Preparing to unpack .../lua5.2_5.2.4-1.1build3_amd64.deb ...
Unpacking lua5.2 (5.2.4-1.1build3) ...
Setting up lua5.2 (5.2.4-1.1build3) ...
update-alternatives: error: alternative link /usr/bin/lua is already managed by lua
dpkg: error processing package lua5.2 (--configure):
 installed lua5.2 package post-installation script subprocess returned error exit status 2