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go/src/infra/libs/gitiles/statusError.go

Index: go/src/infra/libs/gitiles/statusError.go
diff --git a/go/src/infra/libs/gitiles/statusError.go b/go/src/infra/libs/gitiles/statusError.go
new file mode 100644
index 0000000000000000000000000000000000000000..62c106d2e8b5054f57e96c6d92e3966b1cb404df
--- /dev/null
+++ b/go/src/infra/libs/gitiles/statusError.go
@@ -0,0 +1,18 @@
+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+package gitiles
+
+import (
+	"fmt"
+)
+
+// StatusError is a simple error type which wraps a Http StatusCode.
+type StatusError int
+
+// Member functions ////////////////////////////////////////////////////////////
+
+// Bad returns true iff the status code is not 2XX
+func (s StatusError) Bad() bool     { return s < 200 || s >= 300 }
+func (s StatusError) Error() string { return fmt.Sprintf("got status code %d", s) }