
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fi
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