A modifiable script to download a fresh, non-root set of Ruby, gems, and other files in one fell swoop, in a way that's quick and allows the directory to be copied or moved.

bunk

# A script to create a new project. Just download, chmod it to 755, then try:
#   bunk project_name
project_name = ARGV[0]

`mkdir #{project_name} #{project_name}/lib #{project_name}/bin`

files = {
  "LICENSE.txt" => %{(The MIT License)

Copyright (c) 2009 thefifthcircuit.

Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
'Software'), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:

The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
},
  "README.txt" => %{#{project_name}
  by Roger Jungemann
  http://thefifthcircuit.com/

== DESCRIPTION:

== FEATURES/PROBLEMS:

== SYNOPSIS:

== REQUIREMENTS:

== INSTALL:
  
},
  "Rakefile" => %{require 'rake/gempackagetask'

spec = Gem::Specification.new do |s| 
  s.name = "#{project_name}"
  s.version = "0.0.1"
  s.author = "Roger Jungemann"
  s.email = "[email protected]"
  s.homepage = "http://thefifthcircuit.com"
  s.platform = Gem::Platform::RUBY
  s.summary = ""
  s.description = ""
  s.files = FileList["{bin,lib}/**/*"].to_a
  s.require_path = "lib"
  #s.autorequire = "name"
  #s.test_files = FileList["{spec,test}/**/*.rb"].to_a
  s.has_rdoc = false
  #s.extra_rdoc_files = ["LICENSE.txt, README.txt"]
  #s.add_dependency("moneta")
end

Rake::GemPackageTask.new(spec) do |pkg| 
  pkg.need_tar = true 
end}
}

files.each_pair { |k, v| File.open("#{project_name}/#{k}", "w") { |f| f.puts v }}

compound2.rb

# a modifiable script to download a fresh, non-root set of Ruby, gems, and
# other files in one fell swoop, in a way that's quick and allows the
# directory to be copied or moved. Assuming you're viewing this file over the
# Internet, you can simply run:
#   curl URL_TO_THIS_SCRIPT | ruby
files {
  "homebrew/monit.conf" => %{},
  "homebrew/redis.conf" => %{},
  "homebrew/Rakefile" => %{desc "Install utilities into the current directory."
    task :install do
      sh "bin/brew install ruby"
      sh "bin/brew install monit"
      sh "bin/brew install dtach"
      sh "bin/brew install rlwrap"
      sh "bin/brew install node"
      sh "bin/brew install redis"
    end

    task :install_bunk do
      sh "cd bin && curl -O http://gist.github.com/raw/292393/518b2de6c8ed8d410db4cbb2065167bb4abb1a2c/bunk"
      sh "cd bin && chmod 755 bunk"
    end
    
    namespace :redis do
      task :start do
        puts 'Detach with Ctrl+\  Re-attach with rake redis:attach'
        sleep 1
        exec "dtach -A tmp/redis.dtach redis-server redis.conf"
      end

      task :attach do
        exec "dtach -a tmp/redis.dtach"
      end

      task :stop do
        sh 'echo "SHUTDOWN" | nc localhost 6379'
      end
    end
    
    task :default do
      sh "clear"
      puts "Please type the following in the Terminal to begin:"
      puts "  source bashrc"
      puts "You can fetch fresh copies of the gems by editing the Gemfile,"
      puts "then typing in:"
      puts "  gem bundle"
    end
  },
  "homebrew/irbrc" => %{# History and Readline code come from http://blog.nicksieger.com/articles/2006/04/23/tweaking-irb

    require 'rubygems'
    require 'pp'
    require 'irb/ext/save-history'

    ARGV.concat ["--readline"]

    IRB.conf[:PROMPT_MODE] = :SIMPLE
    IRB.conf[:SAVE_HISTORY] = 100
    IRB.conf[:HISTORY_FILE] = "\#{ENV['HOME']}/.irb-save-history"

    alias :function :lambda
    alias :f :lambda

    class Object
      def grok
        (self.methods - Object.new.methods).sort
      end
    end

    module Readline
      module History
        LOG = "\#{ENV['HOME']}/.irb-history"

        def self.write_log(line)
          File.open(LOG, 'ab') {|f| f << "\#{line}\n"}
        end

        def self.start_session_log
          write_log("\n# session start: \#{Time.now}\n")
          at_exit { write_log("\n# session stop: \#{Time.now}\n") }
        end
      end

      alias :old_readline :readline
      def readline(*args)
        ln = old_readline(*args)
        begin
          History.write_log(ln)
        rescue
        end
        ln
      end
    end

    Readline::History.start_session_log
  },
  "homebrew/Gemfile" => %{
    source "http://gemcutter.org"
    source "http://gems.github.com"

    git "git://github.com/rails/rack.git"
    git "git://github.com/rack/rack-contrib.git"

    gem "jeweler"
    gem 'sinatra', :require_as => 'sinatra/base'
    gem "thin"
    gem "yajl-ruby", :require_as => "yajl/json_gem"
    gem "nokogiri"
    gem "moneta"
    gem "uuid"
    gem "dm-core"
    gem "redis"
    gem "redis-namespace", :require_as => "redis/namespace"
    gem "gettext"
    gem "navvy"
  },
  "homebrew/bashrc" => %{SCRIPT_PATH="${BASH_SOURCE[0]}";
    if([ -h "${SCRIPT_PATH}" ]) then
      while([ -h "${SCRIPT_PATH}" ]) do SCRIPT_PATH=`readlink "${SCRIPT_PATH}"`; done
    fi
    pushd . > /dev/null
    cd `dirname ${SCRIPT_PATH}` > /dev/null
    SCRIPT_PATH=`pwd`;
    popd > /dev/null

    export PATH=${SCRIPT_PATH}/bin:$PATH
    export GEM_HOME=${SCRIPT_PATH}/lib/ruby/gems
    export IRBRC=${SCRIPT_PATH}/irbrc
    export NODE_PATH=${SCRIPT_PATH}/modules:$NODE_PATH

    alias node-repl="rlwrap node-repl"
  }
}

`clear`

puts "Installing homebrew."
`git clone git://github.com/mikearthur/homebrew.git`

puts "Creating a local tmp directory."
`mkdir homebrew/tmp`

puts "Creating a projects directory."
`mkdir homebrew/projects`

puts "Creating configuration files."
files.each_pair { |k, v| File.open(k, "w") { |f| f.puts v }}

puts "Installing software and gems."
`cd homebrew && rake install && gem bundle && rake`

puts "Remember to cd into the homebrew directory first!"