$ git clone -n https://src.fedoraproject.org/rpms/screenkey.git /var/lib/mock/f41-build-side-2-python-2713019-30508/root/chroot_tmpdir/scmroot/screenkey
Cloning into '/var/lib/mock/f41-build-side-2-python-2713019-30508/root/chroot_tmpdir/scmroot/screenkey'...
$ git fetch origin c36ca851fa5ab4ba2d9c44ca87888c5114a0faad:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/screenkey
 * [new ref]         c36ca851fa5ab4ba2d9c44ca87888c5114a0faad -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c36ca85 convert GPLv3+ license to SPDX