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#!/bin/sh -e
#DEBHELPER#
# ionice should not be called in a virtual environment
# (similar to man-db cronjobs)
if [ -x /usr/bin/ionice ] && ! egrep -q '(envID|VxID):.*[1-9]' /proc/self/status
then
IONICE="/usr/bin/ionice -c3"
else
IONICE=""
fi
case "$1" in
configure)
# Just checking the main directory with -d should prevent the indexing
# to be started while an indexing is already going on, as the first
# thing that update-apt-xapian-index does is to create the directory if
# it is missing
#
# we also full-regenerate the index on upgrades from older versions
# because the weekly --update cron job will not use new plugins for
# already indexed packages
if [ ! -d /var/lib/apt-xapian-index ] || dpkg --compare-versions "$2" lt-nl "0.39"
then
if [ ! -x /usr/sbin/policy-rc.d ] || /usr/sbin/policy-rc.d apt-xapian-index start
then
echo "apt-xapian-index: Building new index in background..."
# Ensure that we can use our module. See #537376
update-python-modules -p
$IONICE nice /usr/sbin/update-apt-xapian-index --force --quiet &
fi
fi
;;
esac
exit 0
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