$ git clone -n https://gitee.com/opencloudos-stream/rust-maybe-uninit.git /var/lib/mock/dist-oc9-epol-build-160885-79746/root/chroot_tmpdir/scmroot/rust-maybe-uninit
Cloning into '/var/lib/mock/dist-oc9-epol-build-160885-79746/root/chroot_tmpdir/scmroot/rust-maybe-uninit'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/rust-maybe-uninit
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 60f8649 !1 Rebuilt for loongarch64 Merge pull request !1 from lwy605/master