$ git clone -n https://src.fedoraproject.org/rpms/plasma-nm.git /var/lib/mock/f41-build-851508-165989/root/chroot_tmpdir/scmroot/plasma-nm
Cloning into '/var/lib/mock/f41-build-851508-165989/root/chroot_tmpdir/scmroot/plasma-nm'...
$ git fetch origin eba4913b228c932f77f4c166ec37ae5dc8631157:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/plasma-nm
 * [new ref]         eba4913b228c932f77f4c166ec37ae5dc8631157 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at eba4913 6.1.90