$ git clone -n https://gitee.com/opencloudos-stream/libdbi-drivers.git /var/lib/mock/dist-oc9-epol-build-105507-66583/root/chroot_tmpdir/scmroot/libdbi-drivers
Cloning into '/var/lib/mock/dist-oc9-epol-build-105507-66583/root/chroot_tmpdir/scmroot/libdbi-drivers'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/libdbi-drivers
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5320b88 update