From 98031b6050000bccef915b99cf3a2ed810a1b35e Mon Sep 17 00:00:00 2001
From: Will Dietz <w@wdtz.org>
Date: Wed, 7 Feb 2018 14:58:38 -0600
Subject: [PATCH] nix build: Don't create output links with --dry-run.

Fixes #1849.
---
 src/nix/build.cc | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/nix/build.cc b/src/nix/build.cc
index f7c99f12d..093415a0d 100644
--- a/src/nix/build.cc
+++ b/src/nix/build.cc
@@ -52,6 +52,8 @@ struct CmdBuild : MixDryRun, InstallablesCommand
     {
         auto buildables = toBuildables(store, dryRun ? DryRun : Build, installables);
 
+        if (dryRun) return;
+
         for (size_t i = 0; i < buildables.size(); ++i) {
             auto & b(buildables[i]);