From 2dfea8a5e04b5e8e189ab4670e2beaf6ae89fb10 Mon Sep 17 00:00:00 2001
From: Nils Adermann <naderman@naderman.de>
Date: Sun, 20 May 2012 15:44:15 +0200
Subject: [PATCH] Only consider undecided literals for selectAndInstall

Fixes #707
---
 src/Composer/DependencyResolver/Solver.php | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/Composer/DependencyResolver/Solver.php b/src/Composer/DependencyResolver/Solver.php
index 2afb01c7d..9b0d12ad1 100644
--- a/src/Composer/DependencyResolver/Solver.php
+++ b/src/Composer/DependencyResolver/Solver.php
@@ -723,7 +723,9 @@ class Solver
                                 $noneSatisfied = false;
                                 break;
                             }
-                            $decisionQueue[] = $literal;
+                            if ($literal > 0 && $this->undecided($literal)) {
+                                $decisionQueue[] = $literal;
+                            }
                         }
 
                         if ($noneSatisfied && count($decisionQueue)) {