From c2e1c242f469f2d11c6a077ee2de4b1e26701905 Mon Sep 17 00:00:00 2001
From: Tomo <68489118+Tomodachi94@users.noreply.github.com>
Date: Mon, 20 May 2024 16:03:31 -0700
Subject: [PATCH] mpack: add passthru.tests.version

---
 pkgs/by-name/mp/mpack/package.nix | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/pkgs/by-name/mp/mpack/package.nix b/pkgs/by-name/mp/mpack/package.nix
index 1f1de3817ff7..d428fbe664c9 100644
--- a/pkgs/by-name/mp/mpack/package.nix
+++ b/pkgs/by-name/mp/mpack/package.nix
@@ -2,6 +2,8 @@
   lib,
   stdenv,
   fetchurl,
+  testers,
+  mpack,
 }:
 
 stdenv.mkDerivation rec {
@@ -36,6 +38,16 @@ stdenv.mkDerivation rec {
 
   enableParallelBuilding = true;
 
+  passthru.tests = {
+    version = testers.testVersion {
+      command = ''
+        mpack 2>&1 || echo "mpack exited with error code $?"
+      '';
+      package = mpack;
+      version = "mpack version ${version}";
+    };
+  };
+
   meta = with lib; {
     description = "Utilities for encoding and decoding binary files in MIME";
     license = licenses.free;