bug#47799: 28.0.50; Default `project-files' implementation doesn't work with quoted filenames

[Philipp Stephani]

Am Do., 15. Apr. 2021 um 18:15 Uhr schrieb Dmitry Gutov <dgutov@yandex.ru>:
>
> Hi Philipp,
>
> On 15.04.2021 16:43, Philipp Stephani wrote:
> > emacs -Q -batch -l project -eval '(print (project-files (quote (transient . 
> > "/:/"))))'
> >
> > ("find: ‘/:/’: No such file or directory
> > ")
> >
> > Note that the error message is listed as a file.
> >
> > 1. `project-files' should unquote local filenames before passing them to
> >     `find'.
> >
> > 2. `project-files' should check for errors returned from `find'.
>
> Would you like to propose a patch?

I've now pushed a minimal fix to this specific problem (commit
157bfc1812c51a0a48162c71eadf7959f7de9ac6), but there are probably more
places that should get fixed, e.g. xref--find-ignores-arguments.
project--files-in-directory also still ignores any errors from the
find binary.