$ git clone -n https://gitee.com/opencloudos-stream/rust-num-traits.git /var/lib/mock/dist-oc9-epol-build-161143-79747/root/chroot_tmpdir/scmroot/rust-num-traits
Cloning into '/var/lib/mock/dist-oc9-epol-build-161143-79747/root/chroot_tmpdir/scmroot/rust-num-traits'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/rust-num-traits
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 31fb3f7 !1 Rebuilt for loongarch64 Merge pull request !1 from lwy605/master