$ git clone -n https://src.fedoraproject.org/rpms/polkit-kde.git /var/lib/mock/f41-build-860667-169101/root/chroot_tmpdir/scmroot/polkit-kde
Cloning into '/var/lib/mock/f41-build-860667-169101/root/chroot_tmpdir/scmroot/polkit-kde'...
$ git fetch origin 5e76d8e5cfcec23f9928bf357eed943b5c4653e5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/polkit-kde
 * [new ref]         5e76d8e5cfcec23f9928bf357eed943b5c4653e5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5e76d8e 6.2.2