From cc563d84328bd3e77802a2ea02f2f2e6c1394253 Mon Sep 17 00:00:00 2001
From: zowoq <59103226+zowoq@users.noreply.github.com>
Date: Thu, 18 Mar 2021 18:58:03 +1000
Subject: [PATCH] kapp: install completion

---
 pkgs/tools/networking/kapp/default.nix | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/pkgs/tools/networking/kapp/default.nix b/pkgs/tools/networking/kapp/default.nix
index dfb641348714..2ff2fd8daec1 100644
--- a/pkgs/tools/networking/kapp/default.nix
+++ b/pkgs/tools/networking/kapp/default.nix
@@ -1,4 +1,4 @@
-{ lib, buildGoModule, fetchFromGitHub }:
+{ lib, buildGoModule, fetchFromGitHub, installShellFiles }:
 buildGoModule rec {
   pname = "kapp";
   version = "0.36.0";
@@ -14,6 +14,15 @@ buildGoModule rec {
 
   subPackages = [ "cmd/kapp" ];
 
+  nativeBuildInputs = [ installShellFiles ];
+
+  postInstall = ''
+    for shell in bash fish zsh; do
+      $out/bin/kapp completion $shell > kapp.$shell
+      installShellCompletion kapp.$shell
+    done
+  '';
+
   meta = with lib; {
     description = "CLI tool that encourages Kubernetes users to manage bulk resources with an application abstraction for grouping";
     homepage = "https://get-kapp.io";