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# Make sure mtab in the chroot reflects the currently mounted partitions.
update_mtab_procfs() {
grep "$ROOT" /proc/mounts | (
while read devpath mountpoint fstype options n1 n2 ; do
devpath=`mapdevfs $devpath || echo $devpath`
mountpoint=`echo $mountpoint | sed "s%^$ROOT%%"`
# The sed line removes the mount point for root.
if [ -z "$mountpoint" ] ; then
mountpoint="/"
fi
echo $devpath $mountpoint $fstype $options $n1 $n2
done ) > $mtab
}
# No /proc/mounts available, build one (Hurd)
update_mtab_scratch() {
echo "$rootfs / $rootfstype defaults 0 1" > $mtab
if [ "$bootfs" != "$rootfs" ]; then
echo "$bootfs /boot $bootfstype defaults 0 2" >> $mtab
fi
}
update_mtab() {
[ "$ROOT" ] || return 0
[ ! -h "$ROOT/etc/mtab" ] || return 0
mtab=$ROOT/etc/mtab
if [ -e /proc/mounts ]; then
update_mtab_procfs
else
update_mtab_scratch
fi
}
is_floppy () {
echo "$1" | grep -q '(fd' || echo "$1" | grep -q "/dev/fd" || echo "$1" | grep -q floppy
}
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