add flake for nixos-remote

flake.lock

@@ -23,16 +23,18 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1670525689,
-        "narHash": "sha256-YIjGzxrRQa5LYO0zlnH/ardcwXsRgsnHe3TkGkvCxbc=",
-        "owner": "NixOS",
+        "lastModified": 1670559856,
+        "narHash": "sha256-xUkgQRFqE6HIFQXs9SIXMZiXcLaH2415UR6w/FnsgcY=",
+        "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "f21f11aa2a02cb78651c6d57546c7d7541f9240c",
+        "rev": "6bc6f77cb171a74001033d94f17f49043a9f1804",
         "type": "github"
       },
       "original": {
-        "id": "nixpkgs",
-        "type": "indirect"
+        "owner": "nixos",
+        "ref": "nixpkgs-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
       }
     },
     "root": {

flake.nix

@@ -1,11 +1,24 @@
 {
   description = "A universal nixos installer, just needs ssh access to the target system";
 
-  inputs.nixpkgs.url = "nixpkgs";
+  inputs.nixpkgs.url = "github:nixos/nixpkgs/nixpkgs-unstable";
   inputs.disko.url = "github:nix-community/disko/master";
   inputs.disko.inputs.nixpkgs.follows = "nixpkgs";
 
-  outputs = { self, nixpkgs, disko, ... }: {
+  outputs = { self, disko, nixpkgs, ... }: let
+    supportedSystems = [
+      "x86_64-linux"
+      "i686-linux"
+      "aarch64-linux"
+    ];
+    forAllSystems = nixpkgs.lib.genAttrs supportedSystems;
+  in {
+    packages = forAllSystems (system: let
+      pkgs = nixpkgs.legacyPackages.${system};
+    in {
+      nixos-remote = pkgs.callPackage ./package.nix {};
+      default = self.packages.${system}.nixos-remote;
+    });
     checks.x86_64-linux = let
       pkgs = nixpkgs.legacyPackages.x86_64-linux;
     in {

package.nix

@@ -0,0 +1,8 @@
+{ stdenvNoCC }:
+stdenvNoCC.mkDerivation {
+  name = "nixos-remote";
+  src = ./.;
+  installPhase = ''
+    install -D -m755 nixos-remote $out/bin/nixos-remote
+  '';
+}