Hi!

Jeff King <p...@peff.net> wrote:
> For the first one, showing all diffs is what I want. For the second, it
> only makes sense to for the first parent case, as following other
> parents would zig-zag through history.

Lucky you! :) You probably don't need to inspect 9 month old ex-svn
branches with sync (i.e. 'trunk'->'feature') merges

*-...-*-...-*-...-*-.......-*---trunk
 \     \     \     \       /
  *-...-*-...-*-...-*-...-*---feature

(Not to forget some funny legacy inter-feature merges.)

It's not like `git diff X^2 X` is a big problem, but too much of a
copypaste.

The other thing that bugs me is that you can easily `git cherry-pick -m 2 X`,
but to see the diff that you are going to apply is not that trivial.

> But perhaps you have some other use case in mind. In cases like these, I
> think it is a good idea to implement the feature, and run with it for a
> while, seeing how it can be used. And then if it proves useful, post the
> patch to the list describing your experiences.

I'll try. BTW, should it be like '-m[=parent]' for consistency,
or '-m [parent]' is ok?

PS Another idea:

'-m parent' makes sence in a normal, 2-branch merge. But what to do in a
case of an octopus merge? In a normal case I can treat '-m 2' as 'the
diff regarding the second parent', but also as 'the changes contributed
by the first parent (plus "evil")'. But with 3 and more branches '-m 3'
means 'the changes from 1 and 2'. Would it be possible to get only the
contribution from the second or third parent in this case?

Yeah, I know, there is `git diff parent1...parent3` etc, but not all the
changes from parent3 will always get to the merge commit.

-- 
Mit freundlichen Grüßen,
Anatoly Borodin

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