moon: add shell completions

{

  lib,

  stdenv,

  rustPlatform,

  fetchFromGitHub,

  openssl,

  pkg-config,

  versionCheckHook,

  nix-update-script,

  installShellFiles,

  buildPackages,

}:

rustPlatform.buildRustPackage (finalAttrs: {

  };

  buildInputs = [ openssl ];

  nativeBuildInputs = [ pkg-config ];

  nativeBuildInputs = [

    pkg-config

    installShellFiles

  ];

  postInstall = lib.optionalString (stdenv.hostPlatform.emulatorAvailable buildPackages) (

    let

      emulator = stdenv.hostPlatform.emulator buildPackages;

    in

    ''

      installShellCompletion --cmd moon \

        --bash <(${emulator} $out/bin/moon completions --shell bash) \

        --fish <(${emulator} $out/bin/moon completions --shell fish) \

        --zsh <(${emulator} $out/bin/moon completions --shell zsh)

    ''

  );

  # Some tests fail, because test using internet connection and install NodeJS by example

  doCheck = false;