$ git clone -n https://src.fedoraproject.org/rpms/kf6-kdoctools.git /var/lib/mock/f41-build-858681-168467/root/chroot_tmpdir/scmroot/kf6-kdoctools
Cloning into '/var/lib/mock/f41-build-858681-168467/root/chroot_tmpdir/scmroot/kf6-kdoctools'...
$ git fetch origin 586546452a9b1ea7615eb75dcec6d57956fa7372:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf6-kdoctools
 * [new ref]         586546452a9b1ea7615eb75dcec6d57956fa7372 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5865464 6.7.0