Re: [PATCH] ssh signing: don't detach the filename strbuf from key_file tempfile

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On 2025-07-05 at 19:21:13, Jeff King wrote:
> On Sat, Jul 05, 2025 at 01:08:28AM +0200, redoste wrote:
> 
> > Detaching the filename string from the tempfile structure used to cause
> > delete_tempfile() to fail and the temporary file was not cleaned up.
> 
> Good catch. I can reproduce this easily with:
> 
>   git -c gpg.format=ssh \
>       -c user.signingkey=key::does-not-exist \
>       commit --allow-empty -S -m foo
> 
> which creates /tmp/.git_signing_key_tmp* and never cleans it up.
> 
> I wonder if it is worth adding a test, or if it would be too weirdly
> focused on this obscure case to be very useful against future
> regressions.

I don't have a strong view either way, but I do wonder if it's a good
idea to have the testsuite poking around in `/tmp`, although maybe if we
honour `TMPDIR` then it would be possible to do in a tidy way.

> > Signed-off-by: redoste <redoste@xxxxxxxxxxx>
> 
> We look for a real name in the sign-off trailer, since it indicates an
> acceptance of the DCO and the ability to legally contribute the patch to
> the project. See the section of Documentation/SubmittingPatches starting
> with the '[[dco]]'. Or here:
> 
>   https://git-scm.com/docs/SubmittingPatches#sign-off
> 
> Looking at your web page, it looks like you may prefer not to associate
> your online identity with a legal name. I can't remember if we've dealt
> with this before. I'm adding brian to the cc, who has given a lot of
> thought to naming and privacy issues.

I don't know if we have a strict policy.  I do know that there are
developers who always go by a pseudonym, such as chromatic[0], the
contributor to Perl, and obviously we'd want to allow them to
contribute. We also let people use shortened forms of their names or
initials (for instance, Jeff King).

I also have some friends who are trans and have transitioned or are in
the process of transitioning but have simply not gotten around to
getting legal paperwork done[1].  Obviously they have a distinct and
identifiable name that they go by and we'd allow them to use a preferred
name.

There might also be good reasons that a contributor might not want to
use a legal name: harassment, threats, employer hostility, fame[2], or a
hostile government, to name a few.  I think those are legitimate reasons
to contribute pseudonymously.

So I would say that if someone has a distinct and identifiable identity
that is pseudonymous and that is generally used and visible in the
public sphere online, that's probably good enough.  While I'm not a
lawyer, it's my understanding that in many locales, making a legal
promise of sorts (such as a sign-off) is equally binding whether made
with one's real name or a pseudonym, so I don't see a problem with the
legal aspect of it.

[0] https://en.wikipedia.org/wiki/Chromatic_(programmer)
[1] In some locales this involves hiring an attorney, getting paperwork
from a doctor, and getting a court order, so it can be expensive and
kind of a hassle to do.  It may also not be legally possible to do that
in some places.
[2] Notably the frontman of the band Weezer, Rivers Cuomo, is involved
in coding under his real name (https://github.com/riverscuomo), but
perhaps a CEO, musician, actor, or other famous person might not want
their open-source contributions to be associated with their real name.
-- 
brian m. carlson (they/them)
Toronto, Ontario, CA

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