my ($class, $git, $name, $email, $ibx) = @_;
my $ref = 'refs/heads/master';
if ($ibx) {
$ref = $ibx->{ref_head} || 'refs/heads/master';
$name ||= $ibx->{name};
$email ||= $ibx->{-primary_address};
my ($class, $git, $name, $email, $ibx) = @_;
my $ref = 'refs/heads/master';
if ($ibx) {
$ref = $ibx->{ref_head} || 'refs/heads/master';
$name ||= $ibx->{name};
$email ||= $ibx->{-primary_address};