function _update_refresh

Clears out all the cached available update data and initiates re-fetching.

File

modules/update/update.fetch.inc, line 204

Code

function _update_refresh() {
    module_load_include('inc', 'update', 'update.compare');
    // Since we're fetching new available update data, we want to clear
    // our cache of both the projects we care about, and the current update
    // status of the site. We do *not* want to clear the cache of available
    // releases just yet, since that data (even if it's stale) can be useful
    // during update_get_projects(); for example, to modules that implement
    // hook_system_info_alter() such as cvs_deploy.
    _update_cache_clear('update_project_projects');
    _update_cache_clear('update_project_data');
    $projects = update_get_projects();
    // Now that we have the list of projects, we should also clear our cache of
    // available release data, since even if we fail to fetch new data, we need
    // to clear out the stale data at this point.
    _update_cache_clear('available_releases::', TRUE);
    foreach ($projects as $key => $project) {
        update_create_fetch_task($project);
    }
}