$ git clone -n https://src.fedoraproject.org/rpms/python-can.git /var/lib/mock/f41-build-side-1-3134502-39756/root/chroot_tmpdir/scmroot/python-can
Cloning into '/var/lib/mock/f41-build-side-1-3134502-39756/root/chroot_tmpdir/scmroot/python-can'...
$ git fetch origin df30f6989d14850bb48ba0791a443d1ac18fb87f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-can
 * [new ref]         df30f6989d14850bb48ba0791a443d1ac18fb87f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at df30f69 convert LGPLv3 license to SPDX