From 1f318109010887e28c0e50130ab3594714527eb7 Mon Sep 17 00:00:00 2001
From: Jordi Boggiano <j.boggiano@seld.be>
Date: Tue, 17 Jul 2012 16:48:44 +0200
Subject: [PATCH] Prevent duplicate PEAR replaces if the given vendorAlias
 equals the channel alias

---
 src/Composer/Repository/PearRepository.php | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/Composer/Repository/PearRepository.php b/src/Composer/Repository/PearRepository.php
index d5f070549..6b3119e47 100644
--- a/src/Composer/Repository/PearRepository.php
+++ b/src/Composer/Repository/PearRepository.php
@@ -120,7 +120,9 @@ class PearRepository extends ArrayRepository
                 }
 
                 // alias package with user-specified prefix. it makes private pear channels looks like composer's.
-                if (!empty($this->vendorAlias)) {
+                if (!empty($this->vendorAlias)
+                    && ($this->vendorAlias != 'pear-'.$channelInfo->getAlias() || $channelInfo->getName() != $packageDefinition->getChannelName())
+                ) {
                     $composerPackageAlias = "{$this->vendorAlias}/{$packageDefinition->getPackageName()}";
                     $aliasConstraint = new VersionConstraint('==', $normalizedVersion);
                     $replaces[] = new Link($composerPackageName, $composerPackageAlias, $aliasConstraint, 'replaces', (string) $aliasConstraint);