csvtk: install shell completions

{

  lib,

  stdenv,

  buildGoModule,

  fetchFromGitHub,

  installShellFiles,

  buildPackages,

}:

let

  version = "0.31.0";

  vendorHash = "sha256-5RqAtnGioasbQxLltglCWitzb7mQgNYIE9IFkE0AOME=";

  nativeBuildInputs = [ installShellFiles ];

  postInstall =

    let

      csvtkBin =

        if stdenv.buildPlatform.canExecute stdenv.hostPlatform then

          "$out"

        else

          lib.getBin buildPackages.csvtk;

    in

    ''

      for shell in bash zsh fish; do

        ${csvtkBin}/bin/csvtk genautocomplete --shell $shell --file csvtk.$shell

        installShellCompletion csvtk.$shell

      done

    '';

  meta = {

    description = "Cross-platform, efficient and practical CSV/TSV toolkit in Golang";

    changelog = "https://github.com/shenwei356/csvtk/releases/tag/v${version}";