[wp-trac] [WordPress Trac] #27938: Restore This Autosave does not work for custom post types that don't support 'revisions'

[WordPress Trac]

#27938: Restore This Autosave does not work for custom post types that don't
support 'revisions'
--------------------------+-----------------------------
 Reporter:  bobbingwide   |      Owner:
     Type:  defect (bug)  |     Status:  new
 Priority:  normal        |  Milestone:  Awaiting Review
Component:  Revisions     |    Version:  3.8
 Severity:  normal        |   Keywords:
  Focuses:                |
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 If you have a custom post type that doesn't support revisions but you
 manage to create an autosave which is more recent than the current version
 then you get offered the opportunity to restore it, but the restore action
 doesn't complete. You end up in an annoying(*) loop.


 Expected result: CPT restored to the autosave.
 Actual result: Redirected to edit.php for the CPT

 Steps to create the problem.
 1. Ensure your CPT doesn't support 'revisions'
 2. Create a new post and publish it
 3. Create an update but don't publish it... just let it autosave
 4. When you see the "Draft saved" message just quit
 5. Edit the post again.
 6. You will be shown the message:
 There is an autosave of this post that is more recent than the version
 below.
 7. Click on the View the autosave link
 8. Click on Restore This Autosave button
 9. End up at the list of posts for this CPT.
 10. go to step 5.


 Introduced by: #23497, change 23769

 Note:
 Fixing this bug by simply reinstating the test on !wp_is_post_autosave(
 $revision ) leads to #27244 being applicable.
 In my opinion, this follow on problem is preferable to the current
 behaviour.

 Workaround for developers:
 Define 'revisions' support for your CPTs... especially those which support
 'editor'.

 (*) What's annoying is that you get to see the autosaved version but it's
 not just a simple case of copying and pasting the text since the two
 versions get merged.

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Ticket URL: <https://core.trac.wordpress.org/ticket/27938>
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