port renaming

[Kimmo Paasiala]

On Thu, Jul 16, 2015 at 8:23 PM, Vsevolod Stakhov
<vsevolod at highsecure.ru> wrote:
> On 16/07/2015 18:11, Henry Hu wrote:
>>
>>
>> On Thu, Jul 16, 2015 at 7:04 AM, Vsevolod Stakhov
>> <vsevolod at highsecure.ru <mailto:vsevolod at highsecure.ru>> wrote:
>>
>>     On Thu, Jul 16, 2015 at 2:56 PM, Anton Yuzhaninov <citrin at citrin.ru
>>     <mailto:citrin at citrin.ru>> wrote:
>>     >
>>     > Port maintainers and port commiters, when PORTNAME/PKGNAMEPREFIX/PKGNAMESUFFIX is changed, please note this change in commit log and for important ports also in /usr/ports/UPDATING. Any rename affect at leas some of FreeBSD users and
>>     >
>>     > Depends in our local ports was broken and I spent some time to figure out why.
>>     > It turns out, that PORTNAME for graphics/gd was changed in r324437.
>>     > No singe word about this rename was added to commit message or UPDATING...
>>
>>     From the perspective of pkg things are even worse, as pkg can no
>>     longer detect that the renamed package is a replacement for some
>>     existing one. It breaks many stuff and solver could hardly help to
>>     resolve this in a pain-less matter. We need something like 'Replace'
>>     or 'Obsolete' field badly. 'UPDATING' does NOT help to solve this task
>>     at all.
>>
>>
>> We already have the 'MOVED' file. Does it help?
>
> It doesn't because:
>
> 1) it is human readable and not very convenient for parsing;
> 2) we must keep this information on per-package basis and not globally;
> 3) many items are missing in MOVED (and I've recently missed one when
> changing a port, for example)
> 4) MOVED contains too many unnecessary information that is useful merely
> because we are using archaic version control system (namely, subversion)
>
> So the answer is no: we need a special field in manifests to make
> renaming transparent for pkg and, in turn, for users.
>
> --
> Vsevolod Stakhov


So basically you need a data structure in the pkg metadata that can
track all the previous origins for the port (not just the last because
ports might have multiple renames). That's quite a tall order I might
say.

-Kimmo