From e20f0da22ccb28d94bfd82fa66e2a723c75951f2 Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <e.dolstra@tudelft.nl>
Date: Mon, 30 Apr 2007 18:41:27 +0000
Subject: [PATCH] * Doh.

---
 src/nix-env/nix-env.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/nix-env/nix-env.cc b/src/nix-env/nix-env.cc
index 1a4d8ee587..3eea5c0c55 100644
--- a/src/nix-env/nix-env.cc
+++ b/src/nix-env/nix-env.cc
@@ -485,7 +485,7 @@ static void installDerivations(Globals & globals,
         MetaInfo meta = i->queryMetaInfo(globals.state);
         if (!globals.preserveInstalled &&
             newNames.find(drvName.name) != newNames.end() &&
-            meta["keep"] == "true")
+            meta["keep"] != "true")
             printMsg(lvlInfo,
                 format("replacing old `%1%'") % i->name);
         else