From 1f03581c0cf5bff9da82b9e20c900da069b50480 Mon Sep 17 00:00:00 2001
From: Randy Eckenrode <randy@largeandhighquality.com>
Date: Wed, 6 Sep 2023 21:59:30 -0400
Subject: [PATCH] netcdf: fix tests on Linux

`nczarr_test/Makefile.am` prepends new shebang lines to the start of
some tests when they are built, which breaks tests on Linux because
`/bin/bash` does not exist.
---
 pkgs/development/libraries/netcdf/default.nix | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/pkgs/development/libraries/netcdf/default.nix b/pkgs/development/libraries/netcdf/default.nix
index 4f44bff5352d..8fde7050b97a 100644
--- a/pkgs/development/libraries/netcdf/default.nix
+++ b/pkgs/development/libraries/netcdf/default.nix
@@ -30,6 +30,10 @@ in stdenv.mkDerivation rec {
     for a in ncdap_test/Makefile.am ncdap_test/Makefile.in; do
       substituteInPlace $a --replace testurl.sh " "
     done
+
+    # Prevent building the tests from prepending `#!/bin/bash` and wiping out the patched shenbangs.
+    substituteInPlace nczarr_test/Makefile.in \
+      --replace '#!/bin/bash' '${stdenv.shell}'
   '';
 
   nativeBuildInputs = [ m4 removeReferencesTo ];