install

#!/usr/bin/ruby

# Preamble
system "clear"

puts "Mac Formatter Installer"
puts
puts "You can update or reinstall Mac Formatter by running this script a second time."
puts
puts
puts "This script will install the following:"
puts "1. The mac_formatter command line tool"
puts "2. The Docopt gem, required by the cli tool"
puts "3. The OS X services providing right-click conversions"
puts "Note: You may have to type your admin password to install some components."
print "Would you like to continue? (y/n) > "
response = gets.chomp.strip.downcase

options = %w(y n)
until options.include? response
  puts "Invalid option. Enter y or n."
  print "> "
  response = gets.chomp.strip.downcase
end

case response
when "n"
  puts "Exiting..."
  sleep 2
  exit
when "y"
  puts "Beginning install..."
  sleep 2
  puts
end


# install the Docopt gem.
def install_docopt
  # Check for docopt gem. Use system gem, not rbenv or rvm.
  # The OS X services will require use of system Ruby.
  begin
    require 'docopt'
    docopt_status = true
  rescue LoadError => e
    docopt_status = false  
  end

  unless docopt_status
    puts "Docopt gem does not appear to be installed."
    puts "Installing..."
    `sudo /usr/bin/gem install docopt --no-document 2> /dev/null`
    if $?.success?
      puts
      puts "Docopt installed successfully."
    else
      puts "Docopt gem failed to install."
      puts "Check your Ruby configuration and try again."
      exit
    end
  end  
end


# Install the mac_format CLI Tool.
def install_cli_tool
  # check for /usr/local/bin. Create if necessary.
  if File.directory?('/usr/local/bin')
    puts "/usr/local/bin exists..."
  else
    puts "/usr/local/bin does not exist, creating..."
    `sudo mkdir /usr/local/bin && chmod 0755 /usr/local/bin`
  end

  Dir.chdir('/usr/local/bin')

  # Download mac_format
  puts "Downloading CLI tool..."
  `sudo curl -s -O https://raw.githubusercontent.com/xraystyle/mac_format/master/mac_format && sudo chmod a+x mac_format`
  if $?.success?
    puts "mac_format CLI tool installed..."
    puts
  else
    puts "Error installing CLI tool."
    puts "mac_format failed to download."
    exit
  end
end

# Install the OS X contextual menu Automator services.
def install_services
  Dir.chdir(File.expand_path("~/Library/Services"))
  puts "Downloading the OS X right-click services..."

  `curl -s -O https://raw.githubusercontent.com/xraystyle/mac_format/master/services.tar.gz`
  `tar -xzf services.tar.gz > /dev/null 2>&1`
  unless $?.success?
    puts "There was an error downloading the OS X services."
    puts "Try running the installer again."
    exit
  end
  `rm services.tar.gz`
  puts "OS X services installed successfully."
  puts 

end


########################### Begin Script ###########################

install_docopt
install_cli_tool
install_services

puts "MAC Formatter appears to have installed successfully."
puts "See the readme at https://github.com/xraystyle/mac_format for usage instructions."
puts
puts

exit 0