$ git clone -n https://gitee.com/opencloudos-stream/rust-alloc-no-stdlib.git /var/lib/mock/dist-oc9-epol-build-157972-79742/root/chroot_tmpdir/scmroot/rust-alloc-no-stdlib
Cloning into '/var/lib/mock/dist-oc9-epol-build-157972-79742/root/chroot_tmpdir/scmroot/rust-alloc-no-stdlib'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/rust-alloc-no-stdlib
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c86c0d0 !1 Rebuilt for loongarch64 Merge pull request !1 from jiaxinyyang/master