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pkgs.writeErofsLayers,profiles/ch-runner: MVE

Browse source 
$ nix-build -A examples.dummy.config.debug.closure.erofs.list | xargs
cat | xargs du -h
749M    /nix/store/bzfv5x6lycq6hzhjv6d6vlk1q8fdg9di-base0.erofs
24M     /nix/store/hp41jfq36y0mmjrzqilyh3jfsvqic3kb-nixos.erofs

$ nix run -f . examples.dummy.config.uvms.cloud-hypervisor.runner
...
<<< Welcome to NixOS 25.11pre-git (x86_64) - ttyS0 >>>

nixos login:

The definition of the `pkgs` fixpoint was moved to pkgs/default.nix.
For that, dirToAttrs was moved to lib/, imported ad hoc
This commit is contained in:
Else, Someone 2025-09-19 16:28:48 +03:00
parent 1828835a1d
commit 28d3f89ad4
12 changed files with 428 additions and 77 deletions
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18
examples/dummy.nix
View file

@ -2,21 +2,37 @@
config,
lib,
pkgs,
modulesPath,
...
}:
{
imports = [
../profiles/all.nix
(modulesPath + "/profiles/minimal.nix")
];
system.stateVersion = "25.11";
# following microvm.nix:
boot.loader.grub.enable = false;
boot.initrd.systemd.enable = true;
fileSystems."/" = lib.mkDefault {
device = "rootfs"; # how does this work? does this assign a label to the tmpfs?
fsType = "tmpfs";
options = [ "size=10%,mode=0755" ];
options = [ "size=20%,mode=0755" ];
neededForBoot = true;
};
boot.initrd.systemd.emergencyAccess = true;
boot.initrd.systemd.settings.Manager.DefaultTimeoutStartSec = 15;
systemd.settings.Manager.DefaultTimeoutStartSec = 15;
networking.useNetworkd = true;
networking.nftables.enable = true;
uvms.cloud-hypervisor.enable = true;
users.mutableUsers = false;
users.users.root.password = "hacktheplanet!";
# TODO: cmdline, kernel, initrd, fileSystems
}