fetch_debian() {
	local \
		archive=$2.debian.tar.xz \
		blake=$1 \
		wlog="${T}/wget.log" \
		ret=1

	pushd "${S}" >/dev/null || die
		if [[ -s ${EROOT}/tmp/${archive} ]]; then
			einfo "Found ${color_bold}${archive}${color_norm}"
			ebegin "Checking BLAKE2 checksum"
				b2sum --status -c <(echo "${blake}  ${EROOT}/tmp/${archive}")
				ret=$?
			eend ${ret}
		fi
		if [[ ${ret} -ne 0 ]]; then
			ebegin "Downloading ${color_bold}${archive}${color_norm}"
				wget "https://launchpad.net/ubuntu/+archive/primary/+files/${archive}" -O "${archive}" -o ${wlog}
			eend $?
			grep -iqs "failed\|error" ${wlog} && cat ${wlog} >> ${log}
			[[ -s ${archive} ]] || die "ehooks: archive not fetched"
			ebegin "Checking BLAKE2 checksum"
				b2sum --status -c <(echo "${blake}  ${archive}") || die "ehooks: archive checksum did not match"
			eend $?
		else
			cp ${EROOT}/tmp/${archive} ${S} || die
		fi
		unpack "${S}/${archive}"
	popd >/dev/null || die
}