+sub git_for_each_tag_referring ($$) {
+ my ($objreferring, $func) = @_;
+ # calls $func->($objid,$fullrefname,$tagname);
+ git_for_each_ref('refs/tags', sub {
+ my ($objid,$objtype,$fullrefname,$tagname) = @_;
+ next unless $objtype eq 'tag';
+ next if defined $objreferring and $objid ne $objreferring;
+ $func->($objid,$fullrefname,$tagname);
+ });
+}
+