From 092bb3c6e023d91a03a538c092b7768b63393018 Mon Sep 17 00:00:00 2001
From: Robert Hensing <robert@roberthensing.nl>
Date: Tue, 4 Oct 2022 17:54:37 +0200
Subject: [PATCH] python3Packages.libvirt: Fix build on darwin

The `zfs` package is not supported on darwin at all, resulting in
an evaluation error.
This change conditionally removes the patch that tried to introduce
the dependency regardless of that fact in f00d5620804f700b05b8cb913ac10ef3ddcaa068,
https://github.com/NixOS/nixpkgs/pull/191552
---
 pkgs/development/libraries/libvirt/default.nix | 1 +
 1 file changed, 1 insertion(+)

diff --git a/pkgs/development/libraries/libvirt/default.nix b/pkgs/development/libraries/libvirt/default.nix
index 4d0ef8bebd4c..363b955dea87 100644
--- a/pkgs/development/libraries/libvirt/default.nix
+++ b/pkgs/development/libraries/libvirt/default.nix
@@ -125,6 +125,7 @@ stdenv.mkDerivation rec {
 
   patches = [
     ./0001-meson-patch-in-an-install-prefix-for-building-on-nix.patch
+  ] ++ lib.optionals enableZfs [
     (substituteAll {
       src = ./0002-substitute-zfs-and-zpool-commands.patch;
       zfs = "${zfs}/bin/zfs";