$ git clone -n https://src.fedoraproject.org/rpms/libvpl.git /var/lib/mock/f41-build-850126-165136/root/chroot_tmpdir/scmroot/libvpl
Cloning into '/var/lib/mock/f41-build-850126-165136/root/chroot_tmpdir/scmroot/libvpl'...
$ git fetch origin ad2221a13e94c5f06865e5e6a17ec36749908e52:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libvpl
 * [new ref]         ad2221a13e94c5f06865e5e6a17ec36749908e52 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ad2221a Update to 2.12.0