pasta - copy and paste filesystems

pasta.rb

#! /usr/bin/env ruby

require 'optparse'
require 'json'
require "base64"
require 'fileutils'

$out = "/tmp/lol"
options = {}
OptionParser.new do |opts|
  opts.banner = "Usage: pasta.rb [options]"

  opts.on("-v", "--[no-]verbose", "Run verbosely") do |v|
    options[:verbose] = v
  end

  opts.on("-pSTR", "--paste=STR", "String to paste") do |p|
    options[:paste] = p
  end

  opts.on("-cPATH", "--copy=PATH", "Path to copy") do |c|
    options[:copy] = c
  end
end.parse!

if options[:copy]
  wildcard_path = File.join(options[:copy], "**", "*")

  files = Dir[wildcard_path].reject {|fn| File.directory?(fn) }

  manifest = files.reduce({}) do |agg, filename|
    agg[filename] = File.read(filename)
    agg
  end

  json = JSON.generate(manifest)
  output = Base64.strict_encode64(json)
  puts output
elsif options[:paste]
  json = Base64.decode64(options[:paste])

  manifest = JSON.parse(json)
  manifest.each do |name, data|
    filepath = File.expand_path(File.join($out, name))
    directory = File.dirname(filepath)

    FileUtils.mkdir_p(directory)
    File.open(filepath, "w+") do |f|
      if options[:verbose]
        puts "Creating: #{filepath}"
      end
      f.puts data
    end
  end
end