--- /dev/null
+# coding: utf-8
+# Based on convert script from vwall/compass-twitter-bootstrap gem.
+# https://github.com/vwall/compass-twitter-bootstrap/blob/master/build/convert.rb
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this work except in compliance with the License.
+# You may obtain a copy of the License in the LICENSE file, or at:
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+require 'open-uri'
+require 'json'
+require 'strscan'
+require 'forwardable'
+require 'term/ansicolor'
+require 'fileutils'
+
+require_relative 'converter/fonts_conversion'
+require_relative 'converter/less_conversion'
+require_relative 'converter/js_conversion'
+require_relative 'converter/logger'
+require_relative 'converter/network'
+
+class Converter
+ extend Forwardable
+ include Network
+ include LessConversion
+ include JsConversion
+ include FontsConversion
+
+ def initialize(repo: 'twbs/bootstrap', branch: 'master', save_to: {}, cache_path: 'tmp/converter-cache-bootstrap')
+ @logger = Logger.new
+ @repo = repo
+ @branch = branch || 'master'
+ @branch_sha = get_branch_sha
+ @cache_path = cache_path
+ @repo_url = "https://github.com/#@repo"
+ @save_to = {
+ js: 'assets/javascripts/bootstrap',
+ scss: 'assets/stylesheets/bootstrap',
+ fonts: 'assets/fonts/bootstrap'}.merge(save_to)
+ end
+
+ def_delegators :@logger, :log, :log_status, :log_processing, :log_transform, :log_file_info, :log_processed, :log_http_get_file, :log_http_get_files, :silence_log
+
+ def process_bootstrap
+ log_status "Convert Bootstrap LESS to Sass"
+ puts " repo : #@repo_url"
+ puts " branch : #@branch_sha #@repo_url/tree/#@branch"
+ puts " save to: #{@save_to.to_json}"
+ puts " twbs cache: #{@cache_path}"
+ puts '-' * 60
+
+ @save_to.each { |_, v| FileUtils.mkdir_p(v) }
+
+ process_font_assets
+ process_stylesheet_assets
+ process_javascript_assets
+ store_version
+ end
+
+ def save_file(path, content, mode='w')
+ dir = File.dirname(path)
+ FileUtils.mkdir_p(dir) unless File.directory?(dir)
+ File.open(path, mode) { |file| file.write(content) }
+ end
+
+ # Update version.rb file with BOOTSTRAP_SHA
+ def store_version
+ path = 'lib/bootstrap-sass/version.rb'
+ content = File.read(path).sub(/BOOTSTRAP_SHA\s*=\s*['"][\w]+['"]/, "BOOTSTRAP_SHA = '#@branch_sha'")
+ File.open(path, 'w') { |f| f.write(content) }
+ end
+end