joomla/joomla-platform — pull request #888 by chdemko (2012-02-18 17:34:51+00:00)
Title: Implement a file patcher

This could be used in the updater for patching files. Use is:

$patcher = JFilesystemPatcher::getInstance();
$patcher->add($udiff);
$patcher->addFile($diff_file);
$patcher->apply();