$ git clone -n https://gitee.com/opencloudos-stream/rust-serial_test2.git /var/lib/mock/dist-ocs23-epol9-build-207094-14831/root/chroot_tmpdir/scmroot/rust-serial_test2
Cloning into '/var/lib/mock/dist-ocs23-epol9-build-207094-14831/root/chroot_tmpdir/scmroot/rust-serial_test2'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/rust-serial_test2
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 178f71a update