chore: init nix flake and cargo workspace

.envrc

@@ -0,0 +1,2 @@
+nix_direnv_manual_reload
+use flake

.gitignore

@@ -0,0 +1,4 @@
+/target
+/result
+/.direnv
+/.pre-commit-config.yaml

Cargo.lock

@@ -0,0 +1,7 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 3
+
+[[package]]
+name = "lyt"
+version = "0.1.0"

Cargo.toml

@@ -0,0 +1,3 @@
+[workspace]
+resolver = "2"
+members = ["lyt"]

flake.lock

@@ -0,0 +1,87 @@
+{
+  "nodes": {
+    "flake-compat": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1696426674,
+        "narHash": "sha256-kvjfFW7WAETZlt09AgDn1MrtKzP7t90Vf7vypd3OL1U=",
+        "owner": "edolstra",
+        "repo": "flake-compat",
+        "rev": "0f9255e01c2351cc7d116c072cb317785dd33b33",
+        "type": "github"
+      },
+      "original": {
+        "owner": "edolstra",
+        "repo": "flake-compat",
+        "type": "github"
+      }
+    },
+    "git-hooks": {
+      "inputs": {
+        "flake-compat": "flake-compat",
+        "gitignore": "gitignore",
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1737465171,
+        "narHash": "sha256-R10v2hoJRLq8jcL4syVFag7nIGE7m13qO48wRIukWNg=",
+        "owner": "cachix",
+        "repo": "git-hooks.nix",
+        "rev": "9364dc02281ce2d37a1f55b6e51f7c0f65a75f17",
+        "type": "github"
+      },
+      "original": {
+        "owner": "cachix",
+        "repo": "git-hooks.nix",
+        "type": "github"
+      }
+    },
+    "gitignore": {
+      "inputs": {
+        "nixpkgs": [
+          "git-hooks",
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1709087332,
+        "narHash": "sha256-HG2cCnktfHsKV0s4XW83gU3F57gaTljL9KNSuG6bnQs=",
+        "owner": "hercules-ci",
+        "repo": "gitignore.nix",
+        "rev": "637db329424fd7e46cf4185293b9cc8c88c95394",
+        "type": "github"
+      },
+      "original": {
+        "owner": "hercules-ci",
+        "repo": "gitignore.nix",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1739206421,
+        "narHash": "sha256-PwQASeL2cGVmrtQYlrBur0U20Xy07uSWVnFup2PHnDs=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "44534bc021b85c8d78e465021e21f33b856e2540",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "ref": "nixos-24.11",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "git-hooks": "git-hooks",
+        "nixpkgs": "nixpkgs"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

flake.nix

@@ -0,0 +1,14 @@
+{
+  inputs.nixpkgs.url = "github:nixos/nixpkgs/nixos-24.11";
+  inputs.git-hooks.url = "github:cachix/git-hooks.nix";
+  inputs.git-hooks.inputs.nixpkgs.follows = "nixpkgs";
+  outputs = inputs: let
+    inherit (import nix/boilerplate.nix inputs) call genPkgs;
+  in {
+    # overlays = import nix/overlays.nix;
+    packages = call (import nix/packages.nix);
+    checks = call (import nix/checks.nix);
+    devShells = call (import nix/shells.nix);
+    formatter = genPkgs (p: p.alejandra);
+  };
+}

lyt/Cargo.toml

@@ -0,0 +1,6 @@
+[package]
+name = "lyt"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]

lyt/src/main.rs

@@ -0,0 +1,3 @@
+fn main() {
+    println!("Hello, world!");
+}

nix/boilerplate.nix

@@ -0,0 +1,17 @@
+inputs @ {
+  nixpkgs,
+  self,
+  ...
+}: let
+  forSelfOverlay =
+    if builtins.hasAttr "overlays" self && builtins.hasAttr "forSelf" self.overlays
+    then self.overlays.forSelf
+    else (_: p: p);
+in rec {
+  # TODO: Iterate all Nix's supported systems?
+  systems = ["aarch64-linux" "x86_64-linux" "x86_64-darwin" "aarch64-darwin"];
+  forSystems = nixpkgs.lib.genAttrs systems;
+  pkgsFor = system: ((import nixpkgs {inherit system;}).extend forSelfOverlay);
+  genPkgs = func: (forSystems (system: func (pkgsFor system)));
+  call = imported: genPkgs (pkgs: imported (inputs // {inherit pkgs;}));
+}

nix/checks.nix

@@ -0,0 +1,25 @@
+{
+  pkgs,
+  git-hooks,
+  ...
+}: {
+  git-hooks = git-hooks.lib.${pkgs.system}.run {
+    src = ./..;
+    hooks = {
+      alejandra.enable = true;
+      cargo-check.enable = true;
+      convco.enable = true;
+      cargo-test = {
+        enable = true;
+        name = "cargo-test";
+        entry = "cargo test";
+        # types = ["rust"];
+        # language = "rust";
+        pass_filenames = false;
+        stages = ["pre-commit"];
+      };
+      clippy.enable = true;
+      rustfmt.enable = true;
+    };
+  };
+}

nix/packages.nix

@@ -0,0 +1,14 @@
+{pkgs, ...}: let
+  inherit (builtins) fromTOML readFile;
+  pname = "lyt";
+  src = ./..;
+  main-package = pkgs.rustPlatform.buildRustPackage {
+    inherit pname src;
+    version = (fromTOML (readFile "${src}/${pname}/Cargo.toml")).package.version;
+    cargoHash = "sha256-ZrT35F8EoawLgJVcp15kBLGkQZkhi1dxkYEAsV1ZlaU=";
+    useFetchCargoVendor = true;
+  };
+in {
+  ${pname} = main-package;
+  default = main-package;
+}

nix/shells.nix

@@ -0,0 +1,21 @@
+{
+  self,
+  pkgs,
+  ...
+}: let
+  inherit (pkgs) system;
+in {
+  default = pkgs.mkShell {
+    inherit (self.checks.${system}.git-hooks) shellHook;
+    inputsFrom = [self.packages.${system}.default];
+    packages = with pkgs; [
+      convco
+      rustPackages.clippy
+      typescript-language-server
+      rust-analyzer
+      rustfmt
+      nixd
+      lldb
+    ];
+  };
+}