#! /bin/sh

jailName="$1"

mkdir -p /jails/$jailName

if zfs list zroot/jails/$jailName
then
  echo " Dataset $jailName already exists !"
  exit
else
 ls -al /usr/freebsd-dist/MANIFEST
 echo "I will install freeBSD version which was issued by the day the file above was last changed."
 read -p "If you want to instlal newer version, remove the content of dirctory /usr/freebsd-dist/ before continuing.  " REPLY
 zfs create -o mountpoint=/jails/$jailName zroot/jails/$jailName
 # zfs set recordsize=8K zroot/jails/$jailName
 cd  /jails/$jailName
 # adresář rootfs to samo vytvoří
 bsdinstall jail rootfs
 datum=`date "+%Y-%m-%d %H:%M:%S"`
 printf "$jailName{\n\$note = \"Created $datum\";\n\$ip = \"192.168.144.XXX/24\";\n}">/jails/$jailName/c.conf

 echo "Doing update patches"

 freebsd-update -b /jails/$jailName/rootfs fetch
 freebsd-update -b /jails/$jailName/rootfs install

 echo "Do not forget to change ip adress in /jails/$jailName/c.conf"
 echo "Remember to setup firewall."
 echo "Install apps for example by \"pkg install screen vim mc\" inside."
fi