Pre release version

.gitignore

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+*.gem
+.bundle
+Gemfile.lock
+pkg/*

Gemfile

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+source "http://rubygems.org"
+
+# Specify your gem's dependencies in paperclip-s3.gemspec
+gemspec

README.textile

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+h1. Paperclip S3 Storage
+
+This gem will force paperclip to store attachments on S3. It's great for "Heroku":http://heroku.com apps and thats basically why I wrote it.
+
+I was really lazy writing this over and over again, so I just gemed it.
+
+h1. Important Notes
+
+If you're in fact using "Heroku":http://heroku.com, and you want the attachments to have custom paths. *PLEASE* do not use *RAILS_ROOT*. Why? Every time you deploy your app to "Heroku":http://heroku.com, you're changing the RAILS_ROOT, so all your uploaded files will be lost and your bucket *WILL* be a mess!
+
+A default, Heroku-working path is on by default, so you can just use it.
+
+h2. Contribute
+
+Feel free to fork, fix/patch/extend this. Everything is welcome.

Rakefile

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+require 'bundler/gem_tasks'

lib/paperclip-s3.rb

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+require "paperclip-s3/version"
+
+module Paperclip
+  module S3
+
+    # Extends the paperclips has_attached_file method
+    # It will use S3 Storage. The credentials will be read from the environment
+    def has_attached_file(name, options = {})
+      options[:storage] ||= :s3
+      options[:path]    ||= "/:class-:attachment/:id/:style-:basename.:extension"
+      options[:bucket]  ||= ENV["S3_BUCKET"]
+      options[:s3_credentials] ||= {
+                                      :access_key_id => ENV['S3_KEY'],
+                                      :secret_access_key => ENV['S3_SECRET']
+                                   }
+      super(name, options)
+    end
+
+
+  end
+end
+
+if defined?(ActiveRecord) and defined?(Rails)
+  ActiveRecord::Base.send :extend, Paperclip::S3 if Rails.env.production?
+end

lib/paperclip-s3/version.rb

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+module Paperclip
+  module S3
+    VERSION = "1.0.0pre"
+  end
+end

paperclip-s3.gemspec

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+# -*- encoding: utf-8 -*-
+$:.push File.expand_path("../lib", __FILE__)
+require "paperclip-s3/version"
+
+Gem::Specification.new do |s|
+  s.name        = "paperclip-s3"
+  s.version     = Paperclip::S3::VERSION
+  s.authors     = ["Nicolás Hock Isaza"]
+  s.email       = ["[email protected]"]
+  s.homepage    = ""
+  s.summary     = %q{Simple gem that makes paperclip save the attachments on Amazon S3 for a production Rails application.}
+  s.description = %q{The gem will simply extend the has_attached_file to make it store on Amazon S3 when the application is on production. Great for Heroku applications.}
+
+  s.rubyforge_project = "paperclip-s3"
+
+  s.add_dependency('paperclip', '~> 2.3.11')
+  s.add_dependency('aws-s3', '~> 0.6.2')
+
+  s.files         = `git ls-files`.split("\n")
+  s.test_files    = `git ls-files -- {test,spec,features}/*`.split("\n")
+  s.executables   = `git ls-files -- bin/*`.split("\n").map{ |f| File.basename(f) }
+  s.require_paths = ["lib"]
+end