Update site from core dev to stable

Question

Using advice from Drush: Update core from stable to dev I ran drush up drupal-7.x in order to switch from 7.7 to 7.x-dev.

However I'm now in the position whereby I want to move the project back to 7.8, however I don't seem to be able to figure out how to do this. I've tried:

drush up drupal-7.8

Which produces:

 Name         Installed version  Proposed version  Status
 Drupal core  7.x-dev            7.x-dev           Specified version available

So it appears to understand I'm asking for a new version, but following this through just updates the site to the latest 7.x-dev.

Answer 1

You could hack the includes/bootstrap.inc file The very first line of code will be something like:

define('VERSION', '7.11-dev');

Set it to 7.7, and drush should accept that 7.8 is a never release. I know that hacking core is strongly discouraged, but since the upgrade itself will remove the hack, I think it's more than ok.

Answer 2

You probably need to upgrade to a version of Drush that is at least 7.x-4.5 so that you don't run into Specifying the version to update a module doesn't work in d7.

Answer 3

Long story short, it doesn't look like you can. I think the basic reasoning is that dev is generally always going to be newer that the latest stable release and that would be a Drupal downgrade, which is not possible through Drush.

Basically, if you want to do it...you'll have to do it manually :(.

See here.