$ git clone -n https://gitee.com/opencloudos-stream/rust-smol_str.git /var/lib/mock/dist-ocs23-epol9-build-204170-14635/root/chroot_tmpdir/scmroot/rust-smol_str
Cloning into '/var/lib/mock/dist-ocs23-epol9-build-204170-14635/root/chroot_tmpdir/scmroot/rust-smol_str'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/rust-smol_str
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3273741 update