From dc9fb3e58ca7d34e15fc4a67f95f83483ef97440 Mon Sep 17 00:00:00 2001
From: Anton Mosich <anton@mosich.at>
Date: Thu, 1 May 2025 21:22:56 +0200
Subject: [PATCH] hvm: fix build

Apparently rust changed their output when panicking when going from
1.85.1 -> 1.86.0, which broke an hvm test.
---
 pkgs/by-name/hv/hvm/package.nix | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/pkgs/by-name/hv/hvm/package.nix b/pkgs/by-name/hv/hvm/package.nix
index a6a9d39cb309..72038f23c864 100644
--- a/pkgs/by-name/hv/hvm/package.nix
+++ b/pkgs/by-name/hv/hvm/package.nix
@@ -13,6 +13,11 @@ rustPlatform.buildRustPackage rec {
     hash = "sha256-AD8mv47m4E6H8BVkxTExyhrR7VEnuB/KxnRl2puPnX4=";
   };
 
+  # Insert empty line in expected output of rust panic in a test
+  postPatch = ''
+    sed -i '6G' tests/snapshots/run__file@empty.hvm.snap
+  '';
+
   useFetchCargoVendor = true;
   cargoHash = "sha256-nLcT+o6xrxPmQqK7FQpCqTlxOOUA1FzqRGQIypcq4fo=";