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## vim:ft=zsh
## Small shutdown/reboot wrapper to work together with my other tools
## Usage: off [-nrh] [place]
## Copyright (C) 2008, 2009 by Daniel Friesel <derf@derf.homelinux.org>
## License: WTFPL <http://sam.zoy.org/wtfpl>
autoload warn fdie
typeset filesystem garbage file
typeset -a filesystems
typeset tune2fs
typeset -i force reboot simulate exit_ok=1
typeset gone
function execute {
if (( simulate )) {
echo $*
} else {
$* || exit_ok=0
}
}
while [[ $1 == -* ]] {
case $1 in
-n) simulate=1 ;;
-r) reboot=1 ;;
--force) force=1 ;;
-h)
print 'off - shutdown / restart the system'
print 'Usage: off [--force] [-hnr] [place]'
print 'Options:\n'
print ' -n simulate. Do not actually shutdown'
print ' -r reboot'
print ' -h show this message'
print '\--force shutdown even if the machine is a server'
print ''
print ' place supply if machine will remain off for some time,'
print ' either "gone" or the place one will be going to'
return 0
;;
-|--) shift; break ;;
*) fdie "Unrecognized option: $1"; return 1 ;;
esac
shift
}
gone=$1
# Don't shut down a server too easily
if [[ $force != 1 && $hosts[$HOST] == *:server:* ]] {
warn "This seems to be a server... not shutting down"
echo "Use 'off --force' if you really mean it"
return 1
}
if [[ -n $gone ]] {
for file in ~/packages/leave.d/etc/{_any,$gone}/*(N); {
if [[ ${file:e} == zsh ]] {
execute source $file
} else {
execute $file
}
}
}
if pgrep -x amarokapp &> /dev/null; then
execute dcop amarok MainApplication-Interface quit
fi
execute uinit -o text stop-all
while read filesystem garbage; do
if [[ $garbage == *[12] ]] && fgrep $filesystem /etc/mtab &> /dev/null; then
filesystems+=$filesystem
fi
done < /etc/fstab
for filesystem in $filesystems; {
tune2fs=($(sudo tune2fs -l $filesystem | fgrep -i 'mount count' | grep -o '[0-9]*'))
if (( tune2fs[2] - tune2fs[1] < 5 )) {
exit_ok=0
echo "notice: filesystem $filesystem due to check in $((tune2fs[2] - tune2fs[1])) mounts"
}
}
if (( reboot )) {
execute sudo reboot
} else {
execute sudo halt
}
if (( exit_ok )) {
execute exit
}
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