lei: run pager in client script

While most single keystrokes work fine when the pager is
launched from the background daemon, Ctrl-C and WINCH can cause
strangeness when connected to the wrong terminal.

1 files changed, 3 insertions, 2 deletions

diff --git a/lib/PublicInbox/LeiQuery.pm b/lib/PublicInbox/LeiQuery.pm
index 9a383cef..6e778785 100644
--- a/lib/PublicInbox/LeiQuery.pm
+++ b/lib/PublicInbox/LeiQuery.pm
@@ -125,9 +125,10 @@ sub lei_q {
         # my $wcb = PublicInbox::LeiToMail->write_cb($out, $self);
         $self->{mset_opt} = \%mset_opt;
         $lxs->do_query($self, \@srcs);
-        if ($pid_old12) {
+        if ($pid_old12) { # [ pid, stdout, stderr ]
+                my $pid = $pid_old12->[0];
                 $self->{$_} = $pid_old12->[$_] for (1, 2);
-                dwaitpid($pid_old12->[0], undef, $self->{sock});
+                dwaitpid($pid, undef, $self->{sock}) if $pid;
         }
 }