$ git clone -n https://gitee.com/opencloudos-stream/lorax.git /home/lib/mock/dist-ocs23-loongarch64-build-210428-15151/root/chroot_tmpdir/scmroot/lorax
Cloning into '/home/lib/mock/dist-ocs23-loongarch64-build-210428-15151/root/chroot_tmpdir/scmroot/lorax'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/lorax
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1f8a391 !8 fix loongarch64 architecture failure to generate livecd problem Merge pull request !8 from dpd/master