#!/bin/sh
[ -r conf ] && . ./conf
: ${PGDATA:="$PGROOT/data"}

if [ "$PGROOT" != "/var/lib/postgresql" ]; then
	echo "Creating symlink /var/lib/postgresql -> $PGROOT"

	# Remove /var/lib/postgres if empty dir, but not if symlink
	if [ ! -L /var/lib/postgres ] && [ -d /var/lib/postgres ]; then
		rmdir /var/lib/postgres
	fi

	ln -sf "$PGROOT" /var/lib/postgresql
fi


if [ ! -d "$PGDATA" ]; then
	echo "Initializing database in $PGDATA"

	mkdir -p "$PGDATA"
	chown -R postgres:postgres "$PGDATA"
	chmod 0700 "$PGDATA"
	su - postgres -m -c "/usr/bin/initdb $INITOPTS -D '$PGDATA'" >/dev/null

	if [ -f /etc/postgresql/postgresql.conf ]; then
		ln -sf /etc/postgresql/postgresql.conf "$PGDATA/postgresql.conf"
	fi
fi

exec chpst -u postgres:postgres postgres -D "$PGDATA" $PGOPTS 2>&1