[OSM-talk] caveat - potlatch overrides extern changes

Russ Nelson russ at cloudmade.com
Mon Jan 19 22:11:07 GMT 2009

On Jan 18, 2009, at 3:39 AM, Karl Eichwalder wrote:
> From time to time I use josm and potlatch more or less simultaniesly.
> If I upload data with josm, potlatch does not see these changes.
> potlatch seems to save its data more or less unconditionally; it does
> not warn the user that data changes took place externally.

Indeed.  Really, for locking reasons, this is something that the API  
should enforce.  An editor should be uploading "I changed this node  
from HERE to THERE" and if HERE is no longer true, the API should  
reject the upload with a conflict resolution request (of some sort ...  
details left for speculation by the reader).

(Maybe it already does this, and it isn't working properly for  
Potlatch for some reason.  I haven't looked at the source or the API  
docs for confirmation.)

Russ Nelson - http://community.cloudmade.com/blog - http://wiki.openstreetmap.com/User:RussNelson
russ at cloudmade.com - http://openstreetmap.org/user/RussNelson

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