$ git clone -n https://src.fedoraproject.org/rpms/gbdfed.git /var/lib/mock/f31-build-53301-27831/root/chroot_tmpdir/scmroot/gbdfed
Cloning into '/var/lib/mock/f31-build-53301-27831/root/chroot_tmpdir/scmroot/gbdfed'...
$ git reset --hard 001df8f22b42af52a5701fb7ee6ac19bd0c7a383
HEAD is now at 001df8f - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild