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Inline documentation for wp-admin/includes/class-wp-upgrader.php. 

Props kpdesign for some minor cleanup.
Fixes #27436.

Built from https://develop.svn.wordpress.org/trunk@27673


git-svn-id: http://core.svn.wordpress.org/trunk@27516 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
Drew Jaynes 2014-03-24 03:00:15 +00:00
parent 8efd225e4d
commit 0cee31065e
1 changed files with 155 additions and 46 deletions
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201
wp-admin/includes/class-wp-upgrader.php
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@ -113,9 +113,10 @@ class WP_Upgrader {
* *
* @since 3.7.0 * @since 3.7.0
* *
* @param bool $reply Whether to bail without returning the package. Default is false. * @param bool $reply Whether to bail without returning the package.
* @param string $package The package file name. * Default false.
* @param object $this The WP_Upgrader instance. * @param string $package The package file name.
* @param WP_Upgrader $this The WP_Upgrader instance.
*/ */
$reply = apply_filters( 'upgrader_pre_download', false, $package, $this ); $reply = apply_filters( 'upgrader_pre_download', false, $package, $this );
if ( false !== $reply ) if ( false !== $reply )
@ -198,7 +199,19 @@ class WP_Upgrader {
$this->skin->feedback('installing_package'); $this->skin->feedback('installing_package');
$res = apply_filters('upgrader_pre_install', true, $hook_extra); /**
* Filter the install response before the installation has started.
*
* Returning a truthy value, or one that could be evaluated as a WP_Error
* will effectively short-circuit the installation, returning that value
* instead.
*
* @since 2.8.0
*
* @param bool|WP_Error $response Response.
* @param array $hook_extra Extra arguments passed to hooked filters.
*/
$res = apply_filters( 'upgrader_pre_install', true, $hook_extra );
if ( is_wp_error($res) ) if ( is_wp_error($res) )
return $res; return $res;
@ -217,8 +230,16 @@ class WP_Upgrader {
else //It's only a single file, the upgrader will use the foldername of this file as the destination folder. foldername is based on zip filename. else //It's only a single file, the upgrader will use the foldername of this file as the destination folder. foldername is based on zip filename.
$source = trailingslashit($source); $source = trailingslashit($source);
//Hook ability to change the source file location.. /**
$source = apply_filters('upgrader_source_selection', $source, $remote_source, $this); * Filter the source file location for the upgrade package.
*
* @since 2.8.0
*
* @param string $source File source location.
* @param string $remote_source Remove file source location.
* @param WP_Upgrader $this WP_Upgrader instance.
*/
$source = apply_filters( 'upgrader_source_selection', $source, $remote_source, $this );
if ( is_wp_error($source) ) if ( is_wp_error($source) )
return $source; return $source;
@ -243,7 +264,18 @@ class WP_Upgrader {
$removed = true; $removed = true;
if ( $wp_filesystem->exists($remote_destination) ) if ( $wp_filesystem->exists($remote_destination) )
$removed = $wp_filesystem->delete($remote_destination, true); $removed = $wp_filesystem->delete($remote_destination, true);
$removed = apply_filters('upgrader_clear_destination', $removed, $local_destination, $remote_destination, $hook_extra);
/**
* Filter whether the upgrader cleared the destination.
*
* @since 2.8.0
*
* @param bool $removed Whether the destination was cleared.
* @param string $local_destination The local package destination.
* @param string $remote_destination The remote package destination.
* @param array $hook_extra Extra arguments passed to hooked filters.
*/
$removed = apply_filters( 'upgrader_clear_destination', $removed, $local_destination, $remote_destination, $hook_extra );
if ( is_wp_error($removed) ) if ( is_wp_error($removed) )
return $removed; return $removed;
@ -282,7 +314,17 @@ class WP_Upgrader {
$this->result = compact('local_source', 'source', 'source_name', 'source_files', 'destination', 'destination_name', 'local_destination', 'remote_destination', 'clear_destination', 'delete_source_dir'); $this->result = compact('local_source', 'source', 'source_name', 'source_files', 'destination', 'destination_name', 'local_destination', 'remote_destination', 'clear_destination', 'delete_source_dir');
$res = apply_filters('upgrader_post_install', true, $hook_extra, $this->result); /**
* Filter the install response after the installation has finished.
*
* @since 2.8.0
*
* @param bool $response Install response.
* @param array $hook_extra Extra arguments passed to hooked filters.
* @param array $result Installation result data.
*/
$res = apply_filters( 'upgrader_post_install', true, $hook_extra, $this->result );
if ( is_wp_error($res) ) { if ( is_wp_error($res) ) {
$this->result = $res; $this->result = $res;
return $res; return $res;
@ -373,6 +415,8 @@ class WP_Upgrader {
$this->skin->after(); $this->skin->after();
if ( ! $is_multi ) { if ( ! $is_multi ) {
/** This action is documented in wp-admin/includes/class-wp-upgrader.php */
do_action( 'upgrader_process_complete', $this, $hook_extra ); do_action( 'upgrader_process_complete', $this, $hook_extra );
$this->skin->footer(); $this->skin->footer();
} }
@ -593,6 +637,22 @@ class Plugin_Upgrader extends WP_Upgrader {
$this->maintenance_mode(false); $this->maintenance_mode(false);
/**
* Fires when the bulk upgrader process is complete.
*
* @since 3.6.0
*
* @param Plugin_Upgrader $this Plugin_Upgrader instance. In other contexts, $this, might
* be a Theme_Upgrader or Core_Upgrade instance.
* @param array $data {
* Array of bulk item update data.
*
* @type string $action Type of action. Default 'update'.
* @type string $type Type of update process. Accepts 'plugin', 'theme', or 'core'.
* @type bool $bulk Whether the update process is a bulk update. Default true.
* @type array $packages Array of plugin, theme, or core packages to update.
* }
*/
do_action( 'upgrader_process_complete', $this, array( do_action( 'upgrader_process_complete', $this, array(
'action' => 'update', 'action' => 'update',
'type' => 'plugin', 'type' => 'plugin',
@ -976,6 +1036,7 @@ class Theme_Upgrader extends WP_Upgrader {
$this->maintenance_mode(false); $this->maintenance_mode(false);
/** This action is documented in wp-admin/includes/class-wp-upgrader.php */
do_action( 'upgrader_process_complete', $this, array( do_action( 'upgrader_process_complete', $this, array(
'action' => 'update', 'action' => 'update',
'type' => 'theme', 'type' => 'theme',
@ -1346,10 +1407,12 @@ class Core_Upgrader extends WP_Upgrader {
elseif ( $parsed_args['pre_check_md5'] && ! $this->check_files() ) elseif ( $parsed_args['pre_check_md5'] && ! $this->check_files() )
$partial = false; $partial = false;
// If partial update is returned from the API, use that, unless we're doing a reinstall. /*
// If we cross the new_bundled version number, then use the new_bundled zip. * If partial update is returned from the API, use that, unless we're doing
// Don't though if the constant is set to skip bundled items. * a reinstall. If we cross the new_bundled version number, then use
// If the API returns a no_content zip, go with it. Finally, default to the full zip. * the new_bundled zip. Don't though if the constant is set to skip bundled items.
* If the API returns a no_content zip, go with it. Finally, default to the full zip.
*/
if ( $parsed_args['do_rollback'] && $current->packages->rollback ) if ( $parsed_args['do_rollback'] && $current->packages->rollback )
$to_download = 'rollback'; $to_download = 'rollback';
elseif ( $current->packages->partial && 'reinstall' != $current->response && $wp_version == $current->partial_version && $partial ) elseif ( $current->packages->partial && 'reinstall' != $current->response && $wp_version == $current->partial_version && $partial )
@ -1403,6 +1466,7 @@ class Core_Upgrader extends WP_Upgrader {
if ( $try_rollback ) { if ( $try_rollback ) {
/** This filter is documented in wp-admin/includes/update-core.php */ /** This filter is documented in wp-admin/includes/update-core.php */
apply_filters( 'update_feedback', $result ); apply_filters( 'update_feedback', $result );
/** This filter is documented in wp-admin/includes/update-core.php */ /** This filter is documented in wp-admin/includes/update-core.php */
apply_filters( 'update_feedback', $this->strings['start_rollback'] ); apply_filters( 'update_feedback', $this->strings['start_rollback'] );
@ -1413,6 +1477,7 @@ class Core_Upgrader extends WP_Upgrader {
} }
} }
/** This action is documented in wp-admin/includes/class-wp-upgrader.php */
do_action( 'upgrader_process_complete', $this, array( 'action' => 'update', 'type' => 'core' ) ); do_action( 'upgrader_process_complete', $this, array( 'action' => 'update', 'type' => 'core' ) );
// Clear the current updates // Clear the current updates
@ -1508,18 +1573,45 @@ class Core_Upgrader extends WP_Upgrader {
// 3: 3.7-alpha-25000 -> 3.7-alpha-25678 -> 3.7-beta1 -> 3.7-beta2 // 3: 3.7-alpha-25000 -> 3.7-alpha-25678 -> 3.7-beta1 -> 3.7-beta2
if ( $current_is_development_version ) { if ( $current_is_development_version ) {
/**
* Filter whether to enable automatic core updates for development versions.
*
* @since 3.7.0
*
* @param bool $upgrade_dev Whether to enable automatic updates for
* development versions.
*/
if ( ! apply_filters( 'allow_dev_auto_core_updates', $upgrade_dev ) ) if ( ! apply_filters( 'allow_dev_auto_core_updates', $upgrade_dev ) )
return false; return false;
// else fall through to minor + major branches below // else fall through to minor + major branches below
} }
// 4: Minor In-branch updates (3.7.0 -> 3.7.1 -> 3.7.2 -> 3.7.4) // 4: Minor In-branch updates (3.7.0 -> 3.7.1 -> 3.7.2 -> 3.7.4)
if ( $current_branch == $new_branch ) if ( $current_branch == $new_branch ) {
/**
* Filter whether to enable minor automatic core updates.
*
* @since 3.7.0
*
* @param bool $upgrade_minor Whether to enable minor automatic core updates.
*/
return apply_filters( 'allow_minor_auto_core_updates', $upgrade_minor ); return apply_filters( 'allow_minor_auto_core_updates', $upgrade_minor );
}
// 5: Major version updates (3.7.0 -> 3.8.0 -> 3.9.1) // 5: Major version updates (3.7.0 -> 3.8.0 -> 3.9.1)
if ( version_compare( $new_branch, $current_branch, '>' ) ) if ( version_compare( $new_branch, $current_branch, '>' ) ) {
/**
* Filter whether to enable major automatic core updates.
*
* @since 3.7.0
*
* @param bool $upgrade_major Whether to enable major automatic core updates.
*/
return apply_filters( 'allow_major_auto_core_updates', $upgrade_major ); return apply_filters( 'allow_major_auto_core_updates', $upgrade_major );
}
// If we're not sure, we don't want it // If we're not sure, we don't want it
return false; return false;
@ -1660,6 +1752,7 @@ class WP_Automatic_Updater {
* This also disables update notification emails. That may change in the future. * This also disables update notification emails. That may change in the future.
* *
* @since 3.7.0 * @since 3.7.0
*
* @param bool $disabled Whether the updater should be disabled. * @param bool $disabled Whether the updater should be disabled.
*/ */
return apply_filters( 'automatic_updater_disabled', $disabled ); return apply_filters( 'automatic_updater_disabled', $disabled );
@ -1713,13 +1806,15 @@ class WP_Automatic_Updater {
} }
/** /**
* Filter whether the automatic updater should consider a filesystem location to be potentially * Filter whether the automatic updater should consider a filesystem
* managed by a version control system. * location to be potentially managed by a version control system.
* *
* @since 3.7.0 * @since 3.7.0
* *
* @param bool $checkout Whether a VCS checkout was discovered at $context or ABSPATH, or anywhere higher. * @param bool $checkout Whether a VCS checkout was discovered at $context
* @param string $context The filesystem context (a path) against which filesystem status should be checked. * or ABSPATH, or anywhere higher.
* @param string $context The filesystem context (a path) against which
* filesystem status should be checked.
*/ */
return apply_filters( 'automatic_updates_is_vcs_checkout', $checkout, $context ); return apply_filters( 'automatic_updates_is_vcs_checkout', $checkout, $context );
} }
@ -1729,10 +1824,11 @@ class WP_Automatic_Updater {
* *
* @since 3.7.0 * @since 3.7.0
* *
* @param string $type The type of update being checked: 'core', 'theme', 'plugin', 'translation'. * @param string $type The type of update being checked: 'core', 'theme',
* 'plugin', 'translation'.
* @param object $item The update offer. * @param object $item The update offer.
* @param string $context The filesystem context (a path) against which filesystem access and status * @param string $context The filesystem context (a path) against which filesystem
* should be checked. * access and status should be checked.
*/ */
public function should_update( $type, $item, $context ) { public function should_update( $type, $item, $context ) {
// Used to see if WP_Filesystem is set up to allow unattended updates. // Used to see if WP_Filesystem is set up to allow unattended updates.
@ -1760,11 +1856,13 @@ class WP_Automatic_Updater {
* The dynamic portion of the hook name, $type, refers to the type of update * The dynamic portion of the hook name, $type, refers to the type of update
* being checked. Can be 'core', 'theme', 'plugin', or 'translation'. * being checked. Can be 'core', 'theme', 'plugin', or 'translation'.
* *
* Generally speaking, plugins, themes, and major core versions are not updated by default, * Generally speaking, plugins, themes, and major core versions are not updated
* while translations and minor and development versions for core are updated by default. * by default, while translations and minor and development versions for core
* are updated by default.
* *
* See the filters allow_dev_auto_core_updates, allow_minor_auto_core_updates, and * See the allow_dev_auto_core_updates, allow_minor_auto_core_updates, and
* allow_major_auto_core_updates more straightforward filters to adjust core updates. * allow_major_auto_core_updates filters for a more straightforward way to
* adjust core updates.
* *
* @since 3.7.0 * @since 3.7.0
* *
@ -1815,20 +1913,23 @@ class WP_Automatic_Updater {
$notify = ! empty( $item->notify_email ); $notify = ! empty( $item->notify_email );
/** /**
* Whether to notify the site administrator of a new core update. * Filter whether to notify the site administrator of a new core update.
* *
* By default, administrators are notified when the update offer received from WordPress.org * By default, administrators are notified when the update offer received
* sets a particular flag. This allows for discretion in if and when to notify. * from WordPress.org sets a particular flag. This allows some discretion
* in if and when to notify.
* *
* This filter only fires once per release -- if the same email address was already * This filter is only evaluated once per release. If the same email address
* notified of the same new version, we won't repeatedly email the administrator. * was already notified of the same new version, WordPress won't repeatedly
* email the administrator.
* *
* This filter is also used on about.php to check if a plugin has disabled these notifications. * This filter is also used on about.php to check if a plugin has disabled
* these notifications.
* *
* @since 3.7.0 * @since 3.7.0
* *
* @param bool $notify Whether the site administrator is notified. * @param bool $notify Whether the site administrator is notified.
* @param object $item The update offer. * @param object $item The update offer.
*/ */
if ( ! apply_filters( 'send_core_update_notification_email', $notify, $item ) ) if ( ! apply_filters( 'send_core_update_notification_email', $notify, $item ) )
return false; return false;
@ -2020,11 +2121,14 @@ class WP_Automatic_Updater {
// Send debugging email to all development installs. // Send debugging email to all development installs.
if ( ! empty( $this->update_results ) ) { if ( ! empty( $this->update_results ) ) {
$development_version = false !== strpos( $wp_version, '-' ); $development_version = false !== strpos( $wp_version, '-' );
/** /**
* Filter whether to send a debugging email for each automatic background update. * Filter whether to send a debugging email for each automatic background update.
* *
* @since 3.7.0 * @since 3.7.0
* @param bool $development_version By default, emails are sent if the install is a development version. *
* @param bool $development_version By default, emails are sent if the
* install is a development version.
* Return false to avoid the email. * Return false to avoid the email.
*/ */
if ( apply_filters( 'automatic_updates_send_debug_email', $development_version ) ) if ( apply_filters( 'automatic_updates_send_debug_email', $development_version ) )
@ -2034,12 +2138,12 @@ class WP_Automatic_Updater {
$this->after_core_update( $this->update_results['core'][0] ); $this->after_core_update( $this->update_results['core'][0] );
/** /**
* Action triggered after all automatic updates have run. * Fires after all automatic updates have run.
* *
* @since 3.8.0 * @since 3.8.0
* *
* @param array $update_results The results of all attempted updates. * @param array $update_results The results of all attempted updates.
*/ */
do_action( 'automatic_updates_complete', $this->update_results ); do_action( 'automatic_updates_complete', $this->update_results );
} }
@ -2162,7 +2266,8 @@ class WP_Automatic_Updater {
* @since 3.7.0 * @since 3.7.0
* *
* @param bool $send Whether to send the email. Default true. * @param bool $send Whether to send the email. Default true.
* @param string $type The type of email to send. Can be one of 'success', 'fail', 'critical'. * @param string $type The type of email to send. Can be one of
* 'success', 'fail', 'critical'.
* @param object $core_update The update offer that was attempted. * @param object $core_update The update offer that was attempted.
* @param mixed $result The result for the core update. Can be WP_Error. * @param mixed $result The result for the core update. Can be WP_Error.
*/ */
@ -2293,6 +2398,7 @@ class WP_Automatic_Updater {
$headers = ''; $headers = '';
$email = compact( 'to', 'subject', 'body', 'headers' ); $email = compact( 'to', 'subject', 'body', 'headers' );
/** /**
* Filter the email sent following an automatic background core update. * Filter the email sent following an automatic background core update.
* *
@ -2301,12 +2407,14 @@ class WP_Automatic_Updater {
* @param array $email { * @param array $email {
* Array of email arguments that will be passed to wp_mail(). * Array of email arguments that will be passed to wp_mail().
* *
* @type string $to The email recipient. An array of emails can be returned, as handled by wp_mail(). * @type string $to The email recipient. An array of emails
* can be returned, as handled by wp_mail().
* @type string $subject The email's subject. * @type string $subject The email's subject.
* @type string $body The email message body. * @type string $body The email message body.
* @type string $headers Any email headers, defaults to no headers. * @type string $headers Any email headers, defaults to no headers.
* } * }
* @param string $type The type of email being sent. Can be one of 'success', 'fail', 'manual', 'critical'. * @param string $type The type of email being sent. Can be one of
* 'success', 'fail', 'manual', 'critical'.
* @param object $core_update The update offer that was attempted. * @param object $core_update The update offer that was attempted.
* @param mixed $result The result for the core update. Can be WP_Error. * @param mixed $result The result for the core update. Can be WP_Error.
*/ */
@ -2443,15 +2551,16 @@ Thanks! -- The WordPress Team" );
); );
/** /**
* Filter the debug email that can be sent following an automatic background core update. * Filter the debug email that can be sent following an automatic
* background core update.
* *
* @since 3.8.0 * @since 3.8.0
* *
* @param array $email { * @param array $email {
* Array of email arguments that will be passed to wp_mail(). * Array of email arguments that will be passed to wp_mail().
* *
* @type string $to The email recipient. An array of emails can be returned, * @type string $to The email recipient. An array of emails
* as handled by wp_mail(). * can be returned, as handled by wp_mail().
* @type string $subject Email subject. * @type string $subject Email subject.
* @type string $body Email message body. * @type string $body Email message body.
* @type string $headers Any email headers. Default empty. * @type string $headers Any email headers. Default empty.