+sub v1_checkpoint ($$;$) {
+ my ($self, $sync, $stk) = @_;
+ $self->{ibx}->git->check_async_wait;
+ $self->{ibx}->git->cat_async_wait;
+
+ # latest_cmt may be undef
+ my $newest = $stk ? $stk->{latest_cmt} : undef;
+ if ($newest) {
+ my $cur = $self->{mm}->last_commit || '';
+ if (need_update($self, $cur, $newest)) {
+ $self->{mm}->last_commit($newest);
+ }
+ } else {
+ ${$sync->{max}} = $BATCH_BYTES;
+ }
+
+ $self->{mm}->{dbh}->commit;
+ if ($newest && need_xapian($self)) {
+ my $cur = $self->{xdb}->get_metadata('last_commit');
+ if (need_update($self, $cur, $newest)) {
+ $self->{xdb}->set_metadata('last_commit', $newest);
+ }
+ }
+
+ $self->{over}->rethread_done($sync->{-opt}) if $newest; # all done
+ commit_txn_lazy($self);
+ $self->{ibx}->git->cleanup;
+ my $nr = ${$sync->{nr}};
+ idx_release($self, $nr);
+ # let another process do some work...
+ if (my $pr = $sync->{-opt}->{-progress}) {
+ $pr->("indexed $nr/$sync->{ntodo}\n") if $nr;
+ }
+ if (!$stk) { # more to come
+ begin_txn_lazy($self);
+ $self->{mm}->{dbh}->begin_work;
+ }
+}
+