From 4fac5087390484b2b39895cc54b98d68c28475d0 Mon Sep 17 00:00:00 2001
From: Wolfgang Walther <walther@technowledgy.de>
Date: Sun, 20 Jul 2025 13:50:45 +0200
Subject: [PATCH] rust-hypervisor-firmware: make assert lazy

The assert should not block `meta.platforms` checks from taking effect.
Throwing lazily will allow CI to filter out the package on unsupported
platforms *before* hitting the assert and avoids hacky workarounds.
---
 .../virtualization/rust-hypervisor-firmware/default.nix     | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/pkgs/applications/virtualization/rust-hypervisor-firmware/default.nix b/pkgs/applications/virtualization/rust-hypervisor-firmware/default.nix
index 749e6b46ec19..0a8c571f5394 100644
--- a/pkgs/applications/virtualization/rust-hypervisor-firmware/default.nix
+++ b/pkgs/applications/virtualization/rust-hypervisor-firmware/default.nix
@@ -12,14 +12,14 @@ let
 
 in
 
-assert lib.assertMsg (builtins.pathExists target) "Target spec not found";
-
 let
   cross = import ../../../.. {
     system = stdenv.hostPlatform.system;
     crossSystem = lib.systems.examples."${arch}-embedded" // {
       rust.rustcTarget = "${arch}-unknown-none";
-      rust.platform = lib.importJSON target;
+      rust.platform =
+        assert lib.assertMsg (builtins.pathExists target) "Target spec not found";
+        lib.importJSON target;
     };
   };