function update_manager_archive_extract

Same name in other branches
  1. 9 core/modules/update/update.manager.inc \update_manager_archive_extract()
  2. 8.9.x core/modules/update/update.manager.inc \update_manager_archive_extract()
  3. 10 core/modules/update/update.manager.inc \update_manager_archive_extract()
  4. 11.x core/modules/update/update.manager.inc \update_manager_archive_extract()

Unpacks a downloaded archive file.

Parameters

string $file: The filename of the archive you wish to extract.

string $directory: The directory you wish to extract the archive into.

Return value

Archiver The Archiver object used to extract the archive.

Throws

Exception

Related topics

2 calls to update_manager_archive_extract()
update_manager_batch_project_get in modules/update/update.manager.inc
Implements callback_batch_operation().
update_manager_install_form_submit in modules/update/update.manager.inc
Form submission handler for update_manager_install_form().

File

modules/update/update.manager.inc, line 775

Code

function update_manager_archive_extract($file, $directory) {
    $archiver = archiver_get_archiver($file);
    if (!$archiver) {
        throw new Exception(t('Cannot extract %file, not a valid archive.', array(
            '%file' => $file,
        )));
    }
    // Remove the directory if it exists, otherwise it might contain a mixture of
    // old files mixed with the new files (e.g. in cases where files were removed
    // from a later release).
    $files = $archiver->listContents();
    // Unfortunately, we can only use the directory name to determine the project
    // name. Some archivers list the first file as the directory (i.e., MODULE/)
    // and others list an actual file (i.e., MODULE/README.TXT).
    $project = strtok($files[0], '/\\');
    $extract_location = $directory . '/' . $project;
    if (file_exists($extract_location)) {
        file_unmanaged_delete_recursive($extract_location);
    }
    $archiver->extract($directory);
    return $archiver;
}

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