From 33b0ad83e976ed6bb22b6862ca0637dd2fb765f7 Mon Sep 17 00:00:00 2001
From: Matthieu Coudron <mattator@gmail.com>
Date: Sat, 17 Mar 2018 23:21:27 +0900
Subject: [PATCH] qemu-vm: passing QEMU_NET_OPTS would fail

because of a change in #36850.
spotted by @jtojnar https://github.com/NixOS/nixpkgs/commit/b7a2333ebe7a0916c9791f3b7a839e8095c39f7f#commitcomment-28134992
---
 nixos/modules/virtualisation/qemu-vm.nix | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/nixos/modules/virtualisation/qemu-vm.nix b/nixos/modules/virtualisation/qemu-vm.nix
index 674f230c8104..ee327ed805b2 100644
--- a/nixos/modules/virtualisation/qemu-vm.nix
+++ b/nixos/modules/virtualisation/qemu-vm.nix
@@ -320,7 +320,7 @@ in
         mkOption {
           default = [
             "-net nic,netdev=user.0,model=virtio"
-            "-netdev user,id=user.0,\${QEMU_NET_OPTS:+,$QEMU_NET_OPTS}"
+            "-netdev user,id=user.0\${QEMU_NET_OPTS:+,$QEMU_NET_OPTS}"
           ];
           type = types.listOf types.str;
           description = ''