[Spec#lint] Fix.

lib/cocoapods/command/spec.rb

@@ -80,7 +80,7 @@ module Pod
         else
           raise Informative, count == 1 ? "The spec did not pass validation." : "#{invalid_count} out of #{count} specs failed validation."
         end
-        podspecs_tmp_dir.rmtree if tmp_dir.exist?
+        podspecs_tmp_dir.rmtree if podspecs_tmp_dir.exist?
       end
 
       private

spec/functional/command/spec_spec.rb

@@ -115,8 +115,16 @@ describe "Pod::Command::Spec#lint" do
 
   it "lints the current working directory" do
     Dir.chdir(fixture('spec-repos') + 'master/JSONKit/1.4/') do
-      output = command('spec', 'lint', '--quick', '--only-errors').run
-      output.should.include "passed validation"
+      cmd = command('spec', 'lint', '--quick', '--only-errors')
+      cmd.run
+      cmd.output.should.include "passed validation"
+    end
+  end
+
+  it "lints a remote podspec" do
+    Dir.chdir(fixture('spec-repos') + 'master/JSONKit/1.4/') do
+      cmd = command('spec', 'lint', '--quick', '--only-errors', '--silent', 'https://github.com/CocoaPods/Specs/raw/master/A2DynamicDelegate/2.0.1/A2DynamicDelegate.podspec')
+      VCR.use_cassette('linter', :record => :new_episodes) { lambda { cmd.run }.should.not.raise }
     end
   end