Re: Do we need to store redundant mergeinfo?

On Thu, Nov 10, 2011 at 12:13 PM, Julian Foad <julian.foad_at_wandisco.com>wrote:

> 2 3 4 5
> BranchA--o-----------------------------------------
> \
> \ "A:2"
> BranchB-----o---o----------------------------------
> \
> \ "A:2 B:3-4"
> BranchC------------o-------------------------------
>
> Philip and I were prompted by a customer to consider why Subversion copies
> mergeinfo from branch to branch, in transitive merges (branch A -> branch B
> -> branch C). Why do we need mergeinfo on branch C that refers directly to
> A? If, as I believe to be the case, Subversion only supports merge
> tracking if the branching graph is tree-shaped, then the only merges
> allowed to or from branch C are those to or from branch B (and those to or
> any further branches to the "right" of it: D1, D2).
>
>
This statement is not true. You can still merge BranchA to BranchC in the
above scenario. SVN does not have any limits on where you can merge from
and to.

-- 
Thanks
Mark Phippard
http://markphip.blogspot.com/