$ git clone -n https://gitee.com/src-opencloudos-rpms/zlib.git /var/lib/mock/dist-oc9-build-123615-73039/root/chroot_tmpdir/scmroot/zlib
Cloning into '/var/lib/mock/dist-oc9-build-123615-73039/root/chroot_tmpdir/scmroot/zlib'...
$ git fetch origin dc19ad3da8f85688774583f3e869b4927009ae7d:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/zlib
 * [new ref]         dc19ad3da8f85688774583f3e869b4927009ae7d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at dc19ad3 import zlib-1.2.13-9.tl4