public static function getPatch(array $patch)
{
static $cache = array();
if (!isset($cache[$patch['url']])) {
if (!empty($patch['local'])) {
if (is_file($patch['url']) && filesize($patch['url'])) {
$cache[$patch['url']] = $patch['url'];
} else {
throw new Exception("Unable to read patch from local path {$patch['url']}.");
}
} elseif (drush_get_option('no-cache')) {
$temp_file = drush_tempnam('drush_patchfile_', NULL, '.patch');
$cache[$patch['url']] = static::downloadPatch($patch['url'], $temp_file);
} else {
$cache_file = drush_directory_cache('patchfile') . '/' . md5($patch['url']) . '.patch';
if (is_file($cache_file) && filectime($cache_file) > $_SERVER['REQUEST_TIME'] - DRUSH_CACHE_LIFETIME_DEFAULT) {
drush_log(dt('Remote patch URL @url fetched from cache file @cache.', array('@url' => $patch['url'], '@cache' => $cache_file)));
$cache[$patch['url']] = $cache_file;
} else {
$cache[$patch['url']] = static::downloadPatch($patch['url'], $cache_file);
}
}
}
return $cache[$patch['url']];
}
function cacheDirectory($bin = NULL)
{
$bin = $bin ? $bin : $this->bin;
return drush_directory_cache($bin);
}