[wp-trac] [WordPress Trac] #57386: Add filter to WP_Upgrader::install_package for copy_dir()

[WordPress Trac]

#57386: Add filter to WP_Upgrader::install_package for copy_dir()
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 Reporter:  afragen                 |       Owner:  (none)
     Type:  feature request         |      Status:  reopened
 Priority:  normal                  |   Milestone:  6.2
Component:  Upgrade/Install         |     Version:  trunk
 Severity:  normal                  |  Resolution:
 Keywords:  has-patch dev-feedback  |     Focuses:  performance
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Comment (by SergeyBiryukov):

 In [changeset:"55055" 55055]:
 {{{
 #!CommitTicketReference repository="" revision="55055"
 Upgrade/Install: Revert a temporary conditional for testing the Rollbacks
 feature project.

 The [https://make.wordpress.org/core/2021/02/19/feature-plugin-rollback-
 update-failure/ Rollback Update Failure feature project] has been split
 into two plugins for testing:
  * [https://github.com/afragen/faster-updates Faster Updates] speeds up
 plugin or theme updates by moving files rather than copying them, thus
 decreasing the memory usage and reducing the chance of timeouts or running
 out of disk space during updates.
  * [https://wordpress.org/plugins/rollback-update-failure/ Rollback Update
 Failure] creates a temporary backup of plugins and themes before updating.
 This aims to make the update process more reliable and ensure that if a
 plugin or theme update fails, the previous version can be safely restored.

 The current priority of the feature project is to test the new
 `move_dir()` function, which offers better performance than `copy_dir()`.
 Instead of copying a directory in a recursive manner file by file from one
 location to another, `move_dir()` uses the `rename()` PHP function to
 speed up the process, which is instrumental in updating large plugins
 without a delay. If the renaming failed, it falls back to the `copy_dir()`
 WP function.

 The `move_dir()` function is self-contained in the Faster Updates plugin
 and does not require any special hooks in core, so the conditional
 previously added to `WP_Upgrader::install_package()` to facilitate testing
 is no longer needed and can be removed.

 Follow-up to [53578], [54484], [54643].

 Props afragen, costdev, peterwilsoncc.
 See #56057, #57375, #57386.
 }}}

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Ticket URL: <https://core.trac.wordpress.org/ticket/57386#comment:34>
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