From 0a5a867758285ee07334a44ede336ae75fd51c50 Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <edolstra@gmail.com>
Date: Mon, 3 Jul 2017 11:54:30 +0200
Subject: nix-shell: Respect --dry-run

Fixes #824.
---
 src/nix-build/nix-build.cc | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/nix-build/nix-build.cc b/src/nix-build/nix-build.cc
index 42d68fdfd..dc80dd6a5 100755
--- a/src/nix-build/nix-build.cc
+++ b/src/nix-build/nix-build.cc
@@ -390,6 +390,8 @@ int main(int argc, char ** argv)
                     maybePrintExecError(e);
                 }
 
+                if (dryRun) return;
+
                 // Set the environment.
                 auto env = getEnv();
 
-- 
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