$ git clone -n https://src.fedoraproject.org/rpms/plasma-nm.git /var/lib/mock/f41-build-1012486-17768/root/chroot_tmpdir/scmroot/plasma-nm
Cloning into '/var/lib/mock/f41-build-1012486-17768/root/chroot_tmpdir/scmroot/plasma-nm'...
$ git fetch origin 2818ee9b2d77bf929ff2db656ad92c5ae641db82:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/plasma-nm
 * [new ref]         2818ee9b2d77bf929ff2db656ad92c5ae641db82 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2818ee9 6.1.0