bug#48072: 28.0.50: dired-read-shell-command: handle empty input properly [PATCH]

[Boruch Baum]

On 2021-04-28 05:22, Eli Zaretskii wrote:
> > Date: Tue, 27 Apr 2021 15:32:53 -0400
> > From: Boruch Baum <boruch_baum@gmx.com>
> > Cc: 48072@debbugs.gnu.org
> >
> > > > validates the entered command as a valid shell executable.
> > >
> > > This is certainly a mistake: a valid shell command doesn't have to be
> > > a file that executable-find is able to find.  Shells are known to
> > > support all kinds of internal and magic commands.
> >
> > My testing indicates otherwise.
>
> Would you care to share the details of that testing, please?

I evaluated shell-command-to-string for shell aliases and shell
functions, all of which returned error of type 'command not found'. That
would indicate that the class of 'internal commands' aren't valid in the
current state of emacs.

--
hkp://keys.gnupg.net
CA45 09B5 5351 7C11 A9D1  7286 0036 9E45 1595 8BC0