[wp-trac] [WordPress Trac] #13800: Install/Upgrade crashes if 'upgrade' directory doesn't exist

[WordPress Trac]

#13800: Install/Upgrade crashes if 'upgrade' directory doesn't exist
--------------------------+-------------------------------------------------
 Reporter:  uppfinnarn    |       Owner:  westi     
     Type:  defect (bug)  |      Status:  new       
 Priority:  high          |   Milestone:  Unassigned
Component:  Plugins       |     Version:  3.0       
 Severity:  normal        |    Keywords:            
--------------------------+-------------------------------------------------
 If the directory 'wp-content/upgrade/' directory doesn't exist, all
 scripts involving installation or upgrading of components will fail with a
 message along the lines of
 {{{
 Downloading update from http://downloads.wordpress.org/plugin/all-in-one-
 seo-pack.zip…

 Unpacking the update…

 Could not create directory. /
 }}}

 This can be fixed by creating the directory manually, but the installation
 script should try creating the directory itself and if that's not possible
 it should actually tell the user what to do instead of crashing like that.
 I could probably fix this myself if I knew which file(s) this is in, maybe
 someone could tell me?

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Ticket URL: <http://core.trac.wordpress.org/ticket/13800>
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