#!/bin/sh

err() {
        cd ${ORIGDIR}
        rm -rf ${WRKDIR:-/nonexistent}
        echo "$@" >&2
        exit 1
}
: ${PORTSDIR:=/usr/ports}
: ${TMPDIR:=/tmp}
url=http://ftp.netbsd.org/pub/NetBSD/misc/sjg/bmake-20140214.tar.gz
makesum="2ec1771a800431c26361659ab0f96ec5c2536e85b46564eb69fa75a4b12886de"

WRKDIR=`mktemp -d ${TMPDIR}/bootstrap-ports-XXXX`
ORIGDIR=`pwd`
cd ${WRKDIR} || err "Impossible to create working directory"
fetch ${url} || err "Impossible to fetch bmake"
archive=${url##*/}
sum=$(sha256 -q ${archive})
[ "${sum}" == ${makesum} ] || err "Bad checksum"
tar xf ${archive} || err "Impossible to extract bmake"
cd ${WRKDIR}/bmake || err "Impossible to enter the bmake directory"
./configure || err "Fails to configure"
sh ./make-bootstrap.sh || err "Fails to bootstrap"
/${WRKDIR}/bmake/bmake -C ${PORTSDIR}/devel/bmake clean reinstall || err "Fails to bootstrap"
cd ${ORIGDIR}
rm -rf ${WRKDIR}