bug#59803: completion-at-point in shell buffer ignores some files

[Eli Zaretskii]

Ping!  Stefan, any suggestions or ideas?

> Cc: 59803@debbugs.gnu.org
> Date: Sun, 04 Dec 2022 11:58:43 +0200
> From: Eli Zaretskii <eliz@gnu.org>
> 
> > From: Nicolas Graner <nicolas@graner.name>
> > Date: Sat, 03 Dec 2022 12:01:16 +0100
> > 
> > In a *Shell* buffer, file name completion ignores file names already
> > present on the current line. For example, if you have a file named `foo'
> > and no other file starting with an f, when you type:
> > 
> > $ cp f<TAB> f<TAB>
> > 
> > the first <TAB> completes `f' to `foo', but the second <TAB> gives a `No
> > match' error.
> > 
> > Similarly, if you have files named foo1, foo2, foo3 and foo4, then:
> > 
> > $ mv foo1 foo2 f<TAB>
> > 
> > shows only foo3 and foo4 in the completions buffer.
> > 
> > Happens in emacs 29 but not in 28.
> 
> This seems to be due to some changes in pcomplete.el since Emacs 28, because
> if you remove pcomplete-completions-at-point from the value of
> shell-dynamic-complete-functions, the problem goes away.
> 
> Stefan, can you help here?  It sounds like the culprit is some of the
> changes in commit 0a36671f41 and/or 88b025f815, but I'm not sure.
> 
> Thanks.
> 
> 
> 
>