$ git clone -n https://src.fedoraproject.org/rpms/fprintd.git /var/lib/mock/f42-build-side-1-3583221-46888/root/chroot_tmpdir/scmroot/fprintd
Cloning into '/var/lib/mock/f42-build-side-1-3583221-46888/root/chroot_tmpdir/scmroot/fprintd'...
$ git fetch origin 23b948e3a1c6876cc765abfe9b30533f3e8fa682:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/fprintd
 * [new ref]         23b948e3a1c6876cc765abfe9b30533f3e8fa682 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 23b948e UPdate to the upstream version 1.94.5