[wp-trac] [WordPress Trac] #12931: Upgrading a Single Site install to MultiSite Install with Subdirs is not safe

[WordPress Trac]

#12931: Upgrading a Single Site install to MultiSite Install with Subdirs is not
safe
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 Reporter:  nacin         |       Owner:  nacin      
     Type:  defect (bug)  |      Status:  accepted   
 Priority:  high          |   Milestone:  3.0        
Component:  Multisite     |     Version:  3.0        
 Severity:  blocker       |    Keywords:  needs-patch
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Comment(by nacin):

 > If the site is less than a month old, some people may have to update a
 link or two, but they will get over it.

 But they need to *know* fully that they are changing their blog. They need
 to confirm their actions in the opt-in affirmative. My proposal is that
 they should be required to add a filter in that case. If they can't add a
 filter, it's the same deal with constants -- then they shouldn't be
 running multisite in 3.0.

 I am quite literally proposing that if it is not a completely empty
 install, then they may not install subdirectories, unless they trash all
 of their posts or add a filter.

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Ticket URL: <http://core.trac.wordpress.org/ticket/12931#comment:14>
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