#!/bin/bash

export ENABLE_REPLICATION=${ENABLE_REPLICATION:-false}

set -eu
export_vars=$(cgroup-limits) ; export $export_vars

source "${CONTAINER_SCRIPTS_PATH}/common.sh"

set_pgdata

process_extending_files \
        "${APP_DATA}/src/postgresql-pre-start" \
        "${CONTAINER_SCRIPTS_PATH}/pre-start"

check_env_vars
generate_passwd_file
generate_postgresql_config

# Is this brand new data volume?
PG_INITIALIZED=false

if [ ! -f "$PGDATA/postgresql.conf" ]; then
  initialize_database
  PG_INITIALIZED=:
else
  try_pgupgrade
fi

pg_ctl -w start -o "-h ''"
if $PG_INITIALIZED ; then
    process_extending_files \
        "${APP_DATA}/src/postgresql-init" \
        "${CONTAINER_SCRIPTS_PATH}/init"
    migrate_db
    create_users
fi

process_extending_files \
    "${APP_DATA}/src/postgresql-start" \
    "${CONTAINER_SCRIPTS_PATH}/start"

pg_ctl stop

unset_env_vars
echo "Starting server..."
exec postgres "$@"