contrib/postgresql/post-install

#!/bin/sh -e

USER=postgres
HOME=/var/pgsql/data
GROUP=postgres
ID=42

getent group ${GROUP} >/dev/null || groupadd -r ${GROUP}
getent passwd ${USER} >/dev/null || useradd -u $ID -d ${HOME} -g ${GROUP} -s /bin/false ${USER}

test -d ${HOME} && exit 0

install -d -o ${USER} -g ${GROUP} ${HOME}
su -s /bin/sh -c "pg_ctl -D ${HOME} initdb" ${USER}