Rakefile

namespace :deploy do

  desc "Deploy if Travis environment variables are set correctly"
  task :travis do
    branch = ENV['TRAVIS_BRANCH']
    pull_request = ENV['TRAVIS_PULL_REQUEST']

    abort 'Must be run on Travis' unless branch

    if pull_request != 'false'
      puts 'Skipping deploy for pull request; can only be deployed from master branch.'
      exit 0
    end

    if branch != 'master'
      puts "Skipping deploy for #{ branch }; can only be deployed from master branch."
      exit 0
    end

    sh 'bundle exec middleman s3_sync'
  end
end

desc "Build site locally"
task :build do
  sh 'bundle exec middleman build --verbose'
end

desc "Start middleman server"
task :server do
  puts "Starting Middleman server"

  middleman = Process.spawn("bundle exec middleman")

  trap("INT") {
    Process.kill(9, middleman) rescue Errno::ESRCH
    exit 0
  }

  Process.wait(middleman)
end

task :default => :server