From ebc024df2287085d48ed6194aa756fd70c07f76c Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <edolstra@gmail.com>
Date: Thu, 7 May 2020 17:25:27 +0200
Subject: [PATCH] Show hint how to enable experimental features
---
src/libstore/globals.cc | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/src/libstore/globals.cc b/src/libstore/globals.cc
index a0a2d850e..bee94cbd8 100644
--- a/src/libstore/globals.cc
+++ b/src/libstore/globals.cc
@@ -130,7 +130,7 @@ bool Settings::isExperimentalFeatureEnabled(const std::string & name)
void Settings::requireExperimentalFeature(const std::string & name)
{
if (!isExperimentalFeatureEnabled(name))
- throw Error("experimental Nix feature '%s' is disabled", name);
+ throw Error("experimental Nix feature '%1%' is disabled; use '--experimental-features %1%' to override", name);
}
bool Settings::isWSL1()