From: Eric Wong <e@80x24.org>
Date: Mon, 25 Jul 2016 20:49:04 GMT
Subject: Re: [PATCH] format-patch: escape "From " lines recognized by mailsplit
Message-ID: <20160725204904.GA1424@starla>
In-Reply-To: <xmqqzip562s3.fsf@gitster.mtv.corp.google.com>

Junio C Hamano <gitster@pobox.com> wrote:
> Eric Wong <e@80x24.org> writes:
> 
> >> Also, doesn't it break "git rebase" (non-interactive), or anything
> >> that internally runs format-patch to individual files and then runs
> >> am on each of them, anything that knows that each output file from
> >> format-patch corresponds to a single change and there is no need to
> >> split, badly if we do this unconditionally?
> >
> > Yes, rebase should probably unescape is_from_line matches.
> 
> This shouldn't matter for "git rebase", as it only reads from the
> mbox "From <commit object name> <datestamp>" line to learn the
> original commit and extract the log message directly from there.

OK.

> But a third-party script that wants to read format-patch output
> would be forced to upgrade, which is a pain if we make this change
> unconditionally.

I suppose unconditionally having mailsplit unescape
">From ...  $DATE" lines might be acceptable?

It'll still propagate these mistakes to older versions of git,
but those installations will eventually become fewer.

> >> IOW, shouldn't this be an optional feature to format-patch that
> >> is triggered by passing a new command line option that currently
> >> nobody is passing?