$ git clone -n https://gitee.com/src-opencloudos-rpms/libEMF.git /var/lib/mock/dist-oc9-build-70314-47416/root/chroot_tmpdir/scmroot/libEMF
Cloning into '/var/lib/mock/dist-oc9-build-70314-47416/root/chroot_tmpdir/scmroot/libEMF'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/libEMF
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 575c447 import libEMF-1.0.13-4.tl4