Mark Phippard wrote:
> kfogel@newton.ch.collab.net wrote on 04/02/2004 08:02:35 AM:
>
>> "Chris Estes" <cestes@nexussystems.com> writes:
>>> I work for a shop that is using PVCS Version Manager and the entire
>>> development team refuses to switch from our expensive system to
>>> Subversion without locking. Labels are an integral part of our build
>>> system. I have my team lead asking me when Subversion will have
>>> locking, and I have developers griping about PVCS, but I can't
>>> switch them to PVCS until the features Mr. Nicholls lists are in
>>> Subversion. We are drifting towards other solutions (VSS, mainly)
>>> and I'm trying to hold back the tide. A definite roadmap that
>>> includes locking and labels would be a great help in actually
>>> TURNING that tide.
>>
>> We've heard from a few people that "labels" are crucial. Usually, we
>> svn developers get confused, and say "But we have labels -- our cheap
>> copies are the same as labels!"
>>
>> Now I'm getting the feeling that "labels" doesn't mean the same thing
>> to all people :-). Could you describe in some detail what they mean
>> to you and how you use them? Some concrete examples would be
>> great.
>>
>> Thanks,
>> -Karl
>>
>
> I often use labels in PVCS to store things like a bug number assoicated
> with the change. My plan for this in Subversion was to use properties,
> which I think is a potentially better solution anyway since I can name the
> property something meaningful that describes what the value means, where
> in PVCS I have some labels that are to tag versions and other that are bug
> numbers.
>
> One potential problem with this approach in Subversion is that I am not
> sure if properties are meant for this. For example, is there anyway to
> ask Subversion for all of the file revisions that contain a ceratain
> property value such as issue=1234?
Not currently, no. You can store the information as revision properties, but
currently you can only say "show me the value of property 'foo' on revision
'some-number'". You cannot say "show me all revision numbers where property
'foo' has value 'bar'". Modifiying subversion would be a possibility. This
operation would by O(n) with the number of revisions, unless some extra
database table was created.
Max.
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Received on Fri Apr 2 18:54:53 2004