bug#42538: 28.0.50; tramp-test35-remote-path test timing out on macOS

[Philipp Stephani]

Am Sa., 1. Aug. 2020 um 21:24 Uhr schrieb Philipp Stephani
<p.stephani2@gmail.com>:
>
> Am Sa., 1. Aug. 2020 um 20:15 Uhr schrieb Michael Albinus
> <michael.albinus@gmx.de>:
> >
> > Philipp Stephani <p.stephani2@gmail.com> writes:
> >
> > Hi Philipp,
> >
> > > Even that assumption doesn't hold, even if restricted to a single
> > > operating system. See e.g. the per-architecture signal number table at
> > > https://man7.org/linux/man-pages/man7/signal.7.html.
> > > How about using the fallback ("Signal #123") in all cases? In practice
> > > the signal descriptions aren't portable, so users can't parse them
> > > anyway.
> >
> > I've tried an alternative implementation, getting the string from the
> > remote host (and caching it then). Pushed to master. Could you, pls, check?
>
> It doesn't hang for me any more, thanks. Now I only get the "normal"
> test failure:
>
> Test tramp-test33-environment-variables condition:
>     (ert-test-failed
>      ((should
>        (string-equal
> (format "%s,tramp:%s" emacs-version tramp-version)
> (funcall this-shell-command-to-string "echo -n ${INSIDE_EMACS:-bla}")))
>       :form
>       (string-equal "28.0.50,tramp:2.5.0-pre" "-n 28.0.50,tramp:2.5.0-pre
> ")
>       :value nil))
>    FAILED  45/68  tramp-test33-environment-variables (0.198462 sec)
>
> It looks like this "echo" command/builtin doesn't support "-n".

And some more errors:

Test tramp-test41-utf8 condition:
    (file-error "Couldn't write region to
`/mock:p:/private/var/folders/ks/sxl3n3w51td0ry21j3tjs1wh0000gn/T/tramp-testihxoo1/Tibetan
(བོད་སྐ????ད་) ༄༅༅༎བཀྲ????་ཤིས་བདེ་ལེགས༎ཨོཾ་མ????་ཎི་པ????དྨེ་ཧའུྂ༎',
decode using `base64 -d >%s' failed")
   FAILED  59/68  tramp-test41-utf8 (26.238610 sec)

Test tramp-test41-utf8-with-ls condition:
    (file-error "Couldn't write region to
`/mock:p:/private/var/folders/ks/sxl3n3w51td0ry21j3tjs1wh0000gn/T/tramp-testjjBt88/Tibetan
(བོད་སྐ????ད་) ༄༅༅༎བཀྲ????་ཤིས་བདེ་ལེགས༎ཨོཾ་མ????་ཎི་པ????དྨེ་ཧའུྂ༎',
decode using `base64 -d >%s' failed")
   FAILED  60/68  tramp-test41-utf8-with-ls (26.334114 sec)

Test tramp-test41-utf8-with-perl condition:
    (file-error "Couldn't write region to
`/mock:p:/private/var/folders/ks/sxl3n3w51td0ry21j3tjs1wh0000gn/T/tramp-testIXjq6B/Tibetan
(བོད་སྐ????ད་) ༄༅༅༎བཀྲ????་ཤིས་བདེ་ལེགས༎ཨོཾ་མ????་ཎི་པ????དྨེ་ཧའུྂ༎',
decode using `base64 -d >%s' failed")
   FAILED  61/68  tramp-test41-utf8-with-perl (26.276314 sec)