$ git clone -n https://gitee.com/opencloudos-stream/rust-num-bigint.git /var/lib/mock/dist-ocs23-epol9-build-202855-14565/root/chroot_tmpdir/scmroot/rust-num-bigint
Cloning into '/var/lib/mock/dist-ocs23-epol9-build-202855-14565/root/chroot_tmpdir/scmroot/rust-num-bigint'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/rust-num-bigint
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3821e6f update