From 32ce9d0ff40dda8670a111d9b16dabf4857741d0 Mon Sep 17 00:00:00 2001
From: Erik Arvstedt <erik.arvstedt@gmail.com>
Date: Fri, 3 Sep 2021 13:19:29 +0200
Subject: [PATCH] run-tests: fix 'eval' command for newer versions of nix

There's no common `nix` command argument syntax for eval'ing a nix
expression that supports both older and newer (flake support) versions of nix.
So fall back to nix-instantiate.
---
 test/run-tests.sh | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/test/run-tests.sh b/test/run-tests.sh
index 241f142..ddf3eb0 100755
--- a/test/run-tests.sh
+++ b/test/run-tests.sh
@@ -165,8 +165,7 @@ debug() {
 }
 
 evalTest() {
-    nix eval --raw "($(vmTestNixExpr)).outPath"
-    echo # nix eval doesn't print a newline
+    nix-instantiate --eval -E "($(vmTestNixExpr)).outPath"
 }
 
 instantiate() {