Installing used to mean six manual steps through Calamares, one of which
copied hardware-configuration.nix into the repo — a step that fails
silently unless the file is also git added, since Nix only sees tracked
files. It also did not scale past one machine.
modules/disk.nix defines moonarch.disk.{enable,device,encrypt,espSize,
swapSize} and builds disko.devices from it, so another machine is a
device path rather than a new layout. Installing is a single
disko-install run from the ISO.
hardware-configuration.nix is no longer needed: nvme, ahci, sd_mod and
the USB HID modules are in the initrd via
boot.initrd.includeDefaultModules, and nixpkgs.hostPlatform comes from
nixosSystem. The testvm copy described a qcow2 that no longer exists and
is deleted; that host now uses the module against /dev/vda.
The user password no longer arrives with the installer, so it is set
once via nixos-enter after installing instead of committing a hash.
nevaforget
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