$ git clone -n https://src.fedoraproject.org/rpms/kf6-threadweaver.git /var/lib/mock/f42-build-861998-170551/root/chroot_tmpdir/scmroot/kf6-threadweaver
Cloning into '/var/lib/mock/f42-build-861998-170551/root/chroot_tmpdir/scmroot/kf6-threadweaver'...
$ git fetch origin ee44a5b5c550d8a9faa493605391fb299b350468:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf6-threadweaver
 * [new ref]         ee44a5b5c550d8a9faa493605391fb299b350468 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ee44a5b 6.8.0