$ git clone -n https://gitee.com/lizhao2025/lua-posix.git /var/lib/mock/dist-an23-build-499937-74764/root/chroot_tmpdir/scmroot/lua-posix
Cloning into '/var/lib/mock/dist-an23-build-499937-74764/root/chroot_tmpdir/scmroot/lua-posix'...
$ git fetch origin fd983802572a8ef4fcd6a1b9bd1124b9510dc90c:KOJI_FETCH_HEAD
From https://gitee.com/lizhao2025/lua-posix
 * [new ref]         fd983802572a8ef4fcd6a1b9bd1124b9510dc90c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fd98380 Update code from upstream