Some code to build an image that can be booted in qemu. The ESP for it contains systemd-boot and a UKI with the current system's kernel and a minimal busybox initrd.
$ make
$ qemu-kvm -m 1024 -bios /usr/share/qemu/ovmf-x86_64.bin -hda img
Can also "chroot" into the just build initrd
$ ./bwrap-chroot d
