init

flake.nix

@@ -0,0 +1,47 @@
+{
+  description = "NextCompanion — a minimal GTK4 Nextbike client for Linux";
+
+  inputs = {
+    nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
+    rust-overlay.url = "github:oxalica/rust-overlay";
+  };
+
+  outputs = { self, nixpkgs, rust-overlay, ... }:
+    let
+      system = "x86_64-linux";
+      overlays = [ (import rust-overlay) ];
+      pkgs = import nixpkgs { inherit system overlays; };
+
+      runtimeDeps = with pkgs; [
+        gtk4
+        libadwaita
+        glib
+      ];
+      buildDeps = with pkgs; [
+        pkg-config
+        rust-bin.stable.latest.default
+      ];
+    in
+    {
+      devShells.${system}.default = pkgs.mkShell {
+        buildInputs = buildDeps ++ runtimeDeps;
+        shellHook = ''
+          export LD_LIBRARY_PATH="${pkgs.lib.makeLibraryPath runtimeDeps}:$LD_LIBRARY_PATH"
+        '';
+      };
+
+      packages.${system}.default = pkgs.rustPlatform.buildRustPackage {
+        pname = "next-companion";
+        version = "0.1.0";
+        src = ./.;
+        cargoLock.lockFile = ./Cargo.lock;
+        nativeBuildInputs = buildDeps;
+        buildInputs = runtimeDeps;
+      };
+
+      apps.${system}.default = {
+        type = "app";
+        program = "${self.packages.${system}.default}/bin/next-companion";
+      };
+    };
+}