X-Git-Url: http://www.git.stargrave.org/?p=public-inbox.git;a=blobdiff_plain;f=lib%2FPublicInbox%2FGit.pm;h=54ceaf0b8a5d6935f9101dbf52a45c4155eeb90f;hp=309f80dbfcf001e51f130cddee1a14ee38303dd3;hb=a34e62ec1d84eafb67cc63532a383d15a18dcc4d;hpb=f349c77a421ef1082eb0b22e8f71304df610fa6b

diff --git a/lib/PublicInbox/Git.pm b/lib/PublicInbox/Git.pm
index 309f80db..54ceaf0b 100644
--- a/lib/PublicInbox/Git.pm
+++ b/lib/PublicInbox/Git.pm
@@ -94,6 +94,13 @@ sub alternates_changed {
 	$self->{alt_st} = $st; # always a true value
 }
 
+sub object_format {
+	$_[0]->{object_format} //= do {
+		my $fmt = $_[0]->qx(qw(config extensions.objectformat));
+		$fmt eq "sha256\n" ? \'sha256' : \undef;
+	}
+}
+
 sub last_check_err {
 	my ($self) = @_;
 	my $fh = $self->{err_c} or return;