Add Go dependencies to generated.rb and test_blob.rb

lib/linguist/generated.rb

@@ -63,6 +63,7 @@ module Linguist
         generated_jni_header? ||
         composer_lock? ||
         node_modules? ||
+        godeps? ||
         vcr_cassette? ||
         generated_by_zephir?
     end
@@ -231,6 +232,14 @@ module Linguist
       !!name.match(/node_modules\//)
     end
 
+    # Internal: Is the blob part of Godeps/,
+    # which are not meant for humans in pull requests.
+    #
+    # Returns true or false.
+    def godeps?
+      !!name.match(/Godeps\//)
+    end
+
     # Internal: Is the blob a generated php composer lock file?
     #
     # Returns true or false.

test/test_blob.rb

@@ -262,6 +262,10 @@ class TestBlob < Test::Unit::TestCase
 
 
     assert Linguist::Generated.generated?("node_modules/grunt/lib/grunt.js", nil)
+
+    # Godep saved dependencies
+    assert blob("Godeps/Godeps.json").generated?
+    assert blob("Godeps/_workspace/src/github.com/kr/s3/sign.go").generated?
   end
 
   def test_vendored