From 07e1d227c91a0b567028766b713a9228ee556ad2 Mon Sep 17 00:00:00 2001
From: Nils Adermann <naderman@naderman.de>
Date: Tue, 7 Jul 2015 15:40:26 +0200
Subject: [PATCH] Output the size of the pool after dependency resolution for
 users

---
 src/Composer/DependencyResolver/Pool.php | 10 +++++++++-
 src/Composer/Installer.php               |  4 ++++
 2 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/src/Composer/DependencyResolver/Pool.php b/src/Composer/DependencyResolver/Pool.php
index 000d63805..343fad9be 100644
--- a/src/Composer/DependencyResolver/Pool.php
+++ b/src/Composer/DependencyResolver/Pool.php
@@ -31,7 +31,7 @@ use Composer\Package\PackageInterface;
  * @author Nils Adermann <naderman@naderman.de>
  * @author Jordi Boggiano <j.boggiano@seld.be>
  */
-class Pool
+class Pool implements \Countable
 {
     const MATCH_NAME = -1;
     const MATCH_NONE = 0;
@@ -160,6 +160,14 @@ class Pool
         return $this->packages[$id - 1];
     }
 
+    /**
+     * Returns how many packages have been loaded into the pool
+     */
+    public function count()
+    {
+        return count($this->packages);
+    }
+
     /**
      * Searches all packages providing the given package name and match the constraint
      *
diff --git a/src/Composer/Installer.php b/src/Composer/Installer.php
index e58381856..464102120 100644
--- a/src/Composer/Installer.php
+++ b/src/Composer/Installer.php
@@ -511,6 +511,10 @@ class Installer
             return max(1, $e->getCode());
         }
 
+        if ($this->io->isVerbose()) {
+            $this->io->writeError("Analyzed ".count($pool)." packages to resolve dependencies");
+        }
+
         // force dev packages to be updated if we update or install from a (potentially new) lock
         $operations = $this->processDevPackages($localRepo, $pool, $policy, $repositories, $installedRepo, $lockedRepository, $installFromLock, $withDevReqs, 'force-updates', $operations);