#!/bin/bash

source /etc/mage.rc.global
source /etc/mage.rc

die() { echo "Error: $@"; exit 1; }

CURRENT_TIME="$(date +%Y%m%d-%H%M)"

add2mage()
{
	echo "$@" >> ${MAGEFILE} || die "adding '$@' to ${MAGEFILE}"
}

generate_fake_everything()
{
	local DEPEND
	local MAGEFILE="${MAGEDIR}/fake/everything/everything-1-r1.mage"
	local i

	if [[ ! -d ${MAGEDIR}/fake/everything ]]
	then
		install -dv ${MAGEDIR}/fake/everything || die
	fi

	# create an empty file
	:> ${MAGEFILE} || die

	add2mage 'PKGNAME="everything-1-${ARCH}-r1"'
	add2mage 'STATE="unstable"'
	
	add2mage 'DESCRIPTION="fake everythin"'
	add2mage 'HOMEPAGE="http://www.magellan-linux.net/"'

	add2mage 'PKGTYPE="virtual"'
	add2mage 'MAGE_TARGETS=""'

	add2mage 'SPLIT_PACKAGE_BASE=""'

	pushd ${MAGEDIR}
	for i in */*
	do
		case ${i} in
			fake/*) continue ;;
			profiles/*) continue ;;
			include/*) continue ;;
			*)
				DEPEND="${DEPEND}
>= ${i}-1"
				;;
		esac
	done
	popd

	#echo "DEPEND='${DEPEND}'"

	add2mage "DEPEND=\"${DEPEND}\""
}


if [[ -d ${INSTALLDB} ]]
then
	echo "Backing up database to ${INSTALLDB}-${CURRENT_TIME} ..."
	mv "${INSTALLDB}" "${INSTALLDB}"-"${CURRENT_TIME}" || die
	install -d ${INSTALLDB} || die
fi

if [[ -d ${MAGEDIR} ]]
then
	echo "Backing up database to ${MAGEDIR}-${CURRENT_TIME} ..."
	mv "${MAGEDIR}" "${MAGEDIR}"-"${CURRENT_TIME}" || die
	install -d ${MAGEDIR} || die

	# get includes and profiles
	rsync --recursive ${RSYNC}/include ${MAGEDIR} || die "rsync includes from '${RSYNC}'"
	rsync --recursive ${RSYNC}/profiles ${MAGEDIR} || die "rsync profiles from '${RSYNC}'"
fi

# regen mage-tre
mage regen-mage-tree

# generate fake pkg
generate_fake_everything

# pretend everything
mage srcpretend everything

if [[ ${REALLY_BUILD_ME} = 1 ]]
then
	# install everything
	mage srcinstall everything

	# last but not least, uninstall the fake package
	mage uninstall everything
fi

echo "Everything done!"
[[ ${REALLY_BUILD_ME} = 1 ]] && echo "All packages can be found in '${PKGDIR}'"
echo