GitHub is a terrible upstream

[Pierre-Yves Chibon]

On Wed, 2012-06-13 at 11:45 -0600, Pete Zaitcev wrote:
> Suppose I cut a package last year:
>  swift3-1.0.0-878c23.tag.xz
> Then I build an RPM:
>  openstack-swift-plugin-swift3-1.0.0-878c23-1.fc17.noarch.rpm
> 
> Today I run the same git-archve and get:
>  swift3-1.0.0-5c74ba.tag.xz
>  openstack-swift-plugin-swift3-1.0.0-5c74ba-1.fc18.noarch.rpm
> 
> Great, how do I update from the old one to the new one? 

That's why the guidelines are saying:
  20110102snap
  20110102git
  20110102git9e88d7e
using the date as well as the git hash
http://fedoraproject.org/wiki/Packaging:NamingGuidelines#Release_Tag

Pierre