#!/bin/bash

############################
#### CATALYST VARIABLES ####
ver=hardened-2.6
arch=amd64
profile=hardened/amd64
rel_type=hardened

#########################
#### STAGE VARIABLES ####
export CHOST="x86_64-pc-linux-gnu"
export CFLAGS="-O2 -pipe"
export CXXFLAGS="${CFLAGS}"
#export CC=gcc
#export CXX=g++

#####################
### SCRIPT EXTRAS ###
# clean out the temp dir between catalyst runs
# useful for systems which are low on space
clean=0
# name of the seed tarball (no .tar.bz2) ... 
# put it into the builds dir of catalyst
#seed=stage3-amd64-pie_ssp-20040807
#seed=stage3-amd64-hardened-20050125
seed=stage3-amd64-hardened-20050204
#################
#### TODO :) ####
 #- automatically e-mail when something finishes/fails


#####################################################
#### SHOULDNT NEED TO MODIFY ANYTHING BELOW HERE ####

if [ ! -x /usr/bin/time ] ; then
	echo "Please 'emerge sys-apps/time'"
	exit 1
fi

cdir="$(source /etc/catalyst/catalyst.conf ; echo ${storedir:-/var/tmp/catalyst})"
tmpdir="${cdir}/tmp"
snapdir="${cdir}/snapshots"
builddir="${cdir}/builds"
stagedir="${builddir}/${rel_type}"

unset PORTDIR_OVERLAY

mkdir -p "${stagedir}"
cd /etc/catalyst

docatalyst() {
	echo

	if [ "${clean}" != "0" ] ; then
		if [ -d "${tmpdir}" ] ; then
			echo "* Cleaning temp dir"
			rm -rf "${tmpdir}"
		fi
	fi

	echo "* Building $3"

	local basetarget="${1}/${2}.tar.bz2"
	if [ -f "${basetarget}" ] ; then
		echo "* $3 is cached at ${1}/${2}.tar.bz2"
		return
	fi

	if [ "${3}" == "snapshot" ] ; then
		catalyst -C \
			version_stamp="${ver}" \
			target="${3}" \
			|| exit 1
		return
	fi

	if [ ! -f "${builddir}/${4}.tar.bz2" ] ; then
		echo "* $3 lacks the source tarball '${4}.tar.bz2:"
		echo "* Could not find it in ${builddir}"
		exit 1
	fi

	/usr/bin/time \
		--output="${basetarget}.time" \
	catalyst -C \
		version_stamp="${ver}" \
		snapshot="${ver}" \
		subarch="${arch}" \
		profile="${profile}" \
		rel_type="${rel_type}" \
		target="${3}" \
		source_subpath="${4}" \
		|| exit 2
	cd $(dirname "${basetarget}")
	md5sum $(basename "${basetarget}") > "${basetarget}.digests"
	sha1sum $(basename "${basetarget}") >> "${basetarget}.digests"
	tar -tjf "${basetarget}" > "${basetarget}.CONTENTS"
}

stage_name="${arch}-${ver}"
docatalyst "${snapdir}" "portage-${ver}" snapshot
docatalyst "${stagedir}" "stage1-${stage_name}" stage1 "${seed}"
docatalyst "${stagedir}" "stage2-${stage_name}" stage2 "${rel_type}/stage1-${stage_name}"
docatalyst "${stagedir}" "stage3-${stage_name}" stage3 "${rel_type}/stage2-${stage_name}"