$ git clone -n https://gitee.com/src-opencloudos-rpms/gzip.git /var/lib/mock/dist-oc9-build-41580-14591/root/chroot_tmpdir/scmroot/gzip
Cloning into '/var/lib/mock/dist-oc9-build-41580-14591/root/chroot_tmpdir/scmroot/gzip'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/gzip
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at eec0476 import gzip-1.12-4.tl4