From cc2f2b79cac840cfa2bd900a4e1f3585955dc987 Mon Sep 17 00:00:00 2001
From: everzet <ever.zet@gmail.com>
Date: Sat, 1 Oct 2011 15:33:25 +0300
Subject: [PATCH] added findPackage() method to the RepositoryManager and
 RepositoryInterface

---
 src/Composer/Repository/ArrayRepository.php     | 17 +++++++++++++++++
 src/Composer/Repository/RepositoryInterface.php | 10 ++++++++++
 src/Composer/Repository/RepositoryManager.php   | 17 +++++++++++++++++
 3 files changed, 44 insertions(+)

diff --git a/src/Composer/Repository/ArrayRepository.php b/src/Composer/Repository/ArrayRepository.php
index fcffc72af..153f87caa 100644
--- a/src/Composer/Repository/ArrayRepository.php
+++ b/src/Composer/Repository/ArrayRepository.php
@@ -23,6 +23,23 @@ class ArrayRepository implements RepositoryInterface
 {
     protected $packages;
 
+    /**
+     * Searches for a package by it's name and version (if has one).
+     *
+     * @param   string  $name       package name
+     * @param   string  $version    package version
+     *
+     * @return  PackageInterface|null
+     */
+    public function findPackage($name, $version)
+    {
+        foreach ($this->getPackages() as $package) {
+            if ($name === $package->getName() && $version === $package->getVersion()) {
+                return $package;
+            }
+        }
+    }
+
     /**
      * Checks if specified package in this repository.
      *
diff --git a/src/Composer/Repository/RepositoryInterface.php b/src/Composer/Repository/RepositoryInterface.php
index 96c06656f..a94ecea4c 100644
--- a/src/Composer/Repository/RepositoryInterface.php
+++ b/src/Composer/Repository/RepositoryInterface.php
@@ -31,6 +31,16 @@ interface RepositoryInterface extends \Countable
      */
     function hasPackage(PackageInterface $package);
 
+    /**
+     * Searches for a package by it's name and version (if has one).
+     *
+     * @param   string  $name       package name
+     * @param   string  $version    package version
+     *
+     * @return  PackageInterface|null
+     */
+    function findPackage($name, $version);
+
     /**
      * Returns list of registered packages.
      *
diff --git a/src/Composer/Repository/RepositoryManager.php b/src/Composer/Repository/RepositoryManager.php
index 7d9022b2f..4535d4945 100644
--- a/src/Composer/Repository/RepositoryManager.php
+++ b/src/Composer/Repository/RepositoryManager.php
@@ -22,6 +22,23 @@ class RepositoryManager
     private $localRepository;
     private $repositories = array();
 
+    /**
+     * Searches for a package by it's name and version in managed repositories.
+     *
+     * @param   string  $name       package name
+     * @param   string  $version    package version
+     *
+     * @return  PackageInterface|null
+     */
+    public function findPackage($name, $version)
+    {
+        foreach ($this->repositories as $repository) {
+            if ($package = $repository->findPackage($name, $version)) {
+                return $package;
+            }
+        }
+    }
+
     /**
      * Sets repository with specific name.
      *