Mercurial > hg
view CONTRIBUTING @ 30901:47278970fc8c
update: localize logic around which ancestor to use
The merge code works by applying the changes between an ancestor and
the working copy onto the destination. To achieve an update, it sets
the ancestor to be the parent of the working copy. To achieve a clean
update (update -C), it sets the ancestor to be the working copy itself
(so there are no changes to carry over). The logic for this was spread
out a bit. Let's move it all to one place so it's easier to follow the
reason for it. Also add some documentation.
| author | Martin von Zweigbergk <martinvonz@google.com> |
|---|---|
| date | Wed, 08 Feb 2017 14:49:37 -0800 |
| parents | a492610a2fc1 |
| children |
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