Move to Lua 5.3.

Also new shell script to install Luarocks (for Lua5.3) (on Ubuntu 16.04) and all
necessary rocks.
Updated tg-install.sh to not include all the needless dependencies.

README.md

@@ -18,7 +18,7 @@ otouto (including all plugins and documentation) is free software; you are free
 | [List of plugins](#list-of-plugins)           | [Contributors](#contributors) |
 
 ## Setup
-You _must_ have Lua (5.2+), luasocket, luasec, multipart-post, and dkjson installed. You should also have lpeg, though it is not required. It is recommended you install these with LuaRocks.
+You _must_ have Lua 5.3, luasocket, luasec, multipart-post, and dkjson installed. You should also have lpeg, though it is not required. It is recommended you install these with LuaRocks.
 
 To get started, clone the repository and set the following values in `config.lua`:
 

install-dependencies.sh

@@ -0,0 +1,22 @@
+# This script will attempt to install Lua 5.3, Luarocks (pointed at 5.3), and
+# the rocks necssary to run otouto. This script targets Ubuntu 16.04; it will
+# probably not work on any earlier version of Ubuntu.
+
+#!/bin/sh
+echo 'Requesting root privileges to install necessary packages:'
+echo 'lua5.3 liblua5.3-dev git libssl-dev fortune-mod fortunes'
+sudo apt-get update
+sudo apt-get install -y lua5.3 liblua5.3-dev git libssl-dev fortune-mod fortunes
+git clone http://github.com/keplerproject/luarocks
+cd luarocks
+./configure --lua-version=5.3 --versioned-rocks-dir --lua-suffix=5.3
+make build
+sudo make install
+sudo luarocks-5.3 install luasocket
+sudo luarocks-5.3 install luasec
+sudo luarocks-5.3 install multipart-post
+sudo luarocks-5.3 install lpeg
+sudo luarocks-5.3 install dkjson
+cd ..
+echo 'Finished. Use ./launch to start otouto.'
+echo 'Be sure to set your bot token in config.lua.'

launch.sh

@@ -1,7 +1,13 @@
 #!/bin/sh
 
-while true; do
-    lua main.lua
+# Ubuntu 16.04 seems to not link "lua" to lua5.3.
+if type lua5.3 >/dev/null 2>/dev/null; then
+    while true; do
+        lua5.3 main.lua
         echo 'otouto has stopped. ^C to exit.'
         sleep 5s
-done
+    done
+else
+    echo 'Lua 5.3 was not found.'
+    exit
+fi

otouto/bot.lua

@@ -27,6 +27,8 @@ bot.version = '3.13'
  -- Function to be run on start and reload.
 function bot:init(config)
 
+    assert(config.bot_api_key, 'You didn\'t set your bot token in config.lua!')
+
     bindings = require('otouto.bindings').init(config.bot_api_key)
     utilities = require('otouto.utilities')
 

otouto/plugins/administration.lua

@@ -1066,7 +1066,7 @@ function administration.init_command(self_, config_)
 
             command = 'alist',
             privilege = 3,
-            interior = true,
+            interior = false,
             doc = 'Returns a list of administrators. Owner is denoted with a star character.',
 
             action = function(self, msg, group, config)

otouto/plugins/luarun.lua

@@ -36,7 +36,7 @@ function luarun:action(msg, config)
     end
 
     local output, success =
-        loadstring("local bot = require('otouto.bot')\n\z
+        load("local bot = require('otouto.bot')\n\z
         local bindings = require('otouto.bindings')\n\z
         local utilities = require('otouto.utilities')\n\z
         local drua = require('otouto.drua-tg')\n\z

tg-install.sh

@@ -5,11 +5,12 @@
 # alternative), figure it out yourself.
 
 echo 'Requesting root privileges to install necessary packages:'
-echo 'libreadline-dev libconfig-dev libssl-dev lua5.2 liblua5.2-dev libevent-dev libjansson-dev libpython-dev make'
-sudo apt-get install libreadline-dev libconfig-dev libssl-dev lua5.2 liblua5.2-dev libevent-dev libjansson-dev libpython-dev make
-echo 'Compiling tg, test branch.'
+echo 'git libreadline-dev libssl-dev libevent-dev make'
+sudo apt-get update
+sudo apt-get install -y git libreadline-dev libssl-dev libevent-dev make
 git clone http://github.com/vysheng/tg --recursive -b test
 cd tg
-./configure
+./configure --disable-libconfig --disable-liblua --disable-json
 make
-echo 'All done! Use ./tg-launch.sh to launch tg. Be sure to log in with your Telegram account.'
+echo 'All done! Use ./tg-launch.sh to launch tg.'
+echo 'Be sure to log in with your Telegram account.'