$ git clone -n https://src.fedoraproject.org/rpms/python-nose2.git /var/lib/mock/f41-build-700451-12886/root/chroot_tmpdir/scmroot/python-nose2
Cloning into '/var/lib/mock/f41-build-700451-12886/root/chroot_tmpdir/scmroot/python-nose2'...
$ git fetch origin 908fcd615c2c3fa27597a26d943f19b7a729e096:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-nose2
 * [new ref]         908fcd615c2c3fa27597a26d943f19b7a729e096 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 908fcd6 Update to 0.15.0 upstream release