Difference between uninstalled and deactivated ?

[Chris Jones]

>> Hi,

>> I've just noticed something the perhaps someone can explain to me.
>> Whenever I run 'sudo port upgrade outpdated', and a port gets  
>> upgraded,
>> the old port is first deactivated before the new one is installed and
>> activated. But the old port is never uninstalled ? What does this  
>> mean ?
>> Does it mean over time my system will slowly fill up with old unused
>> versions of ports ?
>
> Yes, that's exactly what it means. This is a design decision which
> allows you to roll back to an older version if there are problems with
> the new one.

Thanks for the clarification. Makes sense I guess.

>
>
>> Should I worry about uninstalling the _0 and _1 ports ? If so, is  
>> there
>> some way I can get this done automatically while upgrading ?
>
> You can uninstall older versions with `sudo port uninstall name
> @version` (just copy & paste the name and version from the output of
> `port installed`). Or you can uninstall all inactive versions at once
> with `sudo port uninstall inactive`.

Ah. Thats the command I was looking for but didn't know it !

>
>
> If you wish, you can use the -u option when upgrading to immediately
> uninstall the old versions after installing the new ones.

Thanks. I guess it makes sense though to check a new port works before  
uninstalling the old one.

cheers Chris
>
>
> Reference:
> <http://guide.macports.org/#using.port.upgrade>
>
> - Josh