$ git clone -n https://gitee.com/mgb01105731/lua-posix.git /var/lib/mock/dist-an23-build-328891-69136/root/chroot_tmpdir/scmroot/lua-posix
Cloning into '/var/lib/mock/dist-an23-build-328891-69136/root/chroot_tmpdir/scmroot/lua-posix'...
$ git fetch origin c255014598c2bdc30e6611bdc07274e567ee6d1f:KOJI_FETCH_HEAD
From https://gitee.com/mgb01105731/lua-posix
 * [new ref]         c255014598c2bdc30e6611bdc07274e567ee6d1f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c255014 update to version 36.2.1