$ git clone -n https://gitee.com/src-opencloudos-rpms/libformula.git /var/lib/mock/dist-oc9-build-59722-16463/root/chroot_tmpdir/scmroot/libformula
Cloning into '/var/lib/mock/dist-oc9-build-59722-16463/root/chroot_tmpdir/scmroot/libformula'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/libformula
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2e4e8e9 import libformula-1.1.3-4.tl4