converter: recursive tree fetch

Gemfile

@@ -6,5 +6,5 @@ gemspec
 gem 'compass', require: false
 
 group :development do
-  gem 'byebug', platform: :mri_21, require: false
+  gem 'byebug', platforms: [:mri_21, :mri_22], require: false
 end

tasks/converter/js_conversion.rb

@@ -29,7 +29,7 @@ class Converter
 
     def bootstrap_js_files
       @bootstrap_js_files ||= begin
-        files = get_paths_by_type 'js', /\.js$/
+        files = get_paths_by_type('js', /\.js$/).reject { |path| path =~ %r(^tests/) }
         files.sort_by { |f|
           case f
             # tooltip depends on popover and must be loaded earlier

tasks/converter/less_conversion.rb

@@ -150,9 +150,7 @@ class Converter
     end
 
     def bootstrap_less_files
-      @bootstrap_less_files ||= get_paths_by_type('less', /\.less$/) +
-        get_paths_by_type('mixins', /\.less$/,
-                          get_tree(get_tree_sha('mixins', get_tree(get_tree_sha('less'))))).map { |p| "mixins/#{p}" }
+      @bootstrap_less_files ||= get_paths_by_type('less', /\.less$/)
     end
 
     # apply general less to scss conversion

tasks/converter/network.rb

@@ -3,8 +3,12 @@ class Converter
   module Network
     protected
 
-    def get_paths_by_type(dir, file_re, tree = get_tree(get_tree_sha(dir)))
-      tree['tree'].select { |f| f['type'] == 'blob' && f['path'] =~ file_re }.map { |f| f['path'] }
+    def get_paths_by_type(dir, file_re, recursive = true)
+      get_file_paths(dir, recursive).select { |path| path =~ file_re }
+    end
+
+    def get_file_paths(dir, recursive = true)
+      get_tree(get_tree_sha(dir), recursive)['tree'].select { |f| f['type'] == 'blob' }.map { |f| f['path'] }
     end
 
     def read_files(path, files)
@@ -44,7 +48,8 @@ class Converter
 
 
     def get_file(url)
-      cache_path = "./#@cache_path#{URI(url).path}"
+      uri = URI(url)
+      cache_path = "./#@cache_path#{uri.path}#{uri.query.tr('?&=', '-') if uri.query}"
       FileUtils.mkdir_p File.dirname(cache_path)
       if File.exists?(cache_path)
         log_http_get_file url, true
@@ -81,8 +86,8 @@ class Converter
       @trees ||= get_tree(@branch_sha)
     end
 
-    def get_tree(sha)
-      get_json("https://api.github.com/repos/#@repo/git/trees/#{sha}")
+    def get_tree(sha, recursive = true)
+      get_json("https://api.github.com/repos/#@repo/git/trees/#{sha}#{'?recursive=1' if recursive}")
     end
 
     def get_json(url)