* Share /bin with nix for post-build-hooks
* test the magic nix cache
* wtf
* permissions
* Share /home and the network namespace too
* test the devshell
* Don't force-set kvm to 0 ... d'oh!
* dev shell support for aarch64-linux
* ?
* More testing / debug
* Make it run anyway
* Bind /lib too so /bin/sh works ... sigh
* Disable gha-cache for tesing
* Kill the magic nix cache before reinstalling
* Don't set the extra environment variables extraniously
* Enable gha cache again
