$ git clone -n https://gitee.com/src-opencloudos-rpms/jzlib.git /var/lib/mock/dist-oc9-build-127896-77065/root/chroot_tmpdir/scmroot/jzlib
Cloning into '/var/lib/mock/dist-oc9-build-127896-77065/root/chroot_tmpdir/scmroot/jzlib'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/jzlib
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 484d57e import jzlib-1.1.3-5.tl4