bug#68799: 30.0.50; emacs --fg-daemon fails silently if server-start fails

[Eli Zaretskii <eliz@gnu.org>]

> From: Spencer Baugh <sbaugh@janestreet.com>
> Cc: 68799@debbugs.gnu.org,  monnier@iro.umontreal.ca,  jasonr@gnu.org
> Date: Wed, 14 Feb 2024 11:11:10 -0500
> 
> Eli Zaretskii <eliz@gnu.org> writes:
> 
> >> From: Spencer Baugh <sbaugh@janestreet.com>
> >> Cc: 68799@debbugs.gnu.org,  monnier@iro.umontreal.ca,  jasonr@gnu.org
> >> Date: Tue, 13 Feb 2024 15:20:21 -0500
> >> 
> >> To be clear, the patch I posted which checks DAEMON_RUNNING *does* solve
> >> that.
> >> 
> >> $ ./src/emacs -Q --fg-daemon=/tmp/foo
> >> Starting Emacs daemon.
> >> ‘/tmp’ is not a safe directory because it is not owned by you (owner = root (0))
> >> $ 
> >> 
> >> (which previously would have hung)
> >> 
> >> The issue now is solely that the printed error message is maybe not
> >> informative enough.
> >> 
> >> So how about the following diff, which changes the output to:
> >> 
> >> $ ./src/emacs -Q --fg-daemon=/tmp/foo
> >> Starting Emacs daemon.
> >> Unable to start daemon: ‘/tmp’ is not a safe directory because it is not owned by you (owner = root (0))
> >
> > That's an improvement, but maybe it will be even better if you append
> > "; exiting" at the end of the message?
> 
> Can do.  Here's the patch, which should be applied in addition to the
> DAEMON_RUNNING patch I posted earlier.

Thanks, installed.