109/376: Speed up nix-shell

[Ludovic Courtès]

civodul pushed a commit to tag 1.8
in repository guix.

commit 7a60ff9a629f6d7c36ec710738a15e713acd6a34
Author: Eelco Dolstra <address@hidden>
Date:   Mon Aug 4 17:07:12 2014 +0200

    Speed up nix-shell
---
 release.nix |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/release.nix b/release.nix
index e77f65b..1f91e23 100644
--- a/release.nix
+++ b/release.nix
@@ -19,7 +19,7 @@ let
         name = "nix-tarball";
         version = builtins.readFile ./version;
         versionSuffix = if officialRelease then "" else "pre${toString 
nix.revCount}_${nix.shortRev}";
-        src = nix;
+        src = if lib.inNixShell then null else nix;
         inherit officialRelease;
 
         buildInputs =