$ git clone -n https://src.fedoraproject.org/rpms/perl-DBIx-Class-DynamicDefault.git /var/lib/mock/f45-build-22721-593/root/chroot_tmpdir/scmroot/perl-DBIx-Class-DynamicDefault
Cloning into '/var/lib/mock/f45-build-22721-593/root/chroot_tmpdir/scmroot/perl-DBIx-Class-DynamicDefault'...
$ git fetch origin 468b0efd5bda29f4f448ad64c32be4584d96c9fa:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-DBIx-Class-DynamicDefault
 * [new ref]         468b0efd5bda29f4f448ad64c32be4584d96c9fa -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 468b0ef Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild