{ lib, stdenv, rustPlatform, fetchFromGitHub, Cocoa, AppKit, installShellFiles }:

rustPlatform.buildRustPackage rec {
  pname = "watchexec";
  version = "2.0.0";

  src = fetchFromGitHub {
    owner = pname;
    repo = pname;
    rev = "v${version}";
    hash = "sha256-wJt8247RKS6g+O2Ho75Fn4O4w6RoxotRm0yXBRM9d8g=";
  };

  cargoHash = "sha256-JLDNAuYE7Pu9E82TD2cz9lnCWEC9bNQxd3MP4lXjo3k=";

  nativeBuildInputs = [ installShellFiles ];

  buildInputs = lib.optionals stdenv.isDarwin [ Cocoa AppKit ];

  NIX_LDFLAGS = lib.optionalString stdenv.isDarwin "-framework AppKit";

  checkFlags = [ "--skip=help" "--skip=help_short" ];

  postPatch = ''
    rm .cargo/config
  '';

  postInstall = ''
    installManPage doc/watchexec.1
    installShellCompletion --zsh --name _watchexec completions/zsh
  '';

  meta = with lib; {
    description = "Executes commands in response to file modifications";
    homepage = "https://watchexec.github.io/";
    license = with licenses; [ asl20 ];
    maintainers = [ maintainers.michalrus ];
    mainProgram = "watchexec";
  };
}