$ git clone -n https://src.fedoraproject.org/rpms/python-xmlschema.git /var/lib/mock/f40-build-2232271-53329/root/chroot_tmpdir/scmroot/python-xmlschema
Cloning into '/var/lib/mock/f40-build-2232271-53329/root/chroot_tmpdir/scmroot/python-xmlschema'...
$ git fetch origin 94d32ec871715c33753a1796190d0475dad16534:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-xmlschema
 * [new ref]         94d32ec871715c33753a1796190d0475dad16534 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 94d32ec Update to 2.4.0