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#!/bin/sh
# vim:noexpandtab
# Simple powersave script
#
# Copyright 2006 Red Hat, Inc.
#
# Based on work from:
# Bill Nottingham <notting@redhat.com>
# Peter Jones <pjones@redhat.com>
# David Zeuthen <davidz@redhat.com>
# Richard Hughes <richard@hughsie.com>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of version 2 of the GNU General Public License as
# published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
export STASHNAME=pm-powersave
. "/usr/lib64/pm-utils/pm-functions"
remove_powersave_lock() {
release_lock "${STASHNAME}.lock"
}
help() {
cat <<EOF
$0: Valid options are:
false or ac = turn powersaving features off.
true or battery = turn powersaving features on.
help = get detailed help.
EOF
if [ "$1" = "--help" ]; then
cat <<EOF
The rest of this help message displays the variables
that can be used to tune the powersave hooks.
You can change these variables using pm-utils config files.
(see the pm-utils README for more information)
EOF
else
echo "You can get more detailed information by running pm-powersave --help"
fi
}
lock_and_load() {
# take the powersave lock.
# ensure it gets released no matter how we exit.
try_lock "${STASHNAME}.lock" || exit 1
trap remove_powersave_lock 0
mkdir -p "${STORAGEDIR}"
rm -f "${INHIBIT}"
load_hook_blacklist
init_logfile "${PM_LOGFILE}"
}
case $1 in
true|battery) lock_and_load && run_hooks power true;;
false|ac) lock_and_load && run_hooks power false;;
--help) help && run_hooks power help;;
'') lock_and_load; on_ac_power && run_hooks power false || run_hooks power true;;
*) help && exit 1;;
esac