terraform-docs: install shell completions (#347637)

{

  stdenv,

  lib,

  buildGoModule,

  fetchFromGitHub,

  installShellFiles,

}:

buildGoModule rec {

  pname = "terraform-docs";

  vendorHash = "sha256-aweKTHQBYYqSp8CymwhnVv1WNQ7cZ1/bJNz7DSo7PKc=";

  excludedPackages = [ "scripts" ];

  nativeBuildInputs = [ installShellFiles ];

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

    $out/bin/terraform-docs completion bash >terraform-docs.bash

    $out/bin/terraform-docs completion fish >terraform-docs.fish

    $out/bin/terraform-docs completion zsh >terraform-docs.zsh

    installShellCompletion terraform-docs.{bash,fish,zsh}

  '';

  meta = with lib; {

    description = "Utility to generate documentation from Terraform modules in various output formats";

    mainProgram = "terraform-docs";