From 2e86faf11a830fa12d210d5f0591359c9253106f Mon Sep 17 00:00:00 2001
From: Sofi <sofi+git@mailbox.org>
Date: Thu, 21 Jul 2022 01:01:17 +0200
Subject: [PATCH] ferium: add shell completions

---
 pkgs/games/ferium/default.nix | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/pkgs/games/ferium/default.nix b/pkgs/games/ferium/default.nix
index d84b1c556153..f72ce4da7eeb 100644
--- a/pkgs/games/ferium/default.nix
+++ b/pkgs/games/ferium/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, rustPlatform, Security }:
+{ lib, stdenv, fetchFromGitHub, rustPlatform, Security, installShellFiles }:
 
 rustPlatform.buildRustPackage rec {
   pname = "ferium";
@@ -21,6 +21,15 @@ rustPlatform.buildRustPackage rec {
   # Requires an internet connection
   doCheck = false;
 
+  nativeBuildInputs = [ installShellFiles ];
+
+  postInstall = ''
+    for shell in bash fish zsh; do
+      $out/bin/ferium complete $shell > ferium.$shell
+      installShellCompletion ferium.$shell
+    done
+  '';
+
   meta = with lib; {
     description = "Fast and multi-source CLI program for managing Minecraft mods and modpacks from Modrinth, CurseForge, and GitHub Releases";
     homepage = "https://github.com/gorilla-devs/ferium";