$ git clone -n https://gitee.com/src-opencloudos-rpms/libspectre.git /var/lib/mock/dist-oc9-build-63643-16463/root/chroot_tmpdir/scmroot/libspectre
Cloning into '/var/lib/mock/dist-oc9-build-63643-16463/root/chroot_tmpdir/scmroot/libspectre'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/libspectre
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1646fcd import libspectre-0.2.11-5.tl4