Re: [PATCH 9/8] [DO NOT APPLY, but squash?] git-rebase--interactive: clarify arguments

> Johannes Schindelin <Johannes.Schindelin@gmx.de> writes:
>
>> Good idea! I would rather do it as an introductory patch (that only
>> converts the existing list).
>>
>> As to `merge`: it is a bit more complicated ;-)
>>
>>       m, merge <original-merge-commit> ( <label> | "<label>..." ) [<oneline>]
>>               create a merge commit using the original merge commit's
>>               message (or the oneline, if "-" is given). Use a quoted
>>               list of commits to be merged for octopus merges.
>
> Is it just the message that is being reused?
>
> Aren't the trees of the original commit and its parents participate
> in creating the tree of the recreated merge?  One way to preserve an
> originally evil merge is to notice how it was made by taking the
> difference between the result of mechanical merge of original merge
> parents and the original merge result, and carry it forward when
> recreating the merge across new parents.  Just being curious.
>