$ git clone -n https://src.fedoraproject.org/rpms/kf6-ksvg.git /var/lib/mock/f41-build-side-1-2647343-27301/root/chroot_tmpdir/scmroot/kf6-ksvg
Cloning into '/var/lib/mock/f41-build-side-1-2647343-27301/root/chroot_tmpdir/scmroot/kf6-ksvg'...
$ git fetch origin 1946a3031ada4ddc4327426c92a6690620c91fbf:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf6-ksvg
 * [new ref]         1946a3031ada4ddc4327426c92a6690620c91fbf -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1946a30 6.5.0