[PATCH] branchingrev: find the start of the branch containing a node
Florent Guillaume
fg at nuxeo.com
Tue Feb 26 16:22:16 UTC 2008
Thomas Arendsen Hein wrote:
> * Florent Guillaume <fg at nuxeo.com> [20080226 01:19]:
>> # HG changeset patch
>> # User Florent Guillaume <fg at nuxeo.com>
>> # Date 1203984621 -3600
>> # Node ID 689ecf3985b1c4a6dd2321dd9f30489f0d66105e
>> # Parent 50a277e6ceaeaa5f890cacc9dcab745a4387dd58
>> branchingrev: find the start of the branch containing a node
>>
>> Adding a branchingrev method on the revlog (finds the oldest revision
>> that has the same single head as a given revision).
>>
>> Adding a foo~~ syntax for parentrevspec to return that.
>
> This already looks very good and I'm tempted to push it despite the
> problem (or feature request?) I just found:
Thanks.
> [...] I think it should yield:
>
> o 6~~ = 0
> |
> o 5~~ = 0
> |\
> | o 4~~ = 1
> | |
> o | 3~~ = 2
> | |
> o | 2~~ = 2
> | |
> | o 1~~ = 1
> |/
> o 0~~ = 0
>
> (or "unknown revision" instead of 0, but I think 0 is better)
That would be quite a different algorithm than just relying on heads. So
do you just want to crawl up to the first branching point? What would
you want for the following case:
o 5~~ =
|
o 4~~ =
/|
o | 3~~ =
| |
| | o 2~~ =
| |/
| o 1~~ =
|/
o 0~~ =
Florent
--
Florent Guillaume, Director of R&D, Nuxeo
Open Source Enterprise Content Management (ECM)
http://www.nuxeo.com http://www.nuxeo.org +33 1 40 33 79 87
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