feat(lib/os): nixos-facter module

flake.nix

@@ -6,6 +6,7 @@
     unstable.url = "github:NixOS/nixpkgs/nixos-unstable";
     master.url = "github:NixOS/nixpkgs/master";
     nixos-hardware.url = "github:NixOS/nixos-hardware";
+    nixos-facter-modules.url = "github:nix-community/nixos-facter-modules";
     nur.url = "github:nix-community/NUR";
 
     treefmt-nix = {
@@ -126,6 +127,7 @@
           system = "x86_64-linux";
           host = "thinkpad";
           user = "gael";
+          facter = true;
         }
         {
           system = "x86_64-linux";

lib/os/default.nix

@@ -1,10 +1,10 @@
 { inputs, ... }:
 
 let
-  inherit (inputs) self nixpkgs sops-nix nur home-manager udev-nix _1password-shell-plugins;
+  inherit (inputs) self nixpkgs sops-nix nur home-manager nixos-facter-modules udev-nix _1password-shell-plugins;
 in
 rec {
-  mkNixosSystem = { system, host, user, iso ? false, ... }: nixpkgs.lib.nixosSystem {
+  mkNixosSystem = { system, host, user, iso ? false, facter ? false, ... }: nixpkgs.lib.nixosSystem {
     inherit system;
 
     specialArgs = {
@@ -46,6 +46,7 @@ rec {
         ]
         );
       })
+      nixos-facter-modules.nixosModules.facter
 
       ../../hosts/${host}/configuration.nix
       ../../users/${user}/configuration.nix
@@ -66,6 +67,8 @@ rec {
         sops = {
           defaultSopsFile = ../../secrets/default.yaml;
         };
+      }) // (nixpkgs.lib.optionalAttrs facter {
+        facter.reportPath = ../../hosts/${host}/facter.json;
       }))
     ] ++ (nixpkgs.lib.optionals (!iso) [
       ../../mixins/nix

mixins/default.nix

@@ -87,6 +87,7 @@
     pre-commit
     commitizen
     gnumake
+    unstable.nixos-facter
   ];
 
   users.defaultUserShell = pkgs.bash;