From e073f2c584a42a2029e9196a01e9747ed46f6a0c Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <edolstra@gmail.com>
Date: Mon, 8 Jun 2020 16:23:54 +0200
Subject: [PATCH] nix flake: Require 'flakes' feature

---
 src/nix/flake.cc | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/nix/flake.cc b/src/nix/flake.cc
index 57ce996cd..865ac8cb8 100644
--- a/src/nix/flake.cc
+++ b/src/nix/flake.cc
@@ -934,6 +934,7 @@ struct CmdFlake : virtual MultiCommand, virtual Command
     {
         if (!command)
             throw UsageError("'nix flake' requires a sub-command.");
+        settings.requireExperimentalFeature("flakes");
         command->second->prepare();
         command->second->run();
     }