bug#34192: 26.1; Bash 5.0 breaks TRAMP sudo

[Michael Albinus <michael.albinus@gmx.de>]

Allen Li <darkfeline@felesatra.moe> writes:

Hi Allen,

> I took the liberty of removing the 2>/dev/null in
> tramp-send-command-and-check as well, but
> I don't think there's a lot of info.

> 16:13:19.704866 tramp-send-command (6) #
> tramp_perl_file_name_all_completions () {
> \perl -e '
> opendir(d, $ARGV[0]) || die("$ARGV[0]: $!\nfail\n");
> @files = readdir(d); closedir(d);
> foreach $f (@files) {
>  if (-d "$ARGV[0]/$f") {
>   print "$f/\n";
>  }
>  else {
>   print "$f\n";
>  }
> }
> print "ok\n"
> ' "$1"
> } ; echo tramp_exit_status $?
> 16:13:19.704957 tramp-get-connection-property (7) # process-name nil
> 16:13:19.705087 tramp-get-connection-property (7) # chunksize 0
> 16:13:19.705193 tramp-set-connection-property (7) # last-cmd-time
> (23638 12831 705148 363000)
> 16:13:19.705294 tramp-send-string (10) #
> tramp_perl_file_name_all_completions () {
> \perl -e '
> opendir(d, $ARGV[0]) || die("$ARGV[0]: $!\nfail\n");
> @files = readdir(d); closedir(d);
> foreach $f (@files) {
>  if (-d "$ARGV[0]/$f") {
>   print "$f/\n";
>  }
>  else {
>   print "$f\n";
>  }
> }
> print "ok\n"
> ' "$1"
> } ; echo tramp_exit_status $?
> 16:13:19.705404 tramp-get-connection-property (7) # process-buffer nil
> 16:13:19.705518 tramp-get-connection-property (7) # check-remote-echo nil
> 16:13:19.705597 tramp-get-connection-property (7) # check-remote-echo nil
> 16:13:21.402934 tramp-maybe-send-script (5) # Sending script
> ‘tramp_perl_file_name_all_completions’...failed

Yes, there's even no trace 10 output about the result. Hmm, that's very
strange.

Could you, pls, send the contents of the *tramp/sudo root@cielnosurge* buffer?

Best regards, Michael.