$ git clone -n https://gitee.com/opencloudos-stream/maven.git /var/lib/mock/dist-ocs23-base-build-303499-30556/root/chroot_tmpdir/scmroot/maven
Cloning into '/var/lib/mock/dist-ocs23-base-build-303499-30556/root/chroot_tmpdir/scmroot/maven'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/maven
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at afc93d4 !2 升级到3.9.9，并且使用了新的构建方式 Merge pull request !2 from jeremiazhao/master