From 59c1a7ff159190d46ad3a0314ac05039e9151942 Mon Sep 17 00:00:00 2001
From: till <till@php.net>
Date: Thu, 8 Mar 2012 16:53:41 +0100
Subject: [PATCH]  * when an auth failure is detected and 'auth' is not
 present, we ask for credentials  * ... and repeat

---
 src/Composer/Repository/Vcs/SvnDriver.php | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/src/Composer/Repository/Vcs/SvnDriver.php b/src/Composer/Repository/Vcs/SvnDriver.php
index 6252fef37..380e565d0 100644
--- a/src/Composer/Repository/Vcs/SvnDriver.php
+++ b/src/Composer/Repository/Vcs/SvnDriver.php
@@ -72,6 +72,17 @@ class SvnDriver extends VcsDriver implements VcsDriverInterface
             $svnCommand,
             $output
         );
+        // this could be any failure, but let's see if it's auth related
+        if ($status == 1) {
+            if ($this->useAuth === false && strpos($output, 'authorization failed:') !== false) {
+                $this->svnUsername = $this->io->ask("What's your svn username?");
+                $this->svnPassword = $this->io->ask("What's your svn password?");
+                $this->useAuth     = true;
+
+                // restart the process
+                $output = $this->execute($command, $url);
+            }
+        }
         return $output;
     }