Re: [PATCH v6 01/16] Git.pm: add subroutines for commenting lines

[Junio C Hamano <gitster@pobox.com>]

Johannes Schindelin <Johannes.Schindelin@gmx.de> writes:

> Hi Vasco,
>
> On Fri, 9 Dec 2016, Vasco Almeida wrote:
>
>> A Ter, 22-11-2016 às 09:42 -0800, Junio C Hamano escreveu:
>> > The incremental update below looks sensible. We'd also want to
>> > protect this codepath from a misconfigured two-or-more byte sequence
>> > in core.commentchar, I would suspect, to be consistent.
>> 
>> Are the below changes alright for what you propose? It just checks if
>> the length of core.commentchar's value is 1, otherwise use '#' as the
>> comment_line_char.
>> As a note, when I set core.commentchar with "git config
>> core.commentChar 'batata'", I get the following error message when I
>> issue "git add -i":
>> 
>> error: core.commentChar should only be one character
>> fatal: bad config variable 'core.commentchar' in file '.git/config' at line 6
>
> This is exactly the same issue I fixed for rebase -i recently.

Yes, but the patch we see here punts "core.commentChar is not a
single-byte single-letter--panic!" case differently.  I think you
did "just take the first one" in "rebase -i", which I think is more
in line with the rest of the system, and this addition to Git.pm
should do the same, I think.