script for install freebsd on zfs

zfs-setup.sh

#!/bin/sh

msg() {
	echo -e "\033[1;32m >> \033[1;37m$1\033[0m..."
}

msg "Creating zroot"
zpool create -f zroot mirror /dev/gpt/disk0 /dev/gpt/disk1

msg "Configuring zroot"
zpool set bootfs=zroot zroot
zfs set checksum=fletcher4 zroot
zfs set mountpoint=/mnt zroot

msg "Creating zpool.cache"
zpool export zroot
zpool import -o cachefile=/var/tmp/zpool.cache zroot

msg "Creating zfs dirs"
zfs create zroot/usr
zfs create zroot/usr/home
zfs create zroot/var
zfs create -o compression=on   -o exec=on  -o setuid=off zroot/tmp
zfs create -o compression=lzjb             -o setuid=off zroot/usr/ports
zfs create -o compression=off  -o exec=off -o setuid=off zroot/usr/ports/distfiles
zfs create -o compression=off  -o exec=off -o setuid=off zroot/usr/ports/packages
zfs create -o compression=lzjb -o exec=off -o setuid=off zroot/usr/src
zfs create -o compression=lzjb -o exec=off -o setuid=off zroot/var/crash
zfs create                     -o exec=off -o setuid=off zroot/var/db
zfs create -o compression=lzjb -o exec=on  -o setuid=off zroot/var/db/pkg
zfs create                     -o exec=off -o setuid=off zroot/var/empty
zfs create -o compression=lzjb -o exec=off -o setuid=off zroot/var/log
zfs create -o compression=gzip -o exec=off -o setuid=off zroot/var/mail
zfs create                     -o exec=off -o setuid=off zroot/var/run
zfs create -o compression=lzjb -o exec=on  -o setuid=off zroot/var/tmp

#zfs create -V 2G zroot/swap
#zfs set org.freebsd:swap=on zroot/swap
#zfs set checksum=off zroot/swap

msg "Fixing chmod"
chmod 1777 /mnt/tmp
cd /mnt
ln -s usr/home home
chmod 1777 /mnt/var/tmp


cd /usr/freebsd-dist
export DESTDIR=/mnt

BASE='kernel.txz base.txz'
PORTS='ports.txz src.txz'
DOC='doc.txz'
#LIB32='lib32.txz'
#GAMES='games.txz'
for file in ${BASE} ${PORTS} ${DOC};
do
	msg "Unpacking $file"
	(cat $file | tar --unlink -xpJf - -C ${DESTDIR:-/});
done

msg "Copying zpool.cache into system"
cp /var/tmp/zpool.cache /mnt/boot/zfs/zpool.cache

msg "Configuring zfs"
echo 'zfs_enable="YES"' >> /mnt/etc/rc.conf
echo 'zfs_load="YES"' >> /mnt/boot/loader.conf
echo 'vfs.root.mountfrom="zfs:zroot"' >> /mnt/boot/loader.conf
touch /mnt/etc/fstab

msg "Finishing"
zfs set readonly=on zroot/var/empty
zfs umount -af
zfs set mountpoint=legacy zroot
zfs set mountpoint=/tmp zroot/tmp
zfs set mountpoint=/usr zroot/usr
zfs set mountpoint=/var zroot/var