Use curl

Rakefile

@@ -1,6 +1,3 @@
-require "pathname"
-require "net/http"
-
 task :default => :build
 
 task :build do
@@ -30,14 +27,8 @@ task :build do
   upload_base_url = ENV["UPLOAD_BASE_URL"]
   upload_base_url ||= "http://groonga-builder.herokuapp.com"
   upload_url = "#{upload_base_url}/#{built_archive_name}"
-  uri = URI(upload_url)
-  Net::HTTP.start(uri.host, uri.port) do |http|
-    response = File.open(built_archive_name, "rb") do |archive|
-      request = Net::HTTP::Put.new
-      request.body = archive
-      http.request(request)
-    end
-    puts(response.code)
-    puts(response.body)
-  end
+  sh("curl",
+     "--request", "PUT",
+     "--data-binary", "@#{built_archive_name}",
+     upload_url)
 end