raker.rb

#!/usr/bin/ruby

begin
  require "readline"
rescue LoadError
  STDERR.puts "No readline found"
end

load "Rakefile"
Rake::Task["environment"].invoke

last_input = ARGV.first || "test"

begin
  while true

    prompt = "Task [#{last_input}]> "
    input = if defined?(Readline)
      Readline.readline(prompt, true)
    else
      STDOUT.print
      input = STDIN.readline.strip
    end

    if input.blank?
      input = [last_input]
    else
      last_input = input
    end

    Process.waitpid(fork do
      ActiveRecord::Base.connection.reconnect! rescue STDERR.puts("No reconnect: #$!")

      tasks = []
      input.split.each do |item|
        if item.include?("=")
          name, value = item.split("=", 2)
          ENV[name] = value
        else
          tasks << item
        end
      end

      tasks.each do |task_name|
        Rake::Task[task_name].invoke
      end
    end)
  end
rescue Interrupt, EOFError
  puts "^C"
end