[PATCH] git_async_cat: automatically cleanup temporary gits

[Eric Wong]

This prevents temporary directories and git processes from
lingering around after WWW solver requests.
---
 lib/PublicInbox/GitAsyncCat.pm | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/lib/PublicInbox/GitAsyncCat.pm b/lib/PublicInbox/GitAsyncCat.pm
index b32c2fd3..2d601542 100644
--- a/lib/PublicInbox/GitAsyncCat.pm
+++ b/lib/PublicInbox/GitAsyncCat.pm
@@ -45,6 +45,12 @@ sub event_step {
        }
 }
 
+sub git_tmp_cleanup {
+       my ($git) = @_;
+       $git->cleanup(1) and
+               PublicInbox::DS::add_timer(3, \&git_tmp_cleanup, $git);
+}
+
 sub ibx_async_cat ($$$$) {
        my ($ibx, $oid, $cb, $arg) = @_;
        my $git = $ibx->{git} // $ibx->git;
@@ -63,6 +69,8 @@ sub ibx_async_cat ($$$$) {
                $git->{async_cat} //= do {
                        my $self = bless { git => $git }, __PACKAGE__;
                        $git->{in}->blocking(0);
+                       $git->{-tmp} and PublicInbox::DS::add_uniq_timer(
+                                               3, \&git_tmp_cleanup, $git);
                        $self->SUPER::new($git->{in}, EPOLLIN|EPOLLET);
                        \undef; # this is a true ref()
                };