Bugfix - don't die in case of Mirror sync in progress?

lib/distributions.sh

@@ -212,8 +212,7 @@ install_common()
 	EOF
 
 	display_alert "Updating" "package lists"
-	chroot "${SDCARD}" /bin/bash -c "apt-get update &>/dev/null"
-	[[ $? -ne 0 ]] && exit_with_error "Updating packages failed"
+	chroot "${SDCARD}" /bin/bash -c "apt-get update" "${DEST}"/debug/install.log 2>&1
 
 	# install family packages
 	if [[ -n ${PACKAGE_LIST_FAMILY} ]]; then