If memory serves me right, D J Hawkey Jr wrote:

> One other Q, as long as I'm posting: For those releases that have both a
> RELENG_X_Y and a RELENG_X_Y_BP branch, what's the difference? AFAIK, the
> first is for bug fixes; what's the second for?

RELENG_X_Y_BP represents the "Branch Point" where the RELENG_X_Y branch 
was created from the RELENG_X branch.

> Well, now one more: What are RELENG_X and RELENG_X_BP as they relate to
> RELENG_X_Y and RELENG_X_Y_BP?

Similarly...RELENG_X_BP represents the point where the RELENG_X was 
branched from HEAD.

*_BP is a FreeBSD convention...CVS doesn't have a way of expressing 
"the point where a branch was made", so we have to tag the tree 
explicitly.

For more information, see Murray Stokely's excellent FreeBSD release
engineering article:

http://www.freebsd.org/internal/releng.html

Bruce.



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