From f5a40e11028c435e8f87c6b5d011d166f033f6f5 Mon Sep 17 00:00:00 2001
From: Martin Weinelt <hexa@darmstadt.ccc.de>
Date: Sat, 19 Jul 2025 01:15:47 +0200
Subject: [PATCH] nixos/testing: fix pyflakes builtins with bash 5.3p0

Printing the file contents with `< file` does not seem to work anymore.
---
 nixos/lib/testing/driver.nix | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/nixos/lib/testing/driver.nix b/nixos/lib/testing/driver.nix
index 05d0b1a04569..f511e362c392 100644
--- a/nixos/lib/testing/driver.nix
+++ b/nixos/lib/testing/driver.nix
@@ -90,7 +90,7 @@ let
 
           PYFLAKES_BUILTINS="$(
             echo -n ${lib.escapeShellArg (lib.concatStringsSep "," pythonizedNames)},
-            < ${lib.escapeShellArg "driver-symbols"}
+            cat ${lib.escapeShellArg "driver-symbols"}
           )" ${hostPkgs.python3Packages.pyflakes}/bin/pyflakes $out/test-script
         ''}