From 80f1e4372a10427aaf06d5cda87a9bf74db200ab Mon Sep 17 00:00:00 2001
From: Jordi Boggiano <j.boggiano@seld.be>
Date: Tue, 22 Sep 2015 23:54:43 +0100
Subject: [PATCH] Remove empty bin dir after all binaries have been removed
 from it, fixes #3451

---
 src/Composer/Installer/LibraryInstaller.php | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/Composer/Installer/LibraryInstaller.php b/src/Composer/Installer/LibraryInstaller.php
index aa2d46062..b785c4da2 100644
--- a/src/Composer/Installer/LibraryInstaller.php
+++ b/src/Composer/Installer/LibraryInstaller.php
@@ -266,6 +266,11 @@ class LibraryInstaller implements InstallerInterface
                 $this->filesystem->unlink($link.'.bat');
             }
         }
+
+        // attempt removing the bin dir in case it is left empty
+        if ($this->filesystem->isDirEmpty($this->binDir)) {
+            @rmdir($this->binDir);
+        }
     }
 
     protected function initializeVendorDir()