$ git clone -n https://src.fedoraproject.org/rpms/libtar.git /var/lib/mock/f31-build-59562-28595/root/chroot_tmpdir/scmroot/libtar
Cloning into '/var/lib/mock/f31-build-59562-28595/root/chroot_tmpdir/scmroot/libtar'...
$ git reset --hard 02009b63886029729e1bbd87720329a121636673
HEAD is now at 02009b6 - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild