minix/etc/rc

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2005-04-21 16:53:53 +02:00
# /etc/rc - System startup script run by init before going multiuser.
umask 022
TERM="${TERM-minix}"
PATH=/usr/local/bin:/bin:/usr/bin
export TERM PATH
usage()
{
echo >&2 "Usage: $0 [-saf] start|stop|down"
exec intr sh
}
while getopts 'saf' opt
do
case $opt in
s) sflag=t ;; # Single user
a) aflag=t ;; # Ask for /usr
f) fflag=t ;; # Force a full file system check
*) usage
esac
done
shift `expr $OPTIND - 1`
case "$#:$1" in
1:start|1:stop|1:down)
action=$1
;;
*) usage
esac
case $action in
start)
echo "Multiuser startup in progress ..."
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# National keyboard?
test -f /etc/keymap && loadkeys /etc/keymap
# Set timezone.
. /etc/profile
# Try to read the hardware real-time clock, otherwise do it manually.
readclock || intr date -q
# Initialize files.
printroot >/etc/mtab # /etc/mtab keeps track of mounts
>/etc/utmp # /etc/utmp keeps track of logins
# /etc/fstab lists the root, tmp and usr devices.
. /etc/fstab
# Any swapspace on a device?
test "$swap" : '/dev/' && mount -s $swap
# Are we booting from CD?
bootcd="`/bin/sysenv bootcd`"
# If booting from CD, /usr has to be mounted readonly.
# Also, $usr won't be specified correctly in the
# fstab (the CD could be anywhere), so we decide
# where it is.
if [ "$bootcd" = 1 ]
then
ramname="`/bin/sysenv ramimagedev_n`"
usr_roflag="-r"
usr="/dev/c0`echo $ramname | sed 's/.*\(d.\).*/\1/'`p2"
echo "Setting /usr to mount readonly from cd: $ramname -> $usr"
fi
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# Mount the /usr partition unless this is a single floppy Minix.
if [ ! -d /usr/bin ]
then
if [ "$aflag" -o "$usr" = unknown ]
then
# We need to ask what the /usr du jour is.
intr sh -c '
echo -n "Finish the name of device to mount as /usr: /dev/"
read usr
echo "usr=/dev/$usr" >/tmp/usr'
. /tmp/usr
fi
mount $usr_roflag $usr /usr || {
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echo "\
Please try to mount something else as /usr, then hit CTRL-D to continue startup.
Mount $usr /usr failed -- Single user."
intr sh
}
rm -f /tmp/usr
fi
# Check if the system crashed.
if shutdown -C
then
echo
echo "The system was not properly shut down. Checking file systems."
fflag=t
fi
if [ "$fflag" ]
then
umount $usr
intr fsck -r $root
intr fsck -r $usr
mount $usr /usr
fi
if [ "$sflag" ]
then
echo "Single user."
intr sh
fi
# Any swapspace on a file?
test -n "$swap" -a ! "$swap" : '/dev/' && mount -s $swap
case "`printroot -r`":$bootcd in
/dev/ram:)
# Remove boot-only things to make space,
# unless booting from CD, in which case we need them.
rm -rf /boot
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esac
# Things should be alright now.
esac
# Further initialization.
test -f /usr/etc/rc && sh /usr/etc/rc $action
test -f /usr/local/etc/rc && sh /usr/local/etc/rc $action
# Any messages?
test "$action" = start -a -f /etc/issue && cat /etc/issue
exit 0