$ git clone -n https://src.fedoraproject.org/rpms/cptutils.git /var/lib/mock/f41-build-2441802-25470/root/chroot_tmpdir/scmroot/cptutils
Cloning into '/var/lib/mock/f41-build-2441802-25470/root/chroot_tmpdir/scmroot/cptutils'...
$ git fetch origin c516bf2fee3d20ff2ee9392715106b0c85268ce0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/cptutils
 * [new ref]         c516bf2fee3d20ff2ee9392715106b0c85268ce0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c516bf2 convert GPLv2+ license to SPDX