$ git clone -n https://gitee.com/wenyuzifang/cargo2rpm.git /var/lib/mock/dist-an23-build-485202-74348/root/chroot_tmpdir/scmroot/cargo2rpm
Cloning into '/var/lib/mock/dist-an23-build-485202-74348/root/chroot_tmpdir/scmroot/cargo2rpm'...
$ git fetch origin 30a52dc2567de6bca81384d93a5a70c34b9a59a1:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/cargo2rpm
 * [new ref]         30a52dc2567de6bca81384d93a5a70c34b9a59a1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 30a52dc Update code from upstream