#!/usr/bin/env ruby

require 'mote'

require 'fileutils'

require 'tempfile'

class Gn

attr_reader :name

def initialize(name)

@name = name

run

end

def run

load_plan

Plan.constants.each do |constant|

blueprint = Plan.const_get(constant).new

template = File.join(templates_location, constant.to_s.downcase)

FileUtils.mkdir_p(File.dirname(blueprint.destination))

File.open(blueprint.destination, "w") do |f|

f.write Mote.parse(File.read(template), blueprint).call

end

end

end

def location

@location ||= [name, "./plans/#{name}", "#{ENV['HOME']}.plans/#{name}"].detect do |path|

Dir.exists?(path)

end

end

def templates_location

File.join(@location, "templates")

end

def load_plan

file = Tempfile.new('plan_init')

file.write(File.read(File.join(location, "init.rb")))

file.close

open_with_editor(file)

load file.path

end

def open_with_editor(file)

editor = ENV['EDITOR'] || "vi"

system("#{editor} #{file.path}")

end

end

name = ARGV.first.to_s.strip

if name.empty? || name == "-h" || name == "--help"

puts <<-USAGE

Usage: gn <name>

Run the first <name> generator that is found in the following locations:

* <name>/init.rb

* plans/<name>/init.rb

* ~/.plans/<name>/init.rb

See http://lucasefe.github.com/gn for more information.

USAGE

else

Gn.new(name)

end