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Auto updates: Only attempt a roll back when we've hit a critical error code.

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Specifically, this means when we've failed in copying files.

see #22704.


git-svn-id: https://develop.svn.wordpress.org/trunk@25777 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Andrew Nacin 2013-10-14 21:02:46 +00:00
parent b8efab15d8
commit d6a1b681d3
1 changed files with 21 additions and 7 deletions
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28
src/wp-admin/includes/class-wp-upgrader.php
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@ -159,7 +159,7 @@ class WP_Upgrader {
$wp_filesystem->delete($working_dir, true);
// Unzip package to working directory
$result = unzip_file($package, $working_dir); //TODO optimizations, Copy when Move/Rename would suffice?
$result = unzip_file( $package, $working_dir );
// Once extracted, delete the package if required.
if ( $delete_package )
@ -1298,15 +1298,29 @@ class Core_Upgrader extends WP_Upgrader {
$result = update_core( $working_dir, $wp_dir );
// In the event of an error, rollback to the previous version
if ( is_wp_error( $result ) && $parsed_args['attempt_rollback'] && $current->packages->rollback && ! $parsed_args['do_rollback'] ) {
apply_filters( 'update_feedback', $result );
apply_filters( 'update_feedback', $this->strings['start_rollback'] );
// In the event of an issue, we may be able to roll back.
if ( $parsed_args['attempt_rollback'] && $current->packages->rollback && ! $parsed_args['do_rollback'] ) {
$try_rollback = false;
if ( is_wp_error( $result ) ) {
$error_code = $result->get_error_code();
// Not all errors are equal. These codes are critical: copy_failed__copy_dir,
// mkdir_failed__copy_dir, copy_failed__copy_dir_retry, and disk_full.
if ( false !== strpos( $error_code, '__copy_dir' ) )
$try_rollback = true;
elseif ( 'disk_full' === $error_code )
$try_rollback = true;
}
$rollback_result = $this->upgrade( $current, array_merge( $parsed_args, array( 'do_rollback' => true ) ) );
if ( $try_rollback ) {
apply_filters( 'update_feedback', $result );
apply_filters( 'update_feedback', $this->strings['start_rollback'] );
$result = new WP_Error( 'rollback_was_required', $this->strings['rollback_was_required'], array( 'rollback' => $rollback_result, 'update' => $result ) );
$rollback_result = $this->upgrade( $current, array_merge( $parsed_args, array( 'do_rollback' => true ) ) );
$result = new WP_Error( 'rollback_was_required', $this->strings['rollback_was_required'], array( 'rollback' => $rollback_result, 'update' => $result ) );
}
}
do_action( 'upgrader_process_complete', $this, array( 'action' => 'update', 'type' => 'core' ), $result );
return $result;
}