Redirect to bundler.rubygems.org if the host is rubygems.org

1 files changed, 15 insertions, 1 deletions

diff --git a/lib/bundler/fetcher.rb b/lib/bundler/fetcher.rb
index 6511e3bbb7..be11e3680e 100644
--- a/lib/bundler/fetcher.rb
+++ b/lib/bundler/fetcher.rb
@@ -292,7 +292,7 @@ module Bundler
     end
 
     def dependency_api_uri(gem_names = [])
-      url = "#{@remote_uri}api/v1/dependencies"
+      url = "#{redirected_uri}api/v1/dependencies"
       url << "?gems=#{URI.encode(gem_names.join(","))}" if gem_names.any?
       URI.parse(url)
     end
@@ -378,5 +378,19 @@ module Bundler
       yield
     end
 
+    private
+    def redirected_uri
+      return bundler_uri if rubygems?
+      return @remote_uri
+    end
+
+    def rubygems?
+      @remote_uri.host == "rubygems.org"
+    end
+
+    def bundler_uri
+      URI.parse("#{@remote_uri.scheme}://bundler.#{@remote_uri.host}/")
+    end
+
   end
 end