From 983de81b1d940d1b4b44ccb210bd3c837e62e978 Mon Sep 17 00:00:00 2001
From: Jordi Boggiano <j.boggiano@seld.be>
Date: Tue, 10 Apr 2012 11:53:21 +0200
Subject: [PATCH] Force a redownload to source when updating from dist to dev
 package

---
 src/Composer/Downloader/DownloadManager.php | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/Composer/Downloader/DownloadManager.php b/src/Composer/Downloader/DownloadManager.php
index e1441f182..96daa0caf 100644
--- a/src/Composer/Downloader/DownloadManager.php
+++ b/src/Composer/Downloader/DownloadManager.php
@@ -164,6 +164,13 @@ class DownloadManager
             $targetType  = $target->getSourceType();
         }
 
+        // upgrading from a dist stable package to a dev package, force source reinstall
+        if ($target->isDev() && 'dist' === $installationSource) {
+            $downloader->remove($initial, $targetDir);
+            $this->download($target, $targetDir, 'source' === $installationSource);
+            return;
+        }
+
         if ($initialType === $targetType) {
             $target->setInstallationSource($installationSource);
             $downloader->update($initial, $target, $targetDir);