rm -f -- .need_shutdown
elif $SKIP "$IMG" | lz4 -d -c | cpio -id --no-absolute-filenames --quiet >/dev/null; then
rm -f -- .need_shutdown
+elif $SKIP "$IMG" | zstd -d -c | cpio -id --no-absolute-filenames --quiet >/dev/null; then
+ rm -f -- .need_shutdown
else
# something failed, so we clean up
echo "Unpacking of $IMG to /run/initramfs failed" >&2