119 lines
3.7 KiB
Nix
119 lines
3.7 KiB
Nix
{ lib }:
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{
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hmDefaults = { suites, modules }:
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{ options, ... }: {
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config = lib.optionalAttrs (options ? home-manager) {
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home-manager = {
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useGlobalPkgs = true;
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useUserPackages = true;
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extraSpecialArgs = { inherit suites; };
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sharedModules = modules;
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};
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};
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};
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globalDefaults = { self, inputs }:
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let
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experimentalFeatures = [
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"flakes"
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"nix-command"
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"ca-references"
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"ca-derivations"
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];
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in
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{ channel, config, pkgs, ... }: {
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users.mutableUsers = lib.mkDefault false;
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hardware.enableRedistributableFirmware = lib.mkDefault true;
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nix.nixPath = [
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"nixpkgs=${channel.input}"
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"nixos-config=${self}/lib/compat/nixos"
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"home-manager=${inputs.home}"
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];
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nix.registry = {
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devos.flake = self;
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nixos.flake = channel.input;
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};
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nix.extraOptions = ''
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experimental-features = ${lib.concatStringsSep " "
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experimentalFeatures
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}
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'';
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_module.args = {
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inherit self;
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devlib = pkgs.devlib;
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hosts = builtins.mapAttrs (_: host: host.config)
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(removeAttrs self.nixosConfigurations [ config.networking.hostName ]);
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};
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system.configurationRevision = lib.mkIf (self ? rev) self.rev;
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};
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isoConfig = { self, inputs, fullHostConfig }:
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{ config, modulesPath, suites, ... }: {
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imports = [ "${modulesPath}/installer/cd-dvd/installation-cd-minimal-new-kernel.nix" ];
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# avoid unwanted systemd service startups
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# all strings in disabledModules get appended to modulesPath
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# so convert each to list which can be coerced to string
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disabledModules = map lib.singleton suites.allProfiles;
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nix.registry = lib.mapAttrs (n: v: { flake = v; }) inputs;
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isoImage.isoBaseName = "nixos-" + config.networking.hostName;
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isoImage.contents = [{
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source = self;
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target = "/devos/";
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}];
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isoImage.storeContents = [
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self.devShell.${config.nixpkgs.system}
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# include also closures that are "switched off" by the
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# above profile filter on the local config attribute
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fullHostConfig.system.build.toplevel
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];
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# still pull in tools of deactivated profiles
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environment.systemPackages = fullHostConfig.environment.systemPackages;
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# confilcts with networking.wireless which might be slightly
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# more useful on a stick
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networking.networkmanager.enable = lib.mkForce false;
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# confilcts with networking.wireless
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networking.wireless.iwd.enable = lib.mkForce false;
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# Set up a link-local boostrap network
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# See also: https://github.com/NixOS/nixpkgs/issues/75515#issuecomment-571661659
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networking.usePredictableInterfaceNames = lib.mkForce true; # so prefix matching works
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networking.useNetworkd = lib.mkForce true;
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networking.useDHCP = lib.mkForce false;
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networking.dhcpcd.enable = lib.mkForce false;
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systemd.network = {
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# https://www.freedesktop.org/software/systemd/man/systemd.network.html
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networks."boostrap-link-local" = {
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matchConfig = {
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Name = "en* wl* ww*";
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};
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networkConfig = {
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Description = "Link-local host bootstrap network";
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MulticastDNS = true;
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LinkLocalAddressing = "ipv6";
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DHCP = "yes";
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};
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address = [
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# fall back well-known link-local for situations where MulticastDNS is not available
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"fe80::47" # 47: n=14 i=9 x=24; n+i+x
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];
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extraConfig = ''
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# Unique, yet stable. Based off the MAC address.
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IPv6LinkLocalAddressGenerationMode = "eui64"
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'';
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};
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};
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};
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}
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