fix: nix flake

.github/workflows/nix.yml

@@ -29,10 +29,10 @@ jobs:
           submodules: recursive
 
       - name: Install Nix
-        uses: DeterminateSystems/nix-installer-action@v16
+        uses: DeterminateSystems/nix-installer-action@v22
 
       - name: Magic Nix Cache
-        uses: DeterminateSystems/magic-nix-cache-action@v9
+        uses: DeterminateSystems/magic-nix-cache-action@v14
 
       - name: Check flake formatting and evaluation
         run: nix flake check

flake.lock

@@ -1,27 +1,5 @@
 {
   "nodes": {
-    "fenix": {
-      "inputs": {
-        "nixpkgs": [
-          "naersk",
-          "nixpkgs"
-        ],
-        "rust-analyzer-src": "rust-analyzer-src"
-      },
-      "locked": {
-        "lastModified": 1752475459,
-        "narHash": "sha256-z6QEu4ZFuHiqdOPbYss4/Q8B0BFhacR8ts6jO/F/aOU=",
-        "owner": "nix-community",
-        "repo": "fenix",
-        "rev": "bf0d6f70f4c9a9cf8845f992105652173f4b617f",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nix-community",
-        "repo": "fenix",
-        "type": "github"
-      }
-    },
     "flake-compat": {
       "flake": false,
       "locked": {
@@ -56,27 +34,6 @@
         "type": "github"
       }
     },
-    "naersk": {
-      "inputs": {
-        "fenix": "fenix",
-        "nixpkgs": [
-          "nixpkgs"
-        ]
-      },
-      "locked": {
-        "lastModified": 1780932914,
-        "narHash": "sha256-3TJ7skmzAeBRkOihfHSWye7Fkuc1gP01dwa/EX1EA/E=",
-        "owner": "nix-community",
-        "repo": "naersk",
-        "rev": "10d02d63fa3f296786d27f3a35a9926ee3fa6df0",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nix-community",
-        "repo": "naersk",
-        "type": "github"
-      }
-    },
     "nixpkgs": {
       "locked": {
         "lastModified": 1780749050,
@@ -112,26 +69,8 @@
       "inputs": {
         "flake-compat": "flake-compat",
         "flake-parts": "flake-parts",
-        "naersk": "naersk",
         "nixpkgs": "nixpkgs"
       }
-    },
-    "rust-analyzer-src": {
-      "flake": false,
-      "locked": {
-        "lastModified": 1752428706,
-        "narHash": "sha256-EJcdxw3aXfP8Ex1Nm3s0awyH9egQvB2Gu+QEnJn2Sfg=",
-        "owner": "rust-lang",
-        "repo": "rust-analyzer",
-        "rev": "591e3b7624be97e4443ea7b5542c191311aa141d",
-        "type": "github"
-      },
-      "original": {
-        "owner": "rust-lang",
-        "ref": "nightly",
-        "repo": "rust-analyzer",
-        "type": "github"
-      }
     }
   },
   "root": "root",

flake.nix

@@ -9,18 +9,12 @@
       flake = false;
     };
 
-    naersk = {
-      url = "github:nix-community/naersk";
-      inputs.nixpkgs.follows = "nixpkgs";
-    };
-
     self.submodules = true;
   };
 
   outputs =
     inputs@{
       flake-parts,
-      naersk,
       nixpkgs,
       ...
     }:
@@ -34,22 +28,34 @@
           ...
         }:
         let
-          naersk' = pkgs.callPackage naersk { };
-
           manifest = (lib.importTOML ./crates/pumpkin/Cargo.toml).package;
           workspace-manifest = (lib.importTOML ./Cargo.toml).workspace.package;
         in
         {
-          packages.default = naersk'.buildPackage {
+          packages.default = pkgs.rustPlatform.buildRustPackage {
             pname = manifest.name;
             inherit (workspace-manifest) version;
 
-            nativeBuildInputs = [ pkgs.rustfmt ];
+            src = lib.cleanSource ./.;
 
-            src = lib.fileset.toSource {
-              root = ./.;
-              fileset = lib.fileset.gitTracked ./.;
+            cargoLock = {
+              lockFile = ./Cargo.lock;
             };
+
+            nativeBuildInputs = [
+              pkgs.rustfmt
+              pkgs.pkg-config
+            ];
+
+            cargoBuildFlags = [
+              "--package"
+              "pumpkin"
+            ];
+
+            CARGO_PROFILE_RELEASE_LTO = "thin";
+            CARGO_PROFILE_RELEASE_CODEGEN_UNITS = "16";
+
+            doCheck = false;
           };
 
           devShells.default = pkgs.mkShell {
@@ -59,6 +65,7 @@
               rust-analyzer
               rustc
               rustfmt
+              pkg-config
             ];
           };