$ git clone -n https://src.fedoraproject.org/rpms/qdox.git /var/lib/mock/f40-build-2418958-60580/root/chroot_tmpdir/scmroot/qdox
Cloning into '/var/lib/mock/f40-build-2418958-60580/root/chroot_tmpdir/scmroot/qdox'...
$ git fetch origin 76c90d5acb3a20c2bfd4fa0b15237803a332cf84:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qdox
 * [new ref]         76c90d5acb3a20c2bfd4fa0b15237803a332cf84 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 76c90d5 Update to upstream version 2.1.0