[wp-trac] [WordPress Trac] #51857: Add rollback for failed plugin/theme auto-updates

[WordPress Trac]

#51857: Add rollback for failed plugin/theme auto-updates
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 Reporter:  pbiron           |      Owner:  (none)
     Type:  enhancement      |     Status:  assigned
 Priority:  normal           |  Milestone:  5.7
Component:  Upgrade/Install  |    Version:
 Severity:  normal           |   Keywords:
  Focuses:                   |
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 When a core auto-update fails, core has long had the ability to
 automatically attempt a "rollback" to the latest stable release (in the
 branch that the site is running).  Note: for core auto-updates, "rollback"
 is not attempted for certain failures (e.g. "disk full", etc).

 This capability should be extended to be available for plugin and theme
 auto-updates.

 The current functionality for core rollbacks relies on the availability of
 a "rollback" package being returned by the Updates API.  It is unclear (to
 me, at this time) whether extending this functionality to plugins/themes
 will require changes to the API or not.

 **Important:** This ticket is **not** about backup/restore in case a site
 admin later determines that a `successful` plugin/theme update actually
 causes problem on a site!!!!  Rather it is about covering cases such as
 #51823, where a plugin/theme auto-update failure happens between the time
 the existing plugin/theme is deleted but before the new version
 successfully installed.

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Ticket URL: <https://core.trac.wordpress.org/ticket/51857>
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