From 7a242c5d029f129b4c1ecff3836d8e382825501d Mon Sep 17 00:00:00 2001
From: "Bryan A. S" <bryanasdev000@gmail.com>
Date: Sat, 25 Jun 2022 21:34:53 -0300
Subject: [PATCH] cilium-cli: enable shell completion

---
 .../networking/cluster/cilium/default.nix             | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/pkgs/applications/networking/cluster/cilium/default.nix b/pkgs/applications/networking/cluster/cilium/default.nix
index 076b7f2a94c..74bba4b13c2 100644
--- a/pkgs/applications/networking/cluster/cilium/default.nix
+++ b/pkgs/applications/networking/cluster/cilium/default.nix
@@ -1,4 +1,4 @@
-{ lib, buildGoModule, fetchFromGitHub }:
+{ lib, buildGoModule, fetchFromGitHub, installShellFiles }:
 
 buildGoModule rec {
   pname = "cilium-cli";
@@ -20,7 +20,6 @@ buildGoModule rec {
     "-X github.com/cilium/cilium-cli/internal/cli/cmd.Version=${version}"
   ];
 
-
   # Required to workaround install check error:
   # 2022/06/25 10:36:22 Unable to start gops: mkdir /homeless-shelter: permission denied
   HOME = "$TMPDIR";
@@ -30,6 +29,14 @@ buildGoModule rec {
     $out/bin/cilium version | grep ${version} > /dev/null
   '';
 
+  nativeBuildInputs = [ installShellFiles ];
+  postInstall = ''
+    installShellCompletion --cmd cilium \
+      --bash <($out/bin/cilium completion bash) \
+      --fish <($out/bin/cilium completion fish) \
+      --zsh <($out/bin/cilium completion zsh)
+  '';
+
   meta = with lib; {
     description = "CLI to install, manage & troubleshoot Kubernetes clusters running Cilium";
     license = licenses.asl20;