$ git clone -n https://gitee.com/opencloudos-stream/rust-choose.git /var/lib/mock/dist-oc9-epol-build-90147-58713/root/chroot_tmpdir/scmroot/rust-choose
Cloning into '/var/lib/mock/dist-oc9-epol-build-90147-58713/root/chroot_tmpdir/scmroot/rust-choose'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/rust-choose
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7d60a28 !3 Initial build Merge pull request !3 from 赵云/master