$ git clone -n https://src.fedoraproject.org/rpms/qcas.git /var/lib/mock/f41-build-side-1-2768777-32099/root/chroot_tmpdir/scmroot/qcas
Cloning into '/var/lib/mock/f41-build-side-1-2768777-32099/root/chroot_tmpdir/scmroot/qcas'...
$ git fetch origin ae83ee7ff69c9e53823fd0b32c125e5c759b97bb:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qcas
 * [new ref]         ae83ee7ff69c9e53823fd0b32c125e5c759b97bb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ae83ee7 convert GPLv3+ license to SPDX