Dead simple auto-deploy script for REMU

autodeploy.rb

require 'sinatra'
require 'json'

post '/' do
  puts "Something is coming..."
  
  if(!params[:payload])
    return "Not Github request - ignoring"
    puts "Someone is bothering me."
  end
  push = JSON.parse(params[:payload])
  
  if (push['ref'] != 'refs/heads/master')
    return "Not master push - ignoring"
  end
  
  repo = push['repository']['name'];
  
  if (repo == 'remu-webclient')
    Dir.chdir('/opt/remu-webapp')
  elsif (repo == 'remu-server')
    Dir.chdir('/opt/remu-server')
  end
  
  if(system("/usr/bin/git pull origin master"))
    puts "Successfully pulled repository: #{repo}"
  end
  
  if (repo == 'remu-server')
    if(system("forever stop /opt/remu-server/app.js && forever start /opt/remu-server/app.js"))
      puts "Successfully restarted API server"
    end
  elsif (repo == 'remu-webclient')
    if(system "grunt rebuild")
      puts "Grunt job completed"
    end
  end
  
  return "Job done!"
  
end