The omniauth gem is a meta-gem

Don't include all sub-gem files in this package, just specify sub-gems
as dependencies

omniauth.gemspec

@@ -8,13 +8,11 @@ Gem::Specification.new do |gem|
   gem.authors = ['Michael Bleigh', 'Erik Michaels-Ober']
   gem.description = %q{OmniAuth is an authentication framework that that separates the concept of authentiation from the concept of identity, providing simple hooks for any application to have one or multiple authentication providers for a user.}
   gem.email = ['michael@intridea.com', 'sferik@gmail.com']
-  gem.executables = `git ls-files -- bin/*`.split("\n").map{|f| File.basename(f)}
+  gem.files = Dir.glob("lib/**/*") + %w(README.md LICENSE.md)
-  gem.files = `git ls-files`.split("\n")
   gem.homepage = 'http://github.com/intridea/omniauth'
   gem.name = 'omniauth'
   gem.require_paths = ['lib']
   gem.required_rubygems_version = Gem::Requirement.new('>= 1.3.6')
-  gem.summary = %q{Rack middleware for standardized multi-provider authentication.}
+  gem.summary = %q{Rack middleware for standardized multi-provider authentication}
-  gem.test_files = `git ls-files -- {test,spec,features}/*`.split("\n")
   gem.version = OmniAuth::Version::STRING
 end