$ git clone -n https://gitee.com/src-opencloudos-rpms/fftw.git /var/lib/mock/dist-oc9-build-120730-71432/root/chroot_tmpdir/scmroot/fftw
Cloning into '/var/lib/mock/dist-oc9-build-120730-71432/root/chroot_tmpdir/scmroot/fftw'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/fftw
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8229a35 import fftw-3.3.10-9.tl4