svn commit: r343416 - head/bin/sh

[Oliver Pinter]

On Friday, January 25, 2019, Alexey Dokuchaev <danfe at freebsd.org> wrote:

> On Fri, Jan 25, 2019 at 06:02:58AM +0000, Edward Napierala wrote:
> > The aliases are gone, let's continue on the remaining bits below.
>
> They are not gone, they were commented out; also, bogus double linefeeds
> are not gone.  But most importantly, this whole file is useless and IMHO
> should just be removed.  /bin/sh is not supposed to be one's interactive
> shell.


False. Since the ability to install the system from pkg, and the ability to
remove the tcsh package easily, someone really want to or try to use sh as
their default interactive shell.

>From other hand there are no clear communication about the fact that the
/bin/sh isn't suitable for interactive in non-developer visible place -
like in motd or in official documentations, fix me if I'm wrong.


>
> > It is alien, because it's different from their experience
> > from other systems they are used to.
>
> This argument does not really hold because /bin/sh is not... see above.
>
> > It doesn't affect existing installs.  It doesn't affect people
> > who run the default root shell (tcsh), nor folks who use shells
>
> AFAICT default root shell is /bin/csh, not tcsh. ;-)  But that also
> means that /usr/src/bin/sh/dot.shrc doesn't have to exist: those who
> change the root shell should either pick another interactive shell,
> or if they want /bin/sh be ready to deal with sanitary environment.
>
> > And for folks who do have their own tree with their preferred
> > /root/.shrc to "make distribution" from, it should actually make
> > their diff to upstream smaller.
>
> I don't like extra files, esp. configuration files that look like they
> are for interactive shell while our /bin/sh is in fact not.  This is
> confusing, and FreeBSD is not supposed to be confusing.
>
> > It is a syntax problem:
> >
> > trasz at v2:~ % while :; do date; sleep 1; done
> > while: Expression Syntax.
> > do: Command not found.
> > done: Command not found.
>
> Are you trying to use sh(1) loop in (t)csh?  Why?  And what does it have
> to do with the /usr/src/bin/sh/dot.shrc issue?
>
> ./danfe
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