setup.sh

#!/bin/bash

###############
### For Mac ###
###############

if [ "$(uname)" = "Darwin" ]
then
  DIR=$(pwd)
  cp config/database.yml.example config/database.yml
  cp config/secrets.yml.example config/secrets.yml

  NODE_VERSION=8.4.0
  NPM_VERSION=5.4.2
  
  echo 'Install Third-party Javascript Libraries for Mac OS X platform'

 # Checking Homebrew
  which -s brew
  if [[ $? != 0 ]] ; then
      # Install Homebrew
      /usr/bin/ruby -e "$(curl -fsSL https://raw.github.com/gist/323731)"
      echo "Brew was not installed"
  else
      echo "Brew already there"
      brew update
  fi

  # Checking Git
  echo "Checking for Git"
  which -s git || brew install git

  # Checking Node
  echo "Checking for Node"
  node --version
  if [[ $? != 0 ]] ; then
      # Install Node
      cd `brew --prefix`
      $(brew versions node | grep ${NODE_VERSION} | cut -c 16- -)
      brew install node

      # Reset Homebrew formulae versions
      git reset HEAD `brew --repository` && git checkout -- `brew --repository`
  else
    echo "NodeJS $(node -v) is already installed"
  fi

    cd $DIR
  # Checking NPM
  echo "Checking for NPM"
  npm --version
  if [[ $? != 0 ]] ; then
      echo "Downloading npm"
      git clone git://github.com/isaacs/npm.git && cd npm
      git checkout v${NPM_VERSION}
      make install
  else
      echo "NPM $(npm --version) is already installed"
      echo "Looking for an update"
      sudo npm i -g npm
  fi
      sudo npm install -g bower && bower install

#################
### For Linux ###
#################

elif [ "$(expr substr $(uname -s) 1 5)" = "Linux" ]
then
    cp config/database.yml.example config/database.yml
    cp config/secrets.yml.example config/secrets.yml
    
    echo 'Install Third-party Javascript Libraries for Linux Platform'
    sudo apt-get update  
    sudo apt-get install build-essential libssl-dev

    curl -sL https://deb.nodesource.com/setup_8.x | sudo -E bash -

    sudo apt-get install -y nodejs && sudo apt-get install -y npm && sudo ln -s /usr/bin/nodejs /usr/bin/node
    
  # Checking NPM
    echo "Checking for NPM"
    npm --version
    if [ $? != 0 ]
    then
        echo "Installing NPM"
        sudo apt-get install -y npm
    else
        echo "NPM was already installed"
        echo "Looking for an update"
        sudo npm i -g npm
    fi
    
    # Installing Bower
    
    sudo chown -R $USER:$GROUP ~/.npm
    sudo chown -R $USER:$GROUP ~/.config
    
    sudo npm install -g bower
    bower install
    sudo apt-get autoremove
    
######################
### For Windows :( ###
######################

elif [ -n "$COMSPEC" -a -x "$COMSPEC" ]
then 
  echo $0: this script does not support Windows \:\(
fi