#!/bin/sh
set -e

export PGVER="${PGVER:-13}"
export PGBASE="${PGBASE:-/var/lib/postgresql}"
export PGDATA="${PGDATA:-$PGBASE/$PGVER/data}"
export PGLANG="${PGLANG:-en_US.utf8}"

case $1 in
  stop) pg_ctl stop -D "${PGDATA}" ;;
  reload) pg_ctl reload -D "${PGDATA}" ;;
  *)
    pid=/tmp/postgresql.pid
    log=${PGDATA}/postgresql.log

    if test ! -f "${PGDATA}/PG_VERSION" ; then
      /usr/bin/initdb --locale "${PGLANG}" -E UTF8 -D "${PGDATA}"

      echo "host all all samenet trust" >> "${PGDATA}/pg_hba.conf"

      echo "listen_addresses = '*'" >> "${PGDATA}/postgresql.conf"
      echo "external_pid_file = '${pid}'" >> "${PGDATA}/postgresql.conf"
    fi

    rm -f "${pid}"
    mkdir -p /run/postgresql
    daemonize -c "${PGDATA}" -o "${log}" -a -e "${log}" /usr/bin/postgres
    ;;
esac