tokstat: init at 0.5.0 (#490997)

pkgs/by-name/to/tokstat/package.nix

@@ -0,0 +1,56 @@
+{
+  lib,
+  rustPlatform,
+  fetchFromGitHub,
+  pkg-config,
+  installShellFiles,
+  openssl,
+  dbus,
+  stdenv,
+}:
+
+rustPlatform.buildRustPackage (finalAttrs: {
+  pname = "tokstat";
+  version = "0.5.0";
+
+  src = fetchFromGitHub {
+    owner = "pbek";
+    repo = "tokstat";
+    tag = "v${finalAttrs.version}";
+    hash = "sha256-J144les0gxAFt34+r2hcikIyLKm+A1p8zNg+FljZ41o=";
+  };
+
+  cargoHash = "sha256-llS2UrJ9B+JSNkBUYioEEbe36lGgIr3ifjBXgPhTRnE=";
+
+  nativeBuildInputs = [
+    pkg-config
+    installShellFiles
+  ];
+
+  buildInputs = [
+    openssl
+  ]
+  ++ lib.optionals stdenv.hostPlatform.isLinux [
+    dbus
+  ];
+
+  # For keyring support
+  PKG_CONFIG_PATH = lib.optionalString stdenv.hostPlatform.isLinux "${dbus.dev}/lib/pkgconfig";
+
+  postInstall = lib.optionalString (stdenv.buildPlatform.canExecute stdenv.hostPlatform) ''
+    # Generate shell completions
+    installShellCompletion --cmd tokstat \
+      --bash <($out/bin/tokstat --generate bash 2>/dev/null) \
+      --fish <($out/bin/tokstat --generate fish 2>/dev/null) \
+      --zsh <($out/bin/tokstat --generate zsh 2>/dev/null)
+  '';
+
+  meta = {
+    description = "CLI application to monitor token quotas across multiple AI providers";
+    homepage = "https://github.com/pbek/tokstat";
+    changelog = "https://github.com/pbek/tokstat/releases/tag/v${finalAttrs.version}";
+    license = lib.licenses.gpl3Plus;
+    maintainers = with lib.maintainers; [ pbek ];
+    mainProgram = "tokstat";
+  };
+})