1 files changed, 3 insertions, 1 deletions
diff --git a/lib/PublicInbox/Git.pm b/lib/PublicInbox/Git.pm
index f47bc439..59c27470 100644
--- a/lib/PublicInbox/Git.pm
+++ b/lib/PublicInbox/Git.pm
@@ -39,7 +39,7 @@ sub _bidi_pipe {
  sub cat_file {
          my ($self, $obj, $ref) = @_;
  
-        $self->_bidi_pipe(qw(--batch in out pid));
+        batch_prepare($self);
          $self->{out}->print($obj, "\n") or fail($self, "write error: $!");
  
          my $in = $self->{in};
@@ -89,6 +89,8 @@ sub cat_file {
          $rv;
  }
  
+sub batch_prepare ($) { _bidi_pipe($_[0], qw(--batch in out pid)) }
+
  sub check {
          my ($self, $obj) = @_;
          $self->_bidi_pipe(qw(--batch-check in_c out_c pid_c));