On Friday 13 April 2007, Jesse Keating wrote:
But the date of the checkin to who's branch, or is it the date of the
checkin to the local person's clone, or the date after the clone was merged
into the master repo or...
The release tag is not the place to even try to embed that info into. We want
the exact commands how the snapshot was generated properly documented anyway.
http://fedoraproject.org/wiki/PackagingDrafts/SourceUrl