From 39e27a04b8d1fc8251128b1f9f8f152b8c8a9b68 Mon Sep 17 00:00:00 2001
From: Shea Levy <shea@shealevy.com>
Date: Thu, 23 Jul 2015 09:48:03 -0400
Subject: [PATCH] Importing derivations: Add name attribute to make a valid drv

---
 corepkgs/imported-drv-to-derivation.nix | 4 ++--
 src/libexpr/primops.cc                  | 4 +++-
 2 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/corepkgs/imported-drv-to-derivation.nix b/corepkgs/imported-drv-to-derivation.nix
index bdb601698..eab8b050e 100644
--- a/corepkgs/imported-drv-to-derivation.nix
+++ b/corepkgs/imported-drv-to-derivation.nix
@@ -1,10 +1,10 @@
-attrs @ { drvPath, outputs, ... }:
+attrs @ { drvPath, outputs, name, ... }:
 
 let
 
   commonAttrs = (builtins.listToAttrs outputsList) //
     { all = map (x: x.value) outputsList;
-      inherit drvPath;
+      inherit drvPath name;
       type = "derivation";
     };
 
diff --git a/src/libexpr/primops.cc b/src/libexpr/primops.cc
index f555de73e..dd21bdc57 100644
--- a/src/libexpr/primops.cc
+++ b/src/libexpr/primops.cc
@@ -86,9 +86,11 @@ static void prim_scopedImport(EvalState & state, const Pos & pos, Value * * args
     if (isStorePath(path) && store->isValidPath(path) && isDerivation(path)) {
         Derivation drv = readDerivation(path);
         Value & w = *state.allocValue();
-        state.mkAttrs(w, 2 + drv.outputs.size());
+        state.mkAttrs(w, 3 + drv.outputs.size());
         Value * v2 = state.allocAttr(w, state.sDrvPath);
         mkString(*v2, path, singleton<PathSet>("=" + path));
+        v2 = state.allocAttr(w, state.sName);
+        mkString(*v2, drv.env["name"]);
         Value * outputsVal =
             state.allocAttr(w, state.symbols.create("outputs"));
         state.mkList(*outputsVal, drv.outputs.size());