$ git clone -n https://gitee.com/src-opencloudos-rpms/zlib.git /var/lib/mock/dist-oc9-build-72370-47685/root/chroot_tmpdir/scmroot/zlib
Cloning into '/var/lib/mock/dist-oc9-build-72370-47685/root/chroot_tmpdir/scmroot/zlib'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/zlib
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 934be53 import zlib-1.2.13-4.tl4