[wp-trac] [WordPress Trac] #11639: In core upgrader, replace the hard-coded required PHP/MySQL versions

[WordPress Trac]

#11639: In core upgrader, replace the hard-coded required PHP/MySQL versions
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 Reporter:  nacin            |       Owner:                         
     Type:  enhancement      |      Status:  new                    
 Priority:  normal           |   Milestone:  Unassigned             
Component:  Upgrade/Install  |     Version:                         
 Severity:  normal           |    Keywords:  has-patch needs-testing
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 Related: #11464... This originated there.

 wp-admin/includes/update-core.php, which gets copied over after download
 during an upgrade, has a new check in 2.9 to ensure that the MySQL and PHP
 versions are what is required by the downloaded version.

 Originally, a patch was committed that pulled in the downloaded
 version.php file to check what the new version required. (That patch also
 added the $required_mysql_version and $required_php_version globals.)

 This part got reverted because the include path wasn't right (and only
 coincidentally correct on the systems it was tested on before commit), and
 so for 2.9 the values were hard-coded.

 Attached is a patch that gets it right. It has been tested on an
 environment that would have failed the first time around.

 I have also attached a separate diff that includes the core hacks required
 to test this, as otherwise the downloaded update-core.php will replace
 your patched update-core.php.

 This patch fixes #11638 as well, but that fix belongs in 2.9.1.

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Ticket URL: <http://core.trac.wordpress.org/ticket/11639>
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