Nix multi-platform.

flake.lock

@@ -1,5 +1,43 @@
 {
   "nodes": {
+    "deploy-rs": {
+      "inputs": {
+        "flake-compat": "flake-compat",
+        "nixpkgs": [
+          "nixpkgs"
+        ],
+        "utils": "utils"
+      },
+      "locked": {
+        "lastModified": 1708091384,
+        "narHash": "sha256-dTGGw2y8wvfjr+J9CjQbfdulOq72hUG17HXVNxpH1yE=",
+        "owner": "serokell",
+        "repo": "deploy-rs",
+        "rev": "0a0187794ac7f7a1e62cda3dabf8dc041f868790",
+        "type": "github"
+      },
+      "original": {
+        "owner": "serokell",
+        "repo": "deploy-rs",
+        "type": "github"
+      }
+    },
+    "flake-compat": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1696426674,
+        "narHash": "sha256-kvjfFW7WAETZlt09AgDn1MrtKzP7t90Vf7vypd3OL1U=",
+        "owner": "edolstra",
+        "repo": "flake-compat",
+        "rev": "0f9255e01c2351cc7d116c072cb317785dd33b33",
+        "type": "github"
+      },
+      "original": {
+        "owner": "edolstra",
+        "repo": "flake-compat",
+        "type": "github"
+      }
+    },
     "flake-parts": {
       "inputs": {
         "nixpkgs-lib": "nixpkgs-lib"
@@ -113,6 +151,7 @@
     },
     "root": {
       "inputs": {
+        "deploy-rs": "deploy-rs",
         "home-manager": "home-manager",
         "nix-fast-build": "nix-fast-build",
         "nixpkgs": "nixpkgs",
@@ -140,6 +179,21 @@
         "type": "github"
       }
     },
+    "systems": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    },
     "treefmt-nix": {
       "inputs": {
         "nixpkgs": [
@@ -160,6 +214,24 @@
         "repo": "treefmt-nix",
         "type": "github"
       }
+    },
+    "utils": {
+      "inputs": {
+        "systems": "systems"
+      },
+      "locked": {
+        "lastModified": 1701680307,
+        "narHash": "sha256-kAuep2h5ajznlPMD9rnQyffWG8EM/C73lejGofXvdM8=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "4022d587cbbfd70fe950c1e2083a02621806a725",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
     }
   },
   "root": "root",

flake.nix

@@ -39,7 +39,24 @@
 
   # The `@` syntax here is used to alias the attribute set of the
   # inputs's parameter, making it convenient to use inside the function.
-  outputs = { self, nixpkgs, home-manager, ... }@inputs: {
+  outputs = { self, nixpkgs, home-manager, ... }@inputs: 
+  let
+    forAllSystems = nixpkgs.lib.genAttrs [
+      "aarch64-linux"
+      "x86_64-linux"
+    ];
+  in
+  {
+    pkgs = forAllSystems (localSystem: import nixpkgs {
+      inherit localSystem;
+      config = {
+        allowUnfree = true;
+        allowAliases = true;
+      };
+    });
+
+    packages = forAllSystems (import ./packages inputs);
+
     nixosConfigurations = {
       "durincore" = nixpkgs.lib.nixosSystem {
         system = "x86_64-linux";
@@ -87,5 +104,6 @@
         ];
       };
     };
+
   };
 }

packages/default.nix

@@ -0,0 +1,28 @@
+{
+  self,
+  nix-fast-build,
+  ...
+}:
+hostPlatform:
+
+let
+  inherit (self.pkgs.${hostPlatform}) callPackage lib linkFarm;
+
+  nixosDrvs = lib.mapAttrs (_: nixos: nixos.config.system.build.toplevel) self.nixosConfigurations;
+  darwinDrvs = lib.mapAttrs (_: darwin: darwin.system) self.darwinConfigurations;
+  hostDrvs = nixosDrvs // darwinDrvs;
+
+  compatHosts = lib.filterAttrs (_: host: host.hostPlatform == hostPlatform) self.hosts;
+  compatHostDrvs = lib.mapAttrs
+    (name: _: hostDrvs.${name})
+    compatHosts;
+
+  compatHostsFarm = linkFarm "hosts-${hostPlatform}" (lib.mapAttrsToList (name: path: { inherit name path; }) compatHostDrvs);
+in
+compatHostDrvs
+// (lib.optionalAttrs (compatHosts != { }) {
+  default = compatHostsFarm;
+}) // {
+  inherit (nix-fast-build.packages.${hostPlatform}) nix-fast-build;
+  inherit (self.pkgs.${hostPlatform}) cachix nix-eval-jobs;
+}