diff --git a/README.md b/README.md
index 91f0120..a6787f7 100644
--- a/README.md
+++ b/README.md
@@ -468,23 +468,15 @@ Installation
 ------------
 ```bash
 # Tested on Ubuntu 14.04, for other OSs check out https://github.com/vysheng/tg#installation
-$ sudo apt-get install libreadline-dev libconfig-dev libssl-dev lua5.2 liblua5.2-dev libevent-dev unzip git
-$ cd /tmp
-$ wget http://luarocks.org/releases/luarocks-2.2.0.tar.gz
-$ tar -xzvf luarocks-2.2.0.tar.gz
-$ cd luarocks-2.2.0/
-$ ./configure
-$ make && sudo make install
-$ sudo luarocks install oauth
-$ sudo luarocks install luasocket
+sudo apt-get install libreadline-dev libconfig-dev libssl-dev lua5.2 liblua5.2-dev libevent-dev make unzip git
 ```
+
 ```bash
 # After those dependencies, lets install the bot
-$ cd $HOME
-$ git clone https://github.com/yagop/telegram-bot.git --recursive
-$ cd telegram-bot/tg
-$ ./configure && make && cd ..
-$ ./launch.sh # Will ask you for a phone number & confirmation code.
+cd $HOME
+git clone https://github.com/yagop/telegram-bot.git 
+./launch.sh install
+./launch.sh # Will ask you for a phone number & confirmation code.
 ```
 
 Enable more [`plugins`](https://github.com/yagop/telegram-bot/tree/master/plugins)
diff --git a/launch.sh b/launch.sh
index 9b365b2..3c1d9f7 100755
--- a/launch.sh
+++ b/launch.sh
@@ -1,17 +1,78 @@
-#!/bin/sh
+#!/usr/bin/env bash
 
-cd "$(dirname "$0")"
+THIS_DIR=$(cd $(dirname $0); pwd)
 
-if [ ! -f ./tg/telegram.h ]; then
-    echo "Download tg first:"
-    echo "git submodule update --init --recursive"
-    exit
-fi
+update() {
+  git pull
+  git submodule update --init --recursive
+  install_rocks
+}
 
-if [ ! -f ./tg/bin/telegram-cli ]; then
-    echo "Compile telegram first:"
-    echo "cd tg && ./configure && make"
-    exit
-fi
+# Will install luarocks on THIS_DIR/.luarocks
+install_luarocks() {
+  git clone https://github.com/keplerproject/luarocks.git
+  cd luarocks
+  git checkout tags/v2.2.1 # Current stable
+   
+  PREFIX="$THIS_DIR/.luarocks"
+  
+  ./configure --prefix=$PREFIX --sysconfdir=$PREFIX/luarocks --force-config
+  
+  RET=$?; if [ $RET -ne 0 ];
+    then echo "Error. Exiting."; exit $RET; 
+  fi
 
-./tg/bin/telegram-cli -k tg/tg-server.pub -s ./bot/bot.lua -l 1
+  make build && make install
+  RET=$?; if [ $RET -ne 0 ];
+    then echo "Error. Exiting.";exit $RET;
+  fi
+   
+  cd ..
+  rm -rf luarocks
+}
+
+install_rocks() {
+  ./.luarocks/bin/luarocks install luasocket
+  RET=$?; if [ $RET -ne 0 ];
+    then echo "Error. Exiting."; exit $RET;
+  fi
+
+  ./.luarocks/bin/luarocks install oauth
+  RET=$?; if [ $RET -ne 0 ];
+    then echo "Error. Exiting."; exit $RET;
+  fi
+}
+
+install() {
+  cd tg && ./configure && make
+  RET=$?; if [ $RET -ne 0 ];
+    then echo "Error. Exiting."; exit $RET;
+  fi
+  cd ..
+  install_luarocks
+  install_rocks
+}
+
+if [ "$1" = "install" ]; then
+  update
+  install
+elif [ "$1" = "update" ]; then
+  update
+else
+  if [ ! -f ./tg/telegram.h ]; then
+    echo "tg not found"
+    echo "Run $0 install"
+    exit 1
+  fi
+
+  if [ ! -f ./tg/bin/telegram-cli ]; then
+    echo "tg binary not found"
+    echo "Run $0 install"
+    exit 1
+  fi
+  
+  PREFIX="$THIS_DIR/.luarocks"
+  export LUA_CPATH=";;${PREFIX}/lib/lua/5.2/?.so"
+  export LUA_PATH=";;${PREFIX}/share/lua/5.2/?.lua;${PREFIX}/share/lua/5.2/?/init.lua"
+  ./tg/bin/telegram-cli -k tg/tg-server.pub -s ./bot/bot.lua -l 1
+fi
\ No newline at end of file