lei_mirror: show child error error code

Just passing the exit value of the child process isn't to
our parent process isn't very useful when multiple commands
are failing at once.

diff --git a/lib/PublicInbox/LeiMirror.pm b/lib/PublicInbox/LeiMirror.pm
index 4464b6b109b9bc1884c6a3d1a8cd73d29980927f..8b276336f288258a4a45a385ee37ee325802b384 100644 (file)
--- a/lib/PublicInbox/LeiMirror.pm
+++ b/lib/PublicInbox/LeiMirror.pm
@@ -602,7 +602,7 @@ sub reap_cmd { # async, called via SIGCHLD
        $? = 0; # don't let it influence normal exit
        if ($cerr) {
                kill('TERM', keys %$LIVE);
-               $self->{lei}->child_error($cerr, "@$cmd failed");
+               $self->{lei}->child_error($cerr, "@$cmd failed (\$?=$cerr)");
        }
 }