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pbot-vm: fix potential time-out when outputting 0

If the output from a code snippet is `0` without a newline,
Perl treats this as a false value. When Guest::process_command()
returns a false value, that signals to guest-server::serial_server()
that it is the parent returning and so it will not send the result back
to the host.

However, `0\n` is a true value. Solution: always append a final newline to
the guest output.
This commit is contained in:
Pragmatic Software 2022-03-31 19:52:46 -07:00
parent a98a0fa0fb
commit 03fb901291
2 changed files with 3 additions and 3 deletions

View File

@ -116,7 +116,7 @@ sub process_command($command, $mod, $user, $tag) {
print STDERR "=" x 40, "\n";
return $result;
return "$result\n";
} else {
# wait for child to finish
waitpid($pid, 0);

View File

@ -25,8 +25,8 @@ use PBot::Imports;
# These are set by the /misc/update_version script
use constant {
BUILD_NAME => "PBot",
BUILD_REVISION => 4518,
BUILD_DATE => "2022-03-23",
BUILD_REVISION => 4520,
BUILD_DATE => "2022-03-31",
};
sub initialize {}