sudo -u postgres -i

# locale and encoding may vary
initdb -D /home/postgres/data${PSQLNEWVERSION} --locale=C --encoding=UTF8

# check upgrade
pg_upgrade -b /var/ports/basejail/usr/ports/databases/postgresql${PSQLOLDVERSION}-server/work/stage/usr/local/bin -B /usr/local/bin -d /home/postgres/data${PSQLOLDVERSION} -D /home/postgres/data${PSQLNEWVERSION} -c
# do upgrade
pg_upgrade -b /var/ports/basejail/usr/ports/databases/postgresql${PSQLOLDVERSION}-server/work/stage/usr/local/bin -B /usr/local/bin -d /home/postgres/data${PSQLOLDVERSION} -D /home/postgres/data${PSQLNEWVERSION}