[wp-trac] [WordPress Trac] #42963: Improve deletion of $_old_files during upgrades

[WordPress Trac]

#42963: Improve deletion of $_old_files during upgrades
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 Reporter:  joemcgill        |       Owner:  dd32
     Type:  enhancement      |      Status:  closed
 Priority:  normal           |   Milestone:  4.9.2
Component:  Upgrade/Install  |     Version:
 Severity:  normal           |  Resolution:  fixed
 Keywords:  has-patch        |     Focuses:
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Comment (by dd32):

 In [changeset:"42472"]:
 {{{
 #!CommitTicketReference repository="" revision="42472"
 Upgrade: When deleting old files, if deletion fails attempt to empty the
 file instead.

 Props joemcgill, dd32.
 Merges [42434] to the 4.2 branch.
 Fixes #42963 for 4.2.
 }}}

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Ticket URL: <https://core.trac.wordpress.org/ticket/42963#comment:12>
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