cherry-pick '-m' curiosity

[Sergey Organov <sorganov@xxxxxxxxx>]

Hello,

$ git help cherry-pick

-m parent-number, --mainline parent-number
           Usually you cannot cherry-pick a merge because you do not
           know which side of the merge should be considered the
           mainline.

Isn't it always the case that "mainline" is the first parent, as that's
how "git merge" happens to work?

Is, say, "-m 2" ever useful?

-- 
Sergey