#!/bin/bash

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

# get some settings from mage
source /etc/mage.rc

# which profile we are using ?
PROFILE="$1"

[ -z "${PROFILE}" ] && die "no profile given. Usage: $(basename $0) PROFILE"
[ ! -f ./profiles/${PROFILE}/layout ] && die "Profile '${PROFILE}' layout file not found."

# which packages to build
# read them, end exclude the commented ones
TOOLCHAIN_PACKAGES="$(< ./profiles/${PROFILE}/layout)"

# where are the smage files ?
TOOLCHAIN_SMAGE_DIR=$(pwd)

# where gets the toolchain installed ?
export ROOT="$(pwd)/tmp/${PROFILE}"

# name and place of the tarball
TOOLCHAIN_TARBALL="$(pwd)/magellan-toolchain-${PROFILE}.tar.bz2"

echo "Compiling all packages for profile '${PROFILE}' ..."

for i in ${TOOLCHAIN_PACKAGES}
do
	# exclude commented and empty
	case ${i} in
		\#*|"") continue ;;
	esac

	PNAME_FULL="${i}"
	PNAME="${i%-*-*}"
	smage2 ${TOOLCHAIN_SMAGE_DIR}/${PNAME}/${PNAME_FULL}.smage2 || die "compile ${i}"
done
echo "All packages for profile '${PROFILE}' successfully compiled ..."

[ ! -x ./minstallpkg.sh ] && die "minstallpkg not found. Cannot build ./tools dir."
[ ! -d ${ROOT} ] && install -d ${ROOT}

echo "Installing all packages for profile '${PROFILE}' to '${ROOT}' ..."
for i in ${TOOLCHAIN_PACKAGES}
do
	# exclude commented and empty
	case ${i} in
		\#*|"") continue ;;
	esac

	# fix pgk name -> add ARCH from mage.rc
	PNAME_FULL="${i}"
	PNAME="${i%-*-*}"
	PVER="$(echo ${PNAME_FULL%-*} | sed -e s:${PNAME}-::g)"
	PNAME_PVER_ARCH="${PNAME_FULL/-${PVER}-/-${PVER}-${ARCH}-}"
	ROOT=${ROOT} ./minstallpkg.sh ${PKGDIR}/${PNAME_PVER_ARCH}.mpk || die "install ${i}"
done
echo "All packages for profile '${PROFILE}' successfully installed ..."

echo "Creating no the toolchain tarball ..."
[ ! -d $(dirname ${TOOLCHAIN_TARBALL}) ] && install -d $(dirname ${TOOLCHAIN_TARBALL})
( cd ${ROOT}; tar cvjpf ${TOOLCHAIN_TARBALL} ./ ) || die "error creating tarball"

echo
echo "All tasks done."
echo "You find your tarball at ${TOOLCHAIN_TARBALL} ..."
echo