$ git clone -n https://src.fedoraproject.org/rpms/resalloc-openstack.git /var/lib/mock/f41-build-side-1-2934344-35228/root/chroot_tmpdir/scmroot/resalloc-openstack
Cloning into '/var/lib/mock/f41-build-side-1-2934344-35228/root/chroot_tmpdir/scmroot/resalloc-openstack'...
$ git fetch origin e141ef9f6a3bfcafe846a7ca145a412aaa7aa917:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/resalloc-openstack
 * [new ref]         e141ef9f6a3bfcafe846a7ca145a412aaa7aa917 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e141ef9 convert GPLv2+ license to SPDX