flake: create generator for aarch64 sdcard image

flake.lock

@@ -351,6 +351,42 @@
         "type": "github"
       }
     },
+    "nixlib": {
+      "locked": {
+        "lastModified": 1636849918,
+        "narHash": "sha256-nzUK6dPcTmNVrgTAC1EOybSMsrcx+QrVPyqRdyKLkjA=",
+        "owner": "nix-community",
+        "repo": "nixpkgs.lib",
+        "rev": "28a5b0557f14124608db68d3ee1f77e9329e9dd5",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "nixpkgs.lib",
+        "type": "github"
+      }
+    },
+    "nixos-generators": {
+      "inputs": {
+        "nixlib": "nixlib",
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1657748715,
+        "narHash": "sha256-WecDwDY/hEcDQYzFnccCNa+5Umht0lfjx/d1qGDy/rQ=",
+        "owner": "nix-community",
+        "repo": "nixos-generators",
+        "rev": "3323b944d99b026aebfd8de439e001409dde067d",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "nixos-generators",
+        "type": "github"
+      }
+    },
     "nixos-hardware": {
       "locked": {
         "lastModified": 1654057797,
@@ -610,6 +646,7 @@
         "multitask": "multitask",
         "neovim-nightly": "neovim-nightly",
         "nix-gaming": "nix-gaming",
+        "nixos-generators": "nixos-generators",
         "nixos-hardware": "nixos-hardware",
         "nixpkgs": "nixpkgs_2",
         "nixpkgs-porcupine": "nixpkgs-porcupine",

flake.nix

@@ -7,11 +7,13 @@
     neovim-nightly.url = "github:nix-community/neovim-nightly-overlay";
     nixos-hardware.url = "github:NixOS/nixos-hardware";
     agenix.url = "github:ryantm/agenix";
+    nixos-generators.url = "github:nix-community/nixos-generators";
 
     agenix.inputs.nixpkgs.follows = "nixpkgs";
     home-manager.inputs.nixpkgs.follows = "nixpkgs";
     home-manager-porcupine.inputs.nixpkgs.follows = "nixpkgs-porcupine";
     neovim-nightly.inputs.nixpkgs.follows = "nixpkgs";
+    nixos-generators.inputs.nixpkgs.follows = "nixpkgs";
 
     nix-gaming.url = "github:fufexan/nix-gaming";
     powercord-overlay.url = "github:LavaDesu/powercord-overlay";
@@ -61,7 +63,7 @@
     zelk = { url = "github:schnensch0/zelk"; flake = false; };
   };
 
-  outputs = { self, agenix, nixpkgs, nixpkgs-porcupine, ... } @ inputs:
+  outputs = { self, agenix, nixos-generators, nixpkgs, nixpkgs-porcupine, ... } @ inputs:
     let
       overlays = (import ./overlays)
         ++ [inputs.powercord-overlay.overlay]
@@ -110,6 +112,19 @@
         in
         {
           inherit (pkgs) nixUnstable;
+
+          caramel-iso = nixos-generators.nixosGenerate {
+            inherit pkgs;
+            format = "sd-aarch64";
+            modules = [
+              agenix.nixosModules.age
+              ./hosts/caramel
+            ];
+            specialArgs = {
+              inherit inputs;
+              modules = import ./modules { lib = nixpkgs-porcupine.lib; };
+            };
+          };
         };
 
       # TODO: currently broken