From dc670a173ab22d344c5d77d502798f0296f572cc Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <eelco.dolstra@logicblox.com>
Date: Mon, 9 Sep 2013 17:22:42 +0200
Subject: [PATCH] Make tab-completion work on builtins

---
 nix-repl.cc | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/nix-repl.cc b/nix-repl.cc
index 012fdfe1e..98d27b435 100644
--- a/nix-repl.cc
+++ b/nix-repl.cc
@@ -384,8 +384,11 @@ void NixRepl::initEnv()
     env = &state.allocEnv(envSize);
     env->up = &state.baseEnv;
     displ = 0;
-    varNames.clear();
     staticEnv.vars.clear();
+
+    varNames.clear();
+    foreach (StaticEnv::Vars::iterator, i, state.staticBaseEnv.vars)
+        varNames.insert(i->first);
 }