$ git clone -n https://gitee.com/opencloudos-stream/rust-tokio-stream.git /var/lib/mock/dist-oc9-epol-build-99235-60407/root/chroot_tmpdir/scmroot/rust-tokio-stream
Cloning into '/var/lib/mock/dist-oc9-epol-build-99235-60407/root/chroot_tmpdir/scmroot/rust-tokio-stream'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/rust-tokio-stream
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1d143d1 update