[Mailman-Users] Downgrade options/alternatives

[Mark Sapiro]

On 11/12/15 10:14 AM, Montanez, Victor wrote:
> 
> Hello,
> 
> I have done a successful upgrade from Mailman version 2.1.16 to 2.1.20 successfully. I am now testing the downgrade (In case some issue comes up and I have to rollback) and it seemed to have gone okay for the most part.
> 
> At the of the end of the downgrade I get the following message(which I have googled around but no real alternative given).
> 
> 
> Error:
> Compiling  i18n.py ...
> 
> Compiling versions.py ...
> 
> Downgrade detected, from version 0x20114f0 to version 0x20110f0
> 
> This is probably not safe.
> 
> Exiting.
> 
> make: *** [update] Error 1
> 
> 
> 
> I understand is a downgrade, that is what I want to do. But it looks like "downgrading" isn't really supported in Mailman. What is a recommended alternative for having a way to go back to previous Mailman version?


Actually, you did do the downgrade. Only the final running of Mailman's
bin/upgrade did not succeed. You can run it with the -f or --force
option to make it succeed, but it won't do anything anyway except maybe
update Mailman's data/last_mailman_version. See 'bin/upgrade --help'.

-- 
Mark Sapiro <mark at msapiro.net>        The highway is for gamblers,
San Francisco Bay Area, California    better use your sense - B. Dylan