[wp-trac] [WordPress Trac] #10611: Support Partial core upgrades

[WordPress Trac]

#10611: Support Partial core upgrades
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 Reporter:  dd32             |       Owner:  dd32          
     Type:  enhancement      |      Status:  new           
 Priority:  normal           |   Milestone:  Future Release
Component:  Upgrade/Install  |     Version:  2.9           
 Severity:  normal           |    Keywords:  dev-feedback  
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 It'd be nice that for point releases, Partial core upgrades were
 supported.

 Ie. Instead of copying 1,000 files, 999 of which are identical, only a
 single file is updated on the system.

 This could be done in a few ways.
  1. Zip archive only contains changed files
  1. The contents of the files in the zip and the local filesystem are
 compared before copying (Or even just the CRC32's)

 are the first 2 which come to mind.

 There'd also be a rather large speed up in terms of not writing temporary
 files to the filesystem first.. Which in itself, Takes a long time, and
 can make some upgrades take twice as long.. (but is needed)

 I'd be willing to work on the implementation of it as well.

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Ticket URL: <http://core.trac.wordpress.org/ticket/10611>
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