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## vim:ft=zsh
## Small shutdown/reboot wrapper to work together with my other tools
## Copyright (C) 2008 by Daniel Friesel <derf@derf.homelinux.org>
## License: WTFPL <http://sam.zoy.org/wtfpl>
autoload warn fdie
typeset filesystem line IFS=$'\n'
typeset -a filesystems
typeset tune2fs
typeset -i force reboot simulate
function execute {
if (( simulate )) {
echo $*
} else {
$*
}
}
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]'
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'
return 0
;;
*) fdie "Unrecognized option: $1"; return 1 ;;
esac
shift
}
# 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
}
execute uinit stop-all
for line in $(cat /etc/fstab); {
if [[ $line == *[12] ]] {
filesystems+=${${(s: :)line}[1]}
}
}
for filesystem in $filesystems; {
tune2fs=($(sudo tune2fs -l $filesystem | fgrep -i 'mount count' | grep -o '[0-9]*'))
if (( tune2fs[2] - tune2fs[1] < 5 )) {
echo "notice: filesystem $filesystem due to check in $((tune2fs[2] - tune2fs[1])) mounts"
}
}
if (( reboot )) {
execute sudo reboot
} else {
execute sudo halt
}
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