POSTIN

/bin/sh

/usr/sbin/update-alternatives --install /usr/bin/lua lua /usr/bin/lua5.0 50 --slave /usr/bin/luac luac /usr/bin/luac5.0

POSTUN

/bin/sh

[[ -f /usr/bin/lua5.0 ]] || /usr/sbin/update-alternatives --remove lua /usr/bin/lua5.0