Re: [RFC/PATCH] Document -B<n>[/<m>], -M<n> and -C<n> variants of -B, -M and -C
- From
Matthieu Moy <matthieu.moy@grenoble-inp.fr>
- Date
- Jul 30, 2010, 15:23 UTC
- Message-ID
- <vpqmxt93sew.fsf@bauges.imag.fr>
- In-Reply-To
- <7vk4oeuv4b.fsf@alter.siamese.dyndns.org>
Junio C Hamano <gitster@pobox.com> writes:
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> Matthieu Moy <Matthieu.Moy@imag.fr> writes: > >> I'm not really happy with my description of -Bn/m, which I essentially >> took from eeaa46031479 (Junio, Jun 3 2005, diff: Update -B >> heuristics). Someone with better understanding of how it works can >> probably propose something better. > > Your explanation for '<n>' being the same across -B/-M/-C is reasonable. > Explanation of '<m>' might want to clarify why it counts only the deletion > and to mention that "100-similarity != dissimilarity", but as the end-user > level documentation, these probably are unnecessary.
The thing is: I don't know the anwser myself, so I'm not in a position do write such documentation :-(.
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>> +-B[<n>]:: >> +-B<n>/<m>:: >> Break complete rewrite changes into pairs of delete and create. >> + If `n` is specified, it gives the threshold (as a percentage >> + of changed lines) above which a change is considered as >> + complete rewrite. For example, `-B90%` means git will detect a >> + rewrite if more than 90% of the lines have been modified. ... > > I am fine with the use of word "lines" if it is clear that we are giving a > simplified explanation (white lie) to the readers, but the (dis)similarity > numbers don't have much to do with "lines".
Likewise, I didn't write "lines" as a white lie, but because of my ignorance ... hence my request for help.
-- Matthieu Moy http://www-verimag.imag.fr/~moy/