git: cleanup un-associated coderepo processes

It's possible to have many coderepos with no inbox association
that never see git->cleanup.  So instead of tying git->cleanup
to inboxes, ensure it gets armed when ->watch_async is called
(since it's only called in our -netd or -httpd servers).

1 files changed, 4 insertions, 2 deletions

diff --git a/lib/PublicInbox/Git.pm b/lib/PublicInbox/Git.pm
index 9c26d8bf..f4a24f2a 100644
--- a/lib/PublicInbox/Git.pm
+++ b/lib/PublicInbox/Git.pm
@@ -668,8 +668,10 @@ sub event_step {
 
 # idempotently registers with DS epoll/kqueue/select/poll
 sub watch_async ($) {
-        $_[0]->{epwatch} //= do {
-                $_[0]->SUPER::new($_[0]->{sock}, EPOLLIN);
+        my ($self) = @_;
+        PublicInbox::DS::add_uniq_timer($self+0, 30, \&cleanup, $self, 1);
+        $self->{epwatch} //= do {
+                $self->SUPER::new($self->{sock}, EPOLLIN);
                 \undef;
         }
 }