updated flake

flake.lock

@@ -1,23 +1,5 @@
 {
   "nodes": {
-    "flake-utils": {
-      "inputs": {
-        "systems": "systems"
-      },
-      "locked": {
-        "lastModified": 1731533236,
-        "narHash": "sha256-l0KFg5HjrsfsO/JpG+r7fRrqm12kzFHyUHqHCVpMMbI=",
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "rev": "11707dc2f618dd54ca8739b309ec4fc024de578b",
-        "type": "github"
-      },
-      "original": {
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "type": "github"
-      }
-    },
     "nixpkgs": {
       "locked": {
         "lastModified": 1771848320,
@@ -34,10 +16,45 @@
         "type": "github"
       }
     },
+    "nixpkgs_2": {
+      "locked": {
+        "lastModified": 1744536153,
+        "narHash": "sha256-awS2zRgF4uTwrOKwwiJcByDzDOdo3Q1rPZbiHQg/N38=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "18dd725c29603f582cf1900e0d25f9f1063dbf11",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixpkgs-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
     "root": {
       "inputs": {
-        "flake-utils": "flake-utils",
+        "nixpkgs": "nixpkgs",
-        "nixpkgs": "nixpkgs"
+        "rust-overlay": "rust-overlay",
+        "utils": "utils"
+      }
+    },
+    "rust-overlay": {
+      "inputs": {
+        "nixpkgs": "nixpkgs_2"
+      },
+      "locked": {
+        "lastModified": 1772075164,
+        "narHash": "sha256-93XcvAt+6p7aAq1ERlxD2T17zLGoYGo64KJYasGcpgc=",
+        "owner": "oxalica",
+        "repo": "rust-overlay",
+        "rev": "07601339b15fa6810541c0e7dc2f3664d92a7ad0",
+        "type": "github"
+      },
+      "original": {
+        "owner": "oxalica",
+        "repo": "rust-overlay",
+        "type": "github"
       }
     },
     "systems": {
@@ -54,6 +71,24 @@
         "repo": "default",
         "type": "github"
       }
+    },
+    "utils": {
+      "inputs": {
+        "systems": "systems"
+      },
+      "locked": {
+        "lastModified": 1731533236,
+        "narHash": "sha256-l0KFg5HjrsfsO/JpG+r7fRrqm12kzFHyUHqHCVpMMbI=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "11707dc2f618dd54ca8739b309ec4fc024de578b",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
     }
   },
   "root": "root",

flake.nix

@@ -3,18 +3,21 @@
 
   inputs = {
     nixpkgs.url = "github:nixos/nixpkgs?ref=nixos-unstable";
-    flake-utils.url = "github:numtide/flake-utils";
+    utils.url = "github:numtide/flake-utils";
+    rust-overlay.url = "github:oxalica/rust-overlay";
   };
 
-  outputs = { self, nixpkgs, flake-utils }:
+  outputs = { self, nixpkgs, utils, rust-overlay }:
-    flake-utils.lib.eachDefaultSystem (system :
+    utils.lib.eachDefaultSystem (system :
       let
-        pkgs = import nixpkgs { inherit system; };
+        overlays = [(import rust-overlay)];
+        pkgs = import nixpkgs { inherit system overlays; };
       in {
-        devShells.default = pkgs.mkShell {
+        devShells.default = with pkgs; mkShell {
           packages = [
-            pkgs.rustup pkgs.cargo pkgs.rustc-unwrapped
+            openssl
-            pkgs.rust-analyzer-unwrapped
+            pkg-config
+            rust-bin.stable.latest.default
           ];
         };
       }