$ git clone -n https://gitee.com/opencloudos-stream/rust-nix0.22.git /var/lib/mock/dist-oc9-epol-build-186163-80276/root/chroot_tmpdir/scmroot/rust-nix0.22
Cloning into '/var/lib/mock/dist-oc9-epol-build-186163-80276/root/chroot_tmpdir/scmroot/rust-nix0.22'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/rust-nix0.22
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b8037cc !2 fix build error for nix on loongarch64 Merge pull request !2 from zhangwenlong01/master