Install a standalone Lua environment

luanova.sh

#!/usr/bin/env sh

# Download this script and run:
# ./luanova.sh $destin_folder
# ($destin_folder is optional)

# THIS SCRIPT BUILD AND INSTALL A STANDALONE LUA AND LUAROCKS PACKAGE
# IF YOU CHANGE THE PATH, PLEASE RUN THIS SCRIPT AGAIN (BECAUSE LUAROCKS ABSOLUTE PATHS)

# FUNCTIONS
clean_old_installation () {
    echo "\n########## CLEANING OLD INSTALLATION"

    rm -rf $base_path/bin/
    rm -rf $base_path/etc/
    rm -rf $base_path/include/
    rm -rf $base_path/lib/
    rm -rf $base_path/man/
    rm -rf $base_path/share/
    rm -rf $base_path/tmp/
    rm -rf $base_path/openresty/
 
    echo "Done"
}

install_lua () {
    echo "\n########## INSTALLING LUA $lua_version"
 
    if [ ! -f "/tmp/lua-$lua_version.tar.gz" ]
    then
        wget http://www.lua.org/ftp/lua-$lua_version\.tar.gz -P /tmp/
    fi
    mkdir $base_path/tmp
    cd $base_path/tmp/
    tar -xvf /tmp/lua-$lua_version\.tar.gz
    cd lua-$lua_version/
    sed -ie 's/\/usr\/local/\./' src/luaconf.h
    make $platform install INSTALL_TOP=../../../
 
    echo "Done"
}

install_luarocks () {
    echo "\n########## INSTALLING LUAROCKS"
 
    if [ ! -f "/tmp/luarocks-$luarocks_version.tar.gz" ]
    then
        wget http://luarocks.org/releases/luarocks-$luarocks_version\.tar.gz -P /tmp/
    fi
    rm -rf $base_path/etc/luarocks/
    rm -f $base_path/bin/luarocks*
    cd $base_path/tmp/
    tar -xvf /tmp/luarocks-$luarocks_version\.tar.gz
    cd luarocks-$luarocks_version
    ./configure --prefix=$base_path --with-lua=$base_path --force-config
    make build install
 
    echo "Done"
}

install_luajit () {
    echo "\n########## INSTALLING LUAJIT"
 
    if [ ! -f "/tmp/LuaJIT-$luajit_version.tar.gz" ]
    then
        wget http://luajit.org/download/LuaJIT-$luajit_version\.tar.gz -P /tmp/
    fi
    rm -f $base_path/bin/luajit*
    cd $base_path/tmp/
    tar -xvf /tmp/LuaJIT-$luajit_version\.tar.gz
    cd LuaJIT-$luajit_version
    make PREFIX=.
    make install PREFIX=$base_path
 
    echo "Done"
}

install_openresty () {
    echo "\n########## INSTALLING OPENRESTY"

    if [ ! -f "/tmp/openresty-$openresty_version.tar.gz" ]
    then
        wget http://openresty.org/download/openresty-$openresty_version\.tar.gz -P /tmp/
    fi
    cd $base_path/tmp/
    tar -xvf /tmp/openresty-$openresty_version\.tar.gz
    cd openresty-$openresty_version
    ./configure --prefix=$base_path/openresty
    make
    make install

    echo "Done"
}

remove_temp_files () {
    echo "\n########## REMOVING INSTALLER TEMP FOLDER"
 
    cd $base_path
    rm -rf tmp/
 
    echo "Done"
}

update_script () {
    echo "\n########## UPDATING SCRIPT"

    read -p "Do you want to update this script? (y/N) " answer
    if [ "$answer" = "y" ]
    then
        wget https://gist.githubusercontent.com/henriquegogo/c96cf1728196306360dd/raw -O $script_path._update
        if [ -f "$script_path._update" ]
        then
            mv $script_path._update $script_path
            chmod +x $script_path
        fi
    fi
 
    echo "Done"
}

show_help () {
    echo "usage ./luanova.sh [--help] [--luarocks] [--luajit] [--openresty]"
    echo "                   [--no-lua] [--keep-temp] [--skip-update] <path>"
    echo
    echo "Argument options explanation"
    echo "  -h, --help          this message"
    echo "  -r, --luarocks      install luarocks"
    echo "  -j, --luajit        install luajit"
    echo "  -o, --openresty     install openresty"
    echo "  -n, --no-lua        do not install lua"
    echo "  -k, --keep-temp     do not remove temp installation folder"
    echo "  -s, --skip-update   do not ask to update this script"
    echo
    echo "http://henriquegogo.github.io"
    exit 0
}

# COMMAND LINE OPTIONS
if [ $# = 0 ]
then
    show_help
fi

luarocks_will_install=false
luajit_will_install=false
openresty_will_install=false
lua_will_install=true
keep_temp=false
skip_update=false

while [ "$1" != "" ]; do
    case $1 in
        -h | --help) show_help;;
        -r | --luarocks) luarocks_will_install=true;;
        -j | --luajit) luajit_will_install=true;;
        -o | --openresty) openresty_will_install=true;;
        -n | --no-lua) lua_will_install=false;;
        -k | --keep-temp) keep_temp=true;;
        -s | --skip-update) skip_update=true;;
        *) input_path=$1; break;;
    esac
    shift
done

# VERSIONS AND PATHS
lua_version=5.1.5
luajit_version=2.0.5
luarocks_version=3.1.3
openresty_version=1.15.8.1
platform=linux
base_path=$(pwd)/$input_path
script_path="$( cd "$( dirname "$0" )" && pwd )"/luanova.sh

# RUNNING FUNCTIONS
clean_old_installation
if [ $lua_will_install = true ]; then install_lua; fi
if [ $luarocks_will_install = true ]; then install_luarocks; fi
if [ $luajit_will_install = true ]; then install_luajit; fi
if [ $openresty_will_install = true ]; then install_openresty; fi
if [ $keep_temp = false ]; then remove_temp_files; fi
if [ $skip_update = false ]; then update_script; fi