NodeMC Setup Script

setup.sh

#!/bin/sh
#
# Shell setup script for NodeMC
#


# Spinner from
# https://github.com/marascio/bash-tips-and-tricks/tree/master/showing-progress-with-a-bash-spinner
spinner()
{
    local pid=$1
    local delay=0.25
    local spinstr='|/-\'
    echo "$pid" > "/tmp/.spinner.pid"
    while [ "$(ps a | awk '{print $1}' | grep $pid)" ]; do
        local temp=${spinstr#?}
        printf " [%c]  " "$spinstr"
        local spinstr=$temp${spinstr%"$temp"}
        sleep $delay
        printf "\b\b\b\b\b\b"
    done
    printf "    \b\b\b\b"
}

# Function to clean up if script exits prematurely
cleanup() 
{
  echo "Cleaning up..."
  rm temp.zip
}
trap cleanup EXIT

#
# Main program to download & install NodeMC
#
clear
echo "Hello, let's get NodeMC set up for you!"
echo "Fetching latest release..."

if [ ! -f nmc ]; then
    echo "nmc binary not found, downloading release."
    wget https://nodemc.space/release_linux.zip -q -O temp.zip -T 4 &
    spinner $!
else
    echo "nmc binary found, downloading updated binary package."
    wget https://nodemc.space/update_linux.zip -q -O temp.zip -T 4 &
    spinner $!
fi

echo "Unzipping release package."
unzip -o temp.zip & spinner $!

echo "Creating directories for jarfiles (requires root!)."
sudo mkdir /home/nodemc/
sudo mkdir /var/nodemc/
sudo mkdir /var/nodemc/server_files/

echo "Downloading vanilla jarfile from Mojang."
sudo wget https://s3.amazonaws.com/Minecraft.Download/versions/1.8.9/minecraft_server.1.8.9.jar -q -O /var/nodemc/server_files/vanilla.latest.jar -T 4 &
spinner $!
sudo chmod +x /var/nodemc/server_files/vanilla.latest.jar

if [ ! -f server.properties ]; then
    echo "Running Minecraft server for the first time (512MB)"
    java -Xmx512M -Xms512M -jar /var/nodemc/server_files/vanilla.latest.jar nogui >/dev/null &
    spinner $!
fi

echo "All done!"

sleep 2
echo "You're all good to go! Just run ./nmc then go to localhost:3000"
echo "(See the website about setting up a server FIRST!)"
echo "Enjoy using NodeMC for Linux Beta r1"