capistrano/bin/deployify

#!/usr/bin/env ruby

if ARGV.empty?
  abort "Please specify the directory to deployify, e.g. `#{File.basename($0)} .'"
elsif !File.exists?(ARGV.first)
  abort "`#{ARGV.first}' does not exist."
elsif !File.directory?(ARGV.first)
  abort "`#{ARGV.first}' is not a directory."
elsif ARGV.length > 1
  abort "Too many arguments; please specify only the directory to deployify."
end

base = ARGV.shift

files = {}
current_file = nil

DATA.each do |line|
  if line =~ /^#file: (.*)/
    current_file = $1
  elsif current_file
    (files[current_file] ||= "") << line
  else
    abort "[bug] data is corrupt"
  end
end

files.each do |file, content|
  file = File.join(base, file)
  if File.exists?(file)
    warn "[skip] `#{file}' already exists"
  elsif File.exists?(file.downcase)
    warn "[skip] `#{file.downcase}' exists, which could conflict with `#{file}'"
  elsif !File.exists?(File.dirname(file))
    warn "[skip] directory `#{File.dirname(file)}' does not exist"
  else
    puts "[add] writing `#{file}'"
    File.open(file, "w") { |f| f.write(content) }
  end
end

puts "[done] deployified!"

__END__
#file: Capfile
require 'capistrano/version'
load 'deploy' if respond_to?(:namespace) # cap2 differentiator
load 'config/deploy'

#file: config/deploy.rb
set :application, "set your application name here"
set :repository,  "set your repository location here"

# If you aren't using Subversion to manage your source code, specify
# your SCM below:
# set :scm, :subversion

role :app, "your app-server here"
role :web, "your web-server here"
role :db,  "your db-server here", :primary => true