$ git clone -n https://gitee.com/src-opencloudos-rpms/fftw /var/lib/mock/dist-oc9-build-52841-14733/root/chroot_tmpdir/scmroot/fftw
Cloning into '/var/lib/mock/dist-oc9-build-52841-14733/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 b3ab22c import fftw-3.3.10-3.tl4.1