Re: [PATCH] Prefer getenv("HOME") to find the UNIX home directory

At Mon, 18 Oct 2021 19:23:50 -0300, Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org> wrote in
> On 2021-Oct-14, Anders Kaseorg wrote:
>
> > This is important for systems where many users share the same UID, and
> > for test systems that change HOME to avoid interference with the
> > user’s real home directory. It matches what most applications do, as
> > well as what glibc does for glob("~", GLOB_TILDE, …) and wordexp("~",
> > …).
> >
> > There was some previous discussion of this in 2016, where although
> > there were some questions about the use case, there seemed to be
> > general support for the concept:
> >
> > https://www.postgresql.org/message-id/flat/CAEH6cQqbdbXoUHJBbX9ixwfjFFsUC-a8hFntKcci%3DdiWgBb3fQ%40mail.gmail.com
>
> I think modifying $HOME is a strange way to customize things, but given
> how widespread it is [claimed to be] today, it seems reasonable to do
> things that way.

I tend to agree to this, but seeing ssh ignoring $HOME, I'm not sure
it's safe that we follow the variable at least when accessing
confidentiality(?) files. Since I don't understand the exact
reasoning for the ssh's behavior so it's just my humbole opinion.

regards.

--
Kyotaro Horiguchi
NTT Open Source Software Center