function drush_lib_fetch

6.x drush_lib_fetch($url)
5.x drush_lib_fetch($url)

Download and extract a tarball to the lib directory.

Checks for reported success, but callers should normally check for existence of specific expected file(s) in the library.


string $url: The URL to the library tarball.

Return value

boolean TRUE is the download and extraction reported success, FALSE otherwise.

2 calls to drush_lib_fetch()
drush_core_runserver_validate in commands/runserver/
Validate callback for runserver command.
drush_environment_table_lib in includes/


includes/, line 1078
The drush API implementation and helpers.


function drush_lib_fetch($url) {
  $lib = drush_get_option('lib', DRUSH_BASE_PATH . '/lib');
  if (!is_writable($lib)) {
    return drush_set_error('DRUSH_LIB_UNWRITABLE', dt("Drush needs to download a library from !url in order to function, and the attempt to download this file automatically failed because you do not have permission to write to the library directory !path. To continue you will need to manually download the package from !url, extract it, and copy the directory into your !path directory.", array('!path' => $lib, '!url' => $url)));

  $destination = $lib . '/drush-library-' . mt_rand();
  $path = drush_download_file($url, $destination);
  if (!$path) {
    return FALSE;
  return drush_tarball_extract($path);