# NOTE: this is NOT a bash script. For one thing, sh is used for BSD
# and for another, there are several places where you have to provide input

# get latest release info
freebsd-update fetch
freebsd-update install
# download upgrade files. Change the 10.3-RELEASE to
# whatever release you are upgrading to.
freebsd-update upgrade -r 10.3-RELEASE
# do the initial upgrade
freebsd-update install
# reboot
shutdown -r now
# update everything else
freebsd-update install
shutdown -r now

# upgrade ports structure
portsnap fetch
portsnap extract
portsnap fetch update

# upgrade pkg (binary) packages
pkg clean
pkg update
pkg upgrade