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File mlocate.cron of Package mlocate

#! /bin/sh
set -e

# ensure we have proper umask bnc#941296
umask 0022

# check if we are already running (lockfile)
LOCKFILE="/var/lock/mlocate.daily.lock"
if [ -e "${LOCKFILE}" ]; then
	echo >&2 "Warning: \"${LOCKFILE}\" already present, not running updatedb."
	exit 1
fi
touch "${LOCKFILE}"
# trap the lockfile only if we really run the updatedb
trap "rm -f ${LOCKFILE}" EXIT

# source the user specified variables
if [ -f /etc/sysconfig/locate ] ; then
	. /etc/sysconfig/locate

# Compat code for including variables from findutils-locate
	# where the values were store in /etc/sysconfig/locate
	if [ -n "${UPDATEDB_PRUNEFS}" ] ; then
		UPDATEDB_PRUNEFS="--add-prunefs=\"${UPDATEDB_PRUNEFS}\""
	fi
	if [ -n "${UPDATEDB_PRUNEPATHS}" ] ; then
		UPDATEDB_PRUNEPATHS="--add-prunepaths=\"${UPDATEDB_PRUNEPATHS}\""
	fi
fi

# check if user said he want the db generated
if [ -z "${RUN_UPDATEDB}" ] || [ "${RUN_UPDATEDB}" != "yes" ] ; then
	exit 0
fi

# check the config file
NODEVS=""
if [ ! -f /etc/updatedb.conf ]; then
	NODEVS="-f $(< /proc/filesystems awk '$1 == "nodev" && $2 != "rootfs" { print $2 }')"
fi

# alter the priority of the updatedb process
if [ -x /usr/bin/renice ]; then
	/usr/bin/renice +${NICE:-19} -p $$ > /dev/null 2>&1
fi
if [ -x /usr/bin/ionice ] && /usr/bin/ionice -c3 true 2>/dev/null; then
	/usr/bin/ionice -c${IONICE_CLASS:-2} -n${IONICE_PRIORITY:-7} -p $$ > /dev/null 2>&1
fi

# run the updatedb if possible
if [ -x /usr/bin/updatedb ]; then
	if [ -z "${RUN_UPDATEDB_AS}" ] ; then
		RUN_UPDATEDB_AS=root
	fi
	# change the perms to the var directory to our desired user
	chown -R "${RUN_UPDATEDB_AS}":root /var/lib/mlocate
	# change the user and run the updatedb under it
	/usr/bin/su "${RUN_UPDATEDB_AS}" -c "umask 0022; /usr/bin/updatedb ${NODEVS} ${UPDATEDB_PRUNEFS} ${UPDATEDB_PRUNEPATHS}"
else
	echo >&2 "Warning: \"/usr/bin/updatedb\" is not executable, unable to run updatedb."
	exit 1
fi

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File mlocate.cron of Package mlocate

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