/**
* Check that a command has its declared dependencies available or have no
* dependencies.
*
* @param $command
* Command to check. Any errors will be added to the 'bootstrap_errors' element.
*
* @return
* TRUE if command is valid.
*/
function drush_enforce_requirement_drupal_dependencies(&$command)
{
// If the command bootstrap is DRUSH_BOOTSTRAP_MAX, then we will
// allow the requirements to pass if we have not successfully
// bootstrapped Drupal. The combination of DRUSH_BOOTSTRAP_MAX
// and 'drupal dependencies' indicates that the drush command
// will use the dependent modules only if they are available.
if ($command['bootstrap'] == DRUSH_BOOTSTRAP_MAX) {
// If we have not bootstrapped, then let the dependencies pass;
// if we have bootstrapped, then enforce them.
if (drush_get_context('DRUSH_BOOTSTRAP_PHASE') < DRUSH_BOOTSTRAP_DRUPAL_FULL) {
return TRUE;
}
}
// If there are no drupal dependencies, then do nothing
if (!empty($command['drupal dependencies'])) {
foreach ($command['drupal dependencies'] as $dependency) {
drush_include_engine('drupal', 'environment');
if (!drush_module_exists($dependency)) {
$command['bootstrap_errors']['DRUSH_COMMAND_DEPENDENCY_ERROR'] = dt('Command !command needs the following modules installed/enabled to run: !dependencies.', array('!command' => $command['command'], '!dependencies' => implode(', ', $command['drupal dependencies'])));
return FALSE;
}
}
}
return TRUE;
}
/**
* Automatically download project dependencies at pm-enable time.
*
* Use a pre-pm_enable hook to download before your module is enabled,
* or a post-pm_enable hook (drush_hook_post_pm_enable) to run after
* your module is enabled.
*
* Your hook will be called every time pm-enable is executed; you should
* only download dependencies when your module is being enabled. Respect
* the --skip flag, and take no action if it is present.
*/
function drush_hook_pre_pm_enable()
{
// Get the list of modules being enabled; only download dependencies if our
// module name appears in the list.
$modules = drush_get_context('PM_ENABLE_MODULES');
if (in_array('hook', $modules) && !drush_get_option('skip')) {
$url = 'http://server.com/path/MyLibraryName.tgz';
$path = drush_get_context('DRUSH_DRUPAL_ROOT');
drush_include_engine('drupal', 'environment');
if (drush_module_exists('libraries')) {
$path .= '/' . libraries_get_path('MyLibraryName') . '/MyLibraryName.tgz';
} else {
$path .= '/' . drupal_get_path('module', 'hook') . '/MyLibraryName.tgz';
}
drush_download_file($url, $path) && drush_tarball_extract($path);
}
}
