49 lines
1.3 KiB
Bash
Executable File
49 lines
1.3 KiB
Bash
Executable File
#! /bin/sh
|
|
set -e
|
|
|
|
# check if we run on battery and if so then don't run
|
|
if which on_ac_power >/dev/null 2>&1; then
|
|
ON_BATTERY=0
|
|
on_ac_power >/dev/null 2>&1 || ON_BATTERY=$?
|
|
if [ "${ON_BATTERY}" -eq 1 ]; then
|
|
exit 0
|
|
fi
|
|
fi
|
|
|
|
# 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 ${LOCKFILE}" EXIT
|
|
|
|
# source the user specified variables
|
|
if [ -f /etc/mlocate-cron.conf ]; then
|
|
. /etc/mlocate-cron.conf
|
|
fi
|
|
|
|
# check the config file
|
|
NODEVS=""
|
|
if [ ! -f /etc/updatedb.conf ]; then
|
|
NODEVS=$(< /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
|
|
/usr/bin/updatedb -f "${NODEVS}"
|
|
else
|
|
echo >&2 "Warning: \"/usr/bin/updatedb\" is not executable, unable to run updatedb."
|
|
exit 0
|
|
fi
|