ark/lib/devos/devosSystem.nix

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{ lib, nixos, self, inputs, ... }:
{ modules, ... } @ args:
lib.nixosSystem (args // {
modules =
let
moduleList = builtins.attrValues modules;
modpath = "nixos/modules";
fullHostConfig = (lib.nixosSystem (args // { modules = moduleList; })).config;
isoConfig = (lib.nixosSystem
(args // {
modules = moduleList ++ [
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"${nixos}/${modpath}/installer/cd-dvd/installation-cd-minimal-new-kernel.nix"
({ config, suites, ... }: {
# avoid unwanted systemd service startups
disabledModules = lib.remove modules.core suites.allProfiles;
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nix.registry = lib.mapAttrs (n: v: { flake = v; }) inputs;
isoImage.isoBaseName = "nixos-" + config.networking.hostName;
isoImage.contents = [{
source = self;
target = "/devos/";
}];
isoImage.storeContents = [
self.devShell.${config.nixpkgs.system}
# include also closures that are "switched off" by the
# above profile filter on the local config attribute
fullHostConfig.system.build.toplevel
];
# still pull in tools of deactivated profiles
environment.systemPackages = fullHostConfig.environment.systemPackages;
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# confilcts with networking.wireless which might be slightly
# more useful on a stick
networking.networkmanager.enable = lib.mkForce false;
# confilcts with networking.wireless
networking.wireless.iwd.enable = lib.mkForce false;
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# Set up a link-local boostrap network
# See also: https://github.com/NixOS/nixpkgs/issues/75515#issuecomment-571661659
networking.usePredictableInterfaceNames = lib.mkForce true; # so prefix matching works
networking.useNetworkd = lib.mkForce true;
networking.useDHCP = lib.mkForce false;
networking.dhcpcd.enable = lib.mkForce false;
systemd.network = {
# https://www.freedesktop.org/software/systemd/man/systemd.network.html
networks."boostrap-link-local" = {
matchConfig = {
Name = "en* wl* ww*";
};
networkConfig = {
Description = "Link-local host bootstrap network";
MulticastDNS = true;
LinkLocalAddressing = "ipv6";
DHCP = "yes";
};
address = [
# fall back well-known link-local for situations where MulticastDNS is not available
"fe80::47" # 47: n=14 i=9 x=24; n+i+x
];
extraConfig = ''
# Unique, yet stable. Based off the MAC address.
IPv6LinkLocalAddressGenerationMode = "eui64"
'';
};
};
})
];
})).config;
in
moduleList ++ [{
system.build = {
iso = isoConfig.system.build.isoImage;
};
}];
})