$ git clone -n https://gitee.com/src-opencloudos-rpms/libsass.git /var/lib/mock/dist-oc9-webui-build-56454-14834/root/chroot_tmpdir/scmroot/libsass
Cloning into '/var/lib/mock/dist-oc9-webui-build-56454-14834/root/chroot_tmpdir/scmroot/libsass'...
$ git fetch origin oc9-webui:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/libsass
 * [new branch]      oc9-webui  -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b9c9aa3 import libsass-3.6.4-6.tl4