Fix git getter version test for git builds with metadata

Author: ryanuber

get_git.go

@@ -224,7 +224,7 @@ func checkGitVersion(min string) error {
 	}
 
 	fields := strings.Fields(string(out))
-	if len(fields) != 3 {
+	if len(fields) < 3 {
 		return fmt.Errorf("Unexpected 'git version' output: %q", string(out))
 	}
 

get_git_test.go

@@ -204,7 +204,7 @@ func TestGitGetter_gitVersion(t *testing.T) {
 	script := filepath.Join(dir, "git")
 	err = ioutil.WriteFile(
 		script,
-		[]byte("#!/bin/sh\necho git version 2.0\n"),
+		[]byte("#!/bin/sh\necho \"git version 2.0 (Some Metadata Here)\n\""),
 		0700)
 	if err != nil {
 		t.Fatal(err)