From 649bf79117e30895108b7782d62daafd07bc5e6e Mon Sep 17 00:00:00 2001
From: Niall Sheridan <nsheridan@gmail.com>
Date: Sun, 22 May 2016 01:23:33 +0100
Subject: Use govendor

---
 vendor/golang.org/x/oauth2/internal/transport.go | 69 ++++++++++++++++++++++++
 1 file changed, 69 insertions(+)
 create mode 100644 vendor/golang.org/x/oauth2/internal/transport.go

(limited to 'vendor/golang.org/x/oauth2/internal/transport.go')

diff --git a/vendor/golang.org/x/oauth2/internal/transport.go b/vendor/golang.org/x/oauth2/internal/transport.go
new file mode 100644
index 0000000..f1f173e
--- /dev/null
+++ b/vendor/golang.org/x/oauth2/internal/transport.go
@@ -0,0 +1,69 @@
+// Copyright 2014 The Go 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 internal contains support packages for oauth2 package.
+package internal
+
+import (
+	"net/http"
+
+	"golang.org/x/net/context"
+)
+
+// HTTPClient is the context key to use with golang.org/x/net/context's
+// WithValue function to associate an *http.Client value with a context.
+var HTTPClient ContextKey
+
+// ContextKey is just an empty struct. It exists so HTTPClient can be
+// an immutable public variable with a unique type. It's immutable
+// because nobody else can create a ContextKey, being unexported.
+type ContextKey struct{}
+
+// ContextClientFunc is a func which tries to return an *http.Client
+// given a Context value. If it returns an error, the search stops
+// with that error.  If it returns (nil, nil), the search continues
+// down the list of registered funcs.
+type ContextClientFunc func(context.Context) (*http.Client, error)
+
+var contextClientFuncs []ContextClientFunc
+
+func RegisterContextClientFunc(fn ContextClientFunc) {
+	contextClientFuncs = append(contextClientFuncs, fn)
+}
+
+func ContextClient(ctx context.Context) (*http.Client, error) {
+	if ctx != nil {
+		if hc, ok := ctx.Value(HTTPClient).(*http.Client); ok {
+			return hc, nil
+		}
+	}
+	for _, fn := range contextClientFuncs {
+		c, err := fn(ctx)
+		if err != nil {
+			return nil, err
+		}
+		if c != nil {
+			return c, nil
+		}
+	}
+	return http.DefaultClient, nil
+}
+
+func ContextTransport(ctx context.Context) http.RoundTripper {
+	hc, err := ContextClient(ctx)
+	// This is a rare error case (somebody using nil on App Engine).
+	if err != nil {
+		return ErrorTransport{err}
+	}
+	return hc.Transport
+}
+
+// ErrorTransport returns the specified error on RoundTrip.
+// This RoundTripper should be used in rare error cases where
+// error handling can be postponed to response handling time.
+type ErrorTransport struct{ Err error }
+
+func (t ErrorTransport) RoundTrip(*http.Request) (*http.Response, error) {
+	return nil, t.Err
+}
-- 
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