schmittlauch/nixconfigs
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expose all flake inputs to NixOS system path and registry

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This commit is contained in:
Trolli Schmittlauch 2023-04-13 19:57:56 +02:00
parent d493ea127a
commit 62364a9db5
2 changed files with 21 additions and 11 deletions
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5
flake.nix
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@ -3,13 +3,16 @@
inputs = {
nixpkgs.url = "github:NixOS/nixpkgs/nixos-22.11";
nixos-unstable.url = "github:NixOS/nixpkgs/nixos-unstable";
};
outputs = { self, nixpkgs }: {
outputs = { self, nixpkgs, ... }@inputs: {
nixosConfigurations.thinknix = nixpkgs.lib.nixosSystem {
system = "x86_64-linux";
modules = [ ./nixos/configuration.nix ];
# necessary to make the top-level inputs available to system configuration
specialArgs = { inherit inputs; };
};
};
}

27
nixos/configuration.nix
View file

@ -2,10 +2,10 @@
# your system. Help is available in the configuration.nix(5) man page
# and in the NixOS manual (accessible by running ‘nixos-help’).
{ config, pkgs, ... }:
{ config, pkgs, lib, inputs, ... }:
let
unstable = import <nixos-unstable> { };
unstable = inputs.nixos-unstable;
localfork = import /home/spiollinux/src/nixpkgs { };
in
@ -234,15 +234,22 @@ in
# Enable all sysrq functions (useful to recover from some issues):
boot.kernel.sysctl."kernel.sysrq" = 1; # NixOS default: 16 (only the sync command)
nix = {
# expose all flake inputs through nix Path and registry
registry = (lib.mapAttrs (_: value: { flake = value; }) inputs) // {
nixpkgs.flake = inputs.nixpkgs;
};
nixPath = lib.mapAttrsToList (key: value: "${key}=${value.to.path}") config.nix.registry;
# keep build-time deps around for offline-rebuilding
nix.settings = {
# keep around all inputs necessary for offline-rebuilding the system
keep-outputs = true;
keep-derivations = true;
trusted-users = [ "spiollinux" ];
experimental-features = [ "nix-command" "flakes" ];
# use all cores for building
cores = 0;
settings = {
# keep around all inputs necessary for offline-rebuilding the system
keep-outputs = true;
keep-derivations = true;
trusted-users = [ "spiollinux" ];
experimental-features = [ "nix-command" "flakes" ];
# use all cores for building
cores = 0;
};
};
# override tmpdir for daemon
#systemd.services.nix-daemon.environment.TMPDIR = "/var/tmp";