gops: install shell completions (#445613)

{

  lib,

  stdenv,

  buildGoModule,

  fetchFromGitHub,

  writableTmpDirAsHomeHook,

  installShellFiles,

}:

buildGoModule (finalAttrs: {

  nativeCheckInputs = [ writableTmpDirAsHomeHook ];

  nativeBuildInputs = [ installShellFiles ];

  postInstall = lib.optionalString (stdenv.buildPlatform.canExecute stdenv.hostPlatform) ''

    installShellCompletion \

      --cmd gops \

      --bash <($out/bin/gops completion bash) \

      --fish <($out/bin/gops completion fish) \

      --zsh <($out/bin/gops completion zsh)

  '';

  meta = with lib; {

    description = "Tool to list and diagnose Go processes currently running on your system";

    mainProgram = "gops";