Junio C Hamano <gitster@xxxxxxxxx> writes:
> worley@xxxxxxxxxxxx (Dale R. Worley) writes:
>
>> (git version 1.7.7.6)
>>
>> I've been learning how to use Git. While exploring "git rebase", I've
>> discovered that if the branch being rebased contains an "evil" merge,
>> that is, a merge which contains changes that are in addition to the
>> changes in any of the parent commits, the rebase operation will
>> silenty lose those additional changes.
>
> I think this is to be expected for "git rebase", as it does not even
> look at merges. It is a way to find non-merge commits that haven't
> been applied yet, and apply them to the upstream to create a new
> linear history.
I can see the problem with --preserve-merges though. It will actually
just *redo* the merge; the name is wrong in the sense that it undertakes
nothing to preserve whatever evilness was in it.
I suppose in theory it could first redo the merge on the original
parents, and diff against the existing merge; that would be the evilness
component. Then it could attempt to apply the same evilness on the new
merge.
--
Thomas Rast
trast@{inf,student}.ethz.ch
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