Removing sass dependency, user can now choose a tag to fetch select2 …

…from upstream.

lib/select2-rails/source_file.rb

@@ -1,26 +1,30 @@
 require "thor"
+require "json"
+require "httpclient"
 
 class SourceFile < Thor
   include Thor::Actions
 
   desc "fetch source files", "fetch source files from GitHub"
   def fetch
+    filtered_tags = fetch_tags
+    tag = select("Which tag do you want to fetch?", filtered_tags)
     self.destination_root = "vendor/assets"
     remote = "https://github.com/ivaynberg/select2"
-    get "#{remote}/raw/master/select2.png", "images/select2.png"
-    get "#{remote}/raw/master/spinner.gif", "images/spinner.gif"
-    get "#{remote}/raw/master/select2.css", "stylesheets/select2.css"    
-    get "#{remote}/raw/master/select2.js", "javascripts/select2.js"
+    get "#{remote}/raw/#{tag}/select2.png", "images/select2.png"
+    get "#{remote}/raw/#{tag}/spinner.gif", "images/spinner.gif"
+    get "#{remote}/raw/#{tag}/select2.css", "stylesheets/select2.css"
+    get "#{remote}/raw/#{tag}/select2.js", "javascripts/select2.js"
   end
 
-  desc "convert css to sass file", "convert css to sass file by sass-convert"
+  desc "convert css to scss file", "convert css to scss file"
   def convert
     self.destination_root = "vendor/assets"
     inside destination_root do
-      run("sass-convert -F css -T sass stylesheets/select2.css stylesheets/select2.css.sass")
-      gsub_file 'stylesheets/select2.css.sass', '(spinner.gif)', "('spinner.gif')"      
-      gsub_file 'stylesheets/select2.css.sass', '(select2.png)', "('select2.png')"
-      gsub_file 'stylesheets/select2.css.sass', ' url', ' image-url'
+      run("cp stylesheets/select2.css stylesheets/select2.css.scss")
+      gsub_file 'stylesheets/select2.css.scss', '(spinner.gif)', "('spinner.gif')"
+      gsub_file 'stylesheets/select2.css.scss', '(select2.png)', "('select2.png')"
+      gsub_file 'stylesheets/select2.css.scss', ' url', ' image-url'
     end
   end
 
@@ -29,5 +33,17 @@ def cleanup
     self.destination_root = "vendor/assets"
     remove_file "stylesheets/select2.css"
   end
-
-end
+  private
+  def fetch_tags
+    http = HTTPClient.new
+    response = JSON.parse(http.get("https://api.github.com/repos/ivaynberg/select2/tags").body)
+    response.map{|tag| tag["name"]}.sort
+  end
+  def select msg, elements
+    elements.each_with_index do |element, index|
+      say(block_given? ? yield(element, index + 1) : ("#{index + 1}. #{element.to_s}"))
+    end
+    result = ask(msg).to_i
+    elements[result - 1]
+  end
+end

select2-rails.gemspec

@@ -18,5 +18,5 @@ Gem::Specification.new do |s|
   s.add_dependency "thor", "~> 0.14"
   s.add_development_dependency "bundler", "~> 1.0"
   s.add_development_dependency "rails", "~> 3.0"
-  s.add_development_dependency "sass", "~> 3.1"
+  s.add_development_dependency "httpclient", "~> 2.2"
 end