$ git clone -n https://src.fedoraproject.org/rpms/revelation.git /var/lib/mock/f41-build-side-2-python-2716639-30557/root/chroot_tmpdir/scmroot/revelation
Cloning into '/var/lib/mock/f41-build-side-2-python-2716639-30557/root/chroot_tmpdir/scmroot/revelation'...
$ git fetch origin dfeb92da120a5c24883b6ad3e99f0beeaac52edd:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/revelation
 * [new ref]         dfeb92da120a5c24883b6ad3e99f0beeaac52edd -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at dfeb92d convert GPLv2 license to SPDX