update flake.nix

flake.lock

@@ -2,9 +2,7 @@
   "nodes": {
     "fenix": {
       "inputs": {
-        "nixpkgs": [
+        "nixpkgs": "nixpkgs",
-          "nixpkgs"
-        ],
         "rust-analyzer-src": "rust-analyzer-src"
       },
       "locked": {
@@ -21,18 +19,82 @@
         "type": "github"
       }
     },
+    "flake-utils": {
+      "inputs": {
+        "systems": "systems"
+      },
+      "locked": {
+        "lastModified": 1710146030,
+        "narHash": "sha256-SZ5L6eA7HJ/nmkzGG7/ISclqe6oZdOZTNoesiInkXPQ=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "b1d9ab70662946ef0850d488da1c9019f3a9752a",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "naersk": {
+      "inputs": {
+        "nixpkgs": "nixpkgs_2"
+      },
+      "locked": {
+        "lastModified": 1698420672,
+        "narHash": "sha256-/TdeHMPRjjdJub7p7+w55vyABrsJlt5QkznPYy55vKA=",
+        "owner": "nix-community",
+        "repo": "naersk",
+        "rev": "aeb58d5e8faead8980a807c840232697982d47b9",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "naersk",
+        "type": "github"
+      }
+    },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1711001935,
+        "lastModified": 1712963716,
-        "narHash": "sha256-URtGpHue7HHZK0mrHnSf8wJ6OmMKYSsoLmJybrOLFSQ=",
+        "narHash": "sha256-WKm9CvgCldeIVvRz87iOMi8CFVB1apJlkUT4GGvA0iM=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "cfd6b5fc90b15709b780a5a1619695a88505a176",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "nixpkgs_2": {
+      "locked": {
+        "lastModified": 0,
+        "narHash": "sha256-vMZ5603yU0wxgyQeHJryOI+O61yrX2AHwY6LOFyV1gM=",
+        "path": "/nix/store/450afzqlzzgw6wnyc3dwysf3i5yxyqkr-source",
+        "type": "path"
+      },
+      "original": {
+        "id": "nixpkgs",
+        "type": "indirect"
+      }
+    },
+    "nixpkgs_3": {
+      "locked": {
+        "lastModified": 1713128889,
+        "narHash": "sha256-aB90ZqzosyRDpBh+rILIcyP5lao8SKz8Sr2PSWvZrzk=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "20f77aa09916374aa3141cbc605c955626762c9a",
+        "rev": "2748d22b45a99fb2deafa5f11c7531c212b2cefa",
         "type": "github"
       },
       "original": {
         "owner": "NixOS",
-        "ref": "nixos-unstable",
+        "ref": "nixpkgs-unstable",
         "repo": "nixpkgs",
         "type": "github"
       }
@@ -40,8 +102,9 @@
     "root": {
       "inputs": {
         "fenix": "fenix",
-        "nixpkgs": "nixpkgs",
+        "flake-utils": "flake-utils",
-        "utils": "utils"
+        "naersk": "naersk",
+        "nixpkgs": "nixpkgs_3"
       }
     },
     "rust-analyzer-src": {
@@ -75,24 +138,6 @@
         "repo": "default",
         "type": "github"
       }
-    },
-    "utils": {
-      "inputs": {
-        "systems": "systems"
-      },
-      "locked": {
-        "lastModified": 1710146030,
-        "narHash": "sha256-SZ5L6eA7HJ/nmkzGG7/ISclqe6oZdOZTNoesiInkXPQ=",
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "rev": "b1d9ab70662946ef0850d488da1c9019f3a9752a",
-        "type": "github"
-      },
-      "original": {
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "type": "github"
-      }
     }
   },
   "root": "root",

flake.nix

@@ -1,41 +1,39 @@
 {
-  description = "bevy xr flake";
   inputs = {
-    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+    fenix.url = "github:nix-community/fenix";
-    # eachDefaultSystem and other utility functions
+    flake-utils.url = "github:numtide/flake-utils";
-    utils.url = "github:numtide/flake-utils";
+    naersk.url = "github:nix-community/naersk";
-    # Replacement for rustup
+    nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
-    fenix = {
-      url = "github:nix-community/fenix";
-      inputs.nixpkgs.follows = "nixpkgs";
-    };
   };
 
   outputs = {
     self,
-    nixpkgs,
-    utils,
     fenix,
+    flake-utils,
+    naersk,
+    nixpkgs,
   }:
-  # This helper function abstracts over the host platform.
+    flake-utils.lib.eachDefaultSystem (
-  # See https://github.com/numtide/flake-utils#eachdefaultsystem--system---attrs
-    utils.lib.eachDefaultSystem (
       system: let
         pkgs = nixpkgs.legacyPackages.${system};
-        # Brings in the rust toolchain from the standard file
+        rustToolchain = with fenix.packages.${system};
-        # that rustup/cargo uses.
+          combine [
-        rustToolchain = fenix.packages.${system}.fromToolchainFile {
+            (stable.withComponents [
-          file = ./rust-toolchain.toml;
+              "rustc"
-          sha256 = "sha256-+syqAd2kX8KVa8/U2gz3blIQTTsYYt3U63xBWaGOSc8=";
+              "cargo"
-        };
+              "rustfmt"
+              "clippy"
+              "rust-src"
+            ])
+
+            targets.wasm32-unknown-unknown.stable.rust-std
+          ];
         rustPlatform = pkgs.makeRustPlatform {
           inherit (rustToolchain) cargo rustc;
         };
-      in
+      in {
-        # See https://nixos.wiki/wiki/Flakes#Output_schema
-        {
-          # `nix develop` pulls all of this in to become your shell.
         devShells.default = pkgs.mkShell rec {
+          # build dependencies
           nativeBuildInputs = with pkgs; [
             rustToolchain
             pkg-config
@@ -44,11 +42,12 @@
             cargo-deny
             cargo-expand
             cargo-binutils
+
             # cmake for openxr
             cmake
           ];
 
-            # see https://github.com/NixOS/nixpkgs/blob/95b81c96f863ca8911dffcda45d1937efcd66a4b/pkgs/games/jumpy/default.nix#L60C5-L60C38
+          # runtime dependencies
           buildInputs =
             [
               pkgs.zstd

rust-toolchain.toml

@@ -1,4 +0,0 @@
-[toolchain]
-channel = "1.77.0"
-components = ["rust-src", "rust-analyzer"]
-profile = "default"