From 04f0ecfc0128f2934c31e77d9355e5b10d6a82d7 Mon Sep 17 00:00:00 2001
From: Beau Simensen <beau@dflydev.com>
Date: Thu, 9 Feb 2012 10:21:16 -0800
Subject: [PATCH] Change permission of bin links if they exist and are already
 links

---
 src/Composer/Installer/LibraryInstaller.php | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/Composer/Installer/LibraryInstaller.php b/src/Composer/Installer/LibraryInstaller.php
index db2fe535b..fe135159d 100644
--- a/src/Composer/Installer/LibraryInstaller.php
+++ b/src/Composer/Installer/LibraryInstaller.php
@@ -147,6 +147,12 @@ class LibraryInstaller implements InstallerInterface
         foreach ($package->getBinaries() as $bin) {
             $link = $this->binDir.'/'.basename($bin);
             if (file_exists($link)) {
+                if (is_link($link)) {
+                    // likely leftover from a previous install, make sure
+                    // that the target is still executable in case this
+                    // is a fresh install of the vendor.
+                    chmod($link, 0777);
+                }
                 $this->io->write('Skipped installation of '.$bin.' for package '.$package->getName().', name conflicts with an existing file');
                 continue;
             }