$ git clone -n https://gitee.com/src-opencloudos-rpms/zlib /var/lib/mock/dist-oc8-build-58180-15992/root/chroot_tmpdir/scmroot/zlib
Cloning into '/var/lib/mock/dist-oc8-build-58180-15992/root/chroot_tmpdir/scmroot/zlib'...
$ git fetch origin oc8:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/zlib
 * [new branch]      oc8        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c9e9e5a import zlib-1.2.11-25.tl3