$ git clone -n https://gitee.com/opencloudos-stream/rust-unicode-bom.git /var/lib/mock/dist-oc9-epol-build-89735-58486/root/chroot_tmpdir/scmroot/rust-unicode-bom
Cloning into '/var/lib/mock/dist-oc9-epol-build-89735-58486/root/chroot_tmpdir/scmroot/rust-unicode-bom'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/rust-unicode-bom
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f4fafc5 update