$ git clone -n https://gitee.com/opencloudos-stream/ecj.git /var/lib/mock/dist-ocs23-base-build-304838-30856/root/chroot_tmpdir/scmroot/ecj
Cloning into '/var/lib/mock/dist-ocs23-base-build-304838-30856/root/chroot_tmpdir/scmroot/ecj'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/ecj
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ad396b4 !1 重写了构建逻辑 Merge pull request !1 from jeremiazhao/master