$ git clone -n https://gitee.com/opencloudos-stream/rust-primal-sieve.git /var/lib/mock/dist-ocs23-epol9-build-218307-16573/root/chroot_tmpdir/scmroot/rust-primal-sieve
Cloning into '/var/lib/mock/dist-ocs23-epol9-build-218307-16573/root/chroot_tmpdir/scmroot/rust-primal-sieve'...
$ git fetch origin vendor:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/rust-primal-sieve
 * [new branch]      vendor     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4ddb6e8 add vendor