$ git clone -n https://src.fedoraproject.org/rpms/libkeduvocdocument.git /var/lib/mock/f45-build-16393-486/root/chroot_tmpdir/scmroot/libkeduvocdocument
Cloning into '/var/lib/mock/f45-build-16393-486/root/chroot_tmpdir/scmroot/libkeduvocdocument'...
$ git fetch origin 887de10a2a033491b1c2a5e70370655d614f5588:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libkeduvocdocument
 * [new ref]         887de10a2a033491b1c2a5e70370655d614f5588 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 887de10 26.08.1