add image generation

Signed-off-by: ahuston-0 <aliceghuston@gmail.com>

flake.lock

@@ -267,6 +267,42 @@
         "type": "github"
       }
     },
+    "nixlib": {
+      "locked": {
+        "lastModified": 1712450863,
+        "narHash": "sha256-K6IkdtMtq9xktmYPj0uaYc8NsIqHuaAoRBaMgu9Fvrw=",
+        "owner": "nix-community",
+        "repo": "nixpkgs.lib",
+        "rev": "3c62b6a12571c9a7f65ab037173ee153d539905f",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "nixpkgs.lib",
+        "type": "github"
+      }
+    },
+    "nixos-generators": {
+      "inputs": {
+        "nixlib": "nixlib",
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1716210724,
+        "narHash": "sha256-iqQa3omRcHGpWb1ds75jS9ruA5R39FTmAkeR3J+ve1w=",
+        "owner": "nix-community",
+        "repo": "nixos-generators",
+        "rev": "d14b286322c7f4f897ca4b1726ce38cb68596c94",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "nixos-generators",
+        "type": "github"
+      }
+    },
     "nixos-hardware": {
       "locked": {
         "lastModified": 1717248095,
@@ -403,6 +439,7 @@
         "hyprland-contrib": "hyprland-contrib",
         "nix": "nix",
         "nix-index-database": "nix-index-database",
+        "nixos-generators": "nixos-generators",
         "nixos-hardware": "nixos-hardware",
         "nixos-modules": "nixos-modules",
         "nixpkgs": "nixpkgs",

flake.nix

@@ -74,6 +74,10 @@
       url = "github:Mic92/nix-index-database";
       inputs.nixpkgs.follows = "nixpkgs";
     };
+    nixos-generators = {
+      url = "github:nix-community/nixos-generators";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
 
     nixos-modules = {
       url = "github:SuperSandro2000/nixos-modules";

hydra/jobs.nix

@@ -3,8 +3,15 @@ let
   inherit (inputs.nixpkgs.lib) mapAttrs;
 
   getCfg = _: cfg: cfg.config.system.build.toplevel;
+  getFormat =
+    _: cfg: format:
+    cfg.config.formats.${format};
+  imageWrapper = format: mapAttrs getFormat outputs.nixosConfigurations format;
 in
 {
   inherit (outputs) formatter devShells;
   hosts = mapAttrs getCfg outputs.nixosConfigurations;
+  install-isos = imageWrapper "install-iso";
+  isos = imageWrapper "iso";
+  qcow = imageWrapper "qcow";
 }

modules/generators.nix

@@ -0,0 +1,11 @@
+{
+  config,
+  lib,
+  pkgs,
+  inputs,
+  ...
+}:
+
+{
+  imports = [ inputs.nixos-generators.nixosModules.all-formats ];
+}