[wp-trac] [WordPress Trac] #10986: Useless continue link for upgrade page

[WordPress Trac]

#10986: Useless continue link for upgrade page
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 Reporter:  filosofo         |       Owner:  ryan                    
     Type:  defect (bug)     |      Status:  new                     
 Priority:  normal           |   Milestone:  3.0                     
Component:  Upgrade/Install  |     Version:  2.9                     
 Severity:  normal           |    Keywords:  has-patch upgrade backto
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 If you request the upgrade page directly, e.g. {{{site.com/wp-
 admin/upgrade.php}}}, then the "backto" argument is empty.  With current
 behavior, when backto is empty, WP sets the "continue" link to an empty
 string, which leads you to the same page you're already on.

 So the workflow ends up being:
  * request upgrade page
  * click "upgrade wp database" link
  * see "upgrade complete"; click "continue" link
  * see "no upgrade required"; click continue link
  * end on home page

 The fourth step is unnecessary and removed by the patch, which sets
 continue link to home when backto is empty.

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Ticket URL: <http://core.trac.wordpress.org/ticket/10986>
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