[Fedora-packaging] Using of date in snapshot versions

[Tom "spot" Callaway]

On Fri, 2007-04-13 at 13:58 -0700, Toshio Kuratomi wrote:
> foo-1.0-0.2.20061005cvs
> bar-1.0-0.2.512svn
> baz-1.0-0.3.123bzr
> spam-1.0-0.3.171hg
> ham-1.0-0.4.20070121git 

My thoughts on this are pretty simple:

All checkout packages are either pre or post:

Pre:

%{name}-%{version}-0.1.%{alphatag}

Post:

%{name}-%{version}-1.%{alphatag}

%{alphatag} contains either the revision integer or the date of the
checkout, followed by the revision type id:

 RCS         ID      Format
=====       ====    ========
CVS         cvs     date
Subversion  svn     revision int
Bazaar      bzr     revision int
Git         git     date
Mercurial   hg      revision int

If the Revision Control System uses simple, integer revisions, use that.
If not, use the date of checkout. Revisionids and hashes are not
permitted.

~spot