feat: nixos dev stuff (#470)

Co-authored-by: not a cow <104355555+not-a-cowfr@users.noreply.github.com>

Author: Kathund

CONTRIBUTING.md

@@ -38,8 +38,10 @@ To make changes locally, follow these steps:
 1. Clone the repository: `git clone https://github.com/Polyfrost/OneLauncher`
 2. Navigate to the project directory: `cd OneLauncher`
 3. Configure your system environment for OneLauncher development:
-   1. For Linux users, run: `./packages/scripts/setup.sh`
-      > The [Unix script] will check if Rust and pnpm are installed then proceed to install Clang, NASM, LLVM, libvips, [Tauri essentials] and any other required dependencies for OneLauncher to build.
+   1. Linux:
+	   1. NixOS: Please use `nix develop`
+	   2. For Other Linux users, run: `./packages/scripts/setup.sh`
+		  > The [Unix script] will check if Rust and pnpm are installed then proceed to install Clang, NASM, LLVM, libvips, [Tauri essentials] and any other required dependencies for OneLauncher to build.
    2. For macOS users, run: `./packages/scripts/setup.sh`
       > The [Unix script] will check if Rust, pnpm and Xcode are installed and proceed to use Homebrew to install NASM, [Tauri essentials] and install any other required dependencies for OneLauncher to build.
    3. For Windows users, run in PowerShell: `powershell -ExecutionPolicy Bypass -File .\packages\scripts\setup.ps1`

flake.lock

@@ -1,13 +1,81 @@
 {
   description = "Next-generation open source Minecraft launcher";
 
-  inputs.nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
-  inputs.flake-parts.url = "github:hercules-ci/flake-parts";
-  inputs.crane.url = "github:ipetkov/crane";
+  inputs = {
+    nixpkgs = {
+      url = "github:nixos/nixpkgs/nixos-unstable";
+    };
+
+    flake-parts = {
+      url = "github:hercules-ci/flake-parts";
+    };
+
+    crane = {
+      url = "github:ipetkov/crane";
+    };
+
+    rust-overlay = {
+      url = "github:oxalica/rust-overlay";
+      inputs = {
+        nixpkgs = {
+          follows = "nixpkgs";
+        };
+      };
+    };
+  };
 
-  outputs = inputs@{ flake-parts, ... }:
+  outputs =
+    inputs@{ flake-parts, rust-overlay, ... }:
     flake-parts.lib.mkFlake { inherit inputs; } {
-      systems = ["x86_64-linux" "aarch64-linux" "x86_64-darwin" "aarch64-darwin"];
-      perSystem = { config, pkgs, ... }: {};
+      systems = [
+        "x86_64-linux"
+        "aarch64-linux"
+        "x86_64-darwin"
+        "aarch64-darwin"
+      ];
+
+      perSystem =
+        { pkgs, system, ... }:
+        let
+          pkgs' = import inputs.nixpkgs {
+            inherit system;
+            overlays = [ rust-overlay.overlays.default ];
+          };
+        in
+        {
+          devShells.default = pkgs'.mkShell {
+            packages = with pkgs'; [
+              (rust-bin.fromRustupToolchainFile ./rust-toolchain.toml)
+
+              cargo-tauri
+              nodejs_24
+              pnpm
+              eslint
+              typescript
+
+              pkg-config
+              openssl
+
+              gobject-introspection
+              at-spi2-atk
+              atkmm
+              cairo
+              gdk-pixbuf
+              glib
+              gtk3
+              harfbuzz
+              librsvg
+              libsoup_3
+              pango
+              webkitgtk_4_1
+            ];
+
+            shellHook = ''
+              export GIO_MODULE_DIR="${pkgs.glib-networking}/lib/gio/modules/"
+              pnpm i
+              pnpm prep
+            '';
+          };
+        };
     };
 }