setup rust toolchain

flake.lock

@@ -0,0 +1,65 @@
+{
+  "nodes": {
+    "fenix": {
+      "inputs": {
+        "nixpkgs": [
+          "nixpkgs"
+        ],
+        "rust-analyzer-src": "rust-analyzer-src"
+      },
+      "locked": {
+        "lastModified": 1712211755,
+        "narHash": "sha256-KIJA4OvXFDXEeu7wstFDCxqZEfjaPQIowpzNww48TUw=",
+        "owner": "nix-community",
+        "repo": "fenix",
+        "rev": "39763c6e23a8423af316b85a74bad0cc5bc88d86",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "fenix",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1712163089,
+        "narHash": "sha256-Um+8kTIrC19vD4/lUCN9/cU9kcOsD1O1m+axJqQPyMM=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "fd281bd6b7d3e32ddfa399853946f782553163b5",
+        "type": "github"
+      },
+      "original": {
+        "id": "nixpkgs",
+        "ref": "nixos-unstable",
+        "type": "indirect"
+      }
+    },
+    "root": {
+      "inputs": {
+        "fenix": "fenix",
+        "nixpkgs": "nixpkgs"
+      }
+    },
+    "rust-analyzer-src": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1712156296,
+        "narHash": "sha256-St7ZQrkrr5lmQX9wC1ZJAFxL8W7alswnyZk9d1se3Us=",
+        "owner": "rust-lang",
+        "repo": "rust-analyzer",
+        "rev": "8e581ac348e223488622f4d3003cb2bd412bf27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "rust-lang",
+        "ref": "nightly",
+        "repo": "rust-analyzer",
+        "type": "github"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

flake.nix

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+{
+  description = "Doggo flake";
+  
+  inputs = {
+    fenix = {
+      url = "github:nix-community/fenix";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
+    nixpkgs.url = "nixpkgs/nixos-unstable";
+  };
+
+  outputs = { self, fenix, nixpkgs }:
+  let
+    pkgs = nixpkgs.legacyPackages.x86_64-linux;
+  in {
+    devShell.x86_64-linux = with pkgs;
+      mkShell {
+        nativeBuildInputs = [
+          just
+          (fenix.packages.x86_64-linux.fromToolchainFile {
+            dir = ./.;
+            sha256 = "sha256-3St/9/UKo/6lz2Kfq2VmlzHyufduALpiIKaaKX4Pq0g=";
+          })
+        ];
+
+        buildInputs = [
+        ];
+      };
+
+    formatter.x86_64-linux = nixpkgs.legacyPackages.x86_64-linux.nixfmt;
+  };
+}

rust-toolchain.toml

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+[toolchain]
+channel = "stable"
+profile = "default"