From: Guilhem Moulin <guilhem@debian.org>
Date: Fri, 1 Mar 2024 19:31:37 +0100
Subject: Upstream tests: Parameterize executable path.

This allows running the upstream test suite as a DEP-8 test.
---
 testscript | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/testscript b/testscript
index 8dc2e6c..8209e37 100755
--- a/testscript
+++ b/testscript
@@ -1,5 +1,5 @@
 #!/bin/sh
-netmask="./netmask"
+netmask="${NETMASK_PATH:-./netmask}"
 
 if [ "$srcdir" ]
 then base="$srcdir/"