From 9570036146b9bdbd66ce0b9f71479d0f56f3bf35 Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <edolstra@gmail.com>
Date: Wed, 29 Apr 2020 15:51:45 +0200
Subject: [PATCH] nix copy: Build derivations

Fixes

  $ nix copy .#hydraJobs.vendoredCrates --to /tmp/nix
  error: path '/nix/store/...' is not valid
---
 src/nix/copy.cc | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/nix/copy.cc b/src/nix/copy.cc
index 66993ac21..23323a36e 100644
--- a/src/nix/copy.cc
+++ b/src/nix/copy.cc
@@ -40,6 +40,8 @@ struct CmdCopy : StorePathsCommand
             .shortName('s')
             .description("whether to try substitutes on the destination store (only supported by SSH)")
             .set(&substitute, Substitute);
+
+        realiseMode = Build;
     }
 
     std::string description() override