#
# . ./build.vars and set -o errexit are assumed.
#

if [ ${ARG_TARBALL:-0} -eq 0 ]; then
	log_msg "Skipping distribution tarball creation.";
	exit 0;
else
	log_msg info "Building distribution tarballs...";
	update_build_status build_finish tarball_start;
	cd ${PREFIX};
	if [ "${TARBALL_SUFFIX}" = "bz2" ]; then
		if [ -n "$(which pbzip2 2>/dev/null)" ]; then
			TARBALL_COMPRESS_CMD="pbzip2";
		else
			TARBALL_COMPRESS_CMD="bzip2";
		fi;
	elif [ "${TARBALL_SUFFIX}" = "gz" ]; then
		if [ -n "$(which pigz 2>/dev/null)" ]; then
			TARBALL_COMPRESS_CMD="pigz";
		else
			TARBALL_COMPRESS_CMD="gzip";
		fi;
	elif [ "${TARBALL_SUFFIX}" = "xz" ]; then
		TARBALL_COMPRESS_CMD="xz";
		TARBALL_COMPRESS_ARGS="-T0";
	else
		log_msg failexit "Unknown tarball suffix \`.${TARBALL_SUFFIX}'.";
	fi;
	TARBALL_FNAME=${TARBALL_FNAME_PREFIX}${BUILD_USER}@${BUILD_HNAME}-${BUILD_DATE_START}.tar.${TARBALL_SUFFIX};	
	TARBALL_SRC_FNAME=${TARBALL_SRC_FNAME_PREFIX}${BUILD_USER}@${BUILD_HNAME}-${BUILD_DATE_START}.tar.${TARBALL_SUFFIX};
fi;


PREFIX_BASENAME=${PREFIX_NATIVE##*/};
rm_if_exists -m ${PREFIX_BASENAME}/lib.bak;
tar -C ${PREFIX_BASENAME}/lib -cpf - . | tar -C ${PREFIX_BASENAME}/lib.bak -xpf -;
log_msg info "Backed up ${PREFIX_BASENAME}/lib.";
find native/lib -maxdepth 1 -type l						\
	-exec sh -c '[ -f "${DEST:=native/lib/$(readlink -- "${0}")}" ] &&	\
		rm -f -- "${0}" && ln -f -- "${DEST}" "${0}"' {} \;;
log_msg info "Converted symbolic links in ${PREFIX_BASENAME}/lib to hard links.";

tar -cpf - $(find_with_no_paths "${TARBALL_EXCLUDE_PATHS} native/lib.bak" .	\
		-mindepth 1 -maxdepth 2 -type d -not -path ./native)		\
	"Create \`Midipix mintty shell' shortcut.vbs" midipix.sh README		|\
${TARBALL_COMPRESS_CMD} ${TARBALL_COMPRESS_ARGS} -c > ${TARBALL_FNAME};
log_msg info "Finished building binary distribution tarball.";
if [ -x "$(which gpg 2>/dev/null)" -a -n "${TARBALL_SIGN_GPG_KEY}" ] &&\
			gpg --list-keys "${TARBALL_SIGN_GPG_KEY}" >/dev/null 2>&1; then
	gpg --armor --passphrase-file /dev/null					\
		--local-user "${TARBALL_SIGN_GPG_KEY}" --sign ${TARBALL_FNAME};
	log_msg info "Signed binary distribution tarball.";
fi;
rm -rf ${PREFIX_BASENAME}/lib; mv ${PREFIX_BASENAME}/lib.bak ${PREFIX_BASENAME}/lib;
log_msg info "Restored ${PREFIX_BASENAME}/lib.";


log_msg info "Building source tarball...";
tar -cpf - $(find tmp -mindepth 1 -maxdepth 2					\
	-not -path tmp/.\*							\
	-not -path tmp/\*.tar\* -not -path tmp/\*.tgz -not -path tmp/\*.txz	\
	-not -path tmp/ntctty/.git -not -path tmp/psxscl/.git)			|\
${TARBALL_COMPRESS_CMD} ${TARBALL_COMPRESS_ARGS} -c > ${TARBALL_SRC_FNAME};
log_msg info "Finished building source tarball.";
if [ -x "$(which gpg 2>/dev/null)" -a -n "${TARBALL_SRC_SIGN_GPG_KEY}" ] &&\
			gpg --list-keys "${TARBALL_SRC_SIGN_GPG_KEY}" >/dev/null 2>&1; then
	gpg --armor --passphrase-file /dev/null					\
		--local-user "${TARBALL_SRC_SIGN_GPG_KEY}" --sign ${TARBALL_SRC_FNAME};
	log_msg info "Signed source tarball.";
fi;

update_build_status tarball_finish;

# vim:filetype=sh