Update dependencies

vendor/golang.org/x/oauth2/example_test.go

@@ -48,24 +48,42 @@ func ExampleConfig() {
 	client.Get("...")
 }
 
-func ExampleHTTPClient() {
-	hc := &http.Client{Timeout: 2 * time.Second}
-	ctx := context.WithValue(context.Background(), oauth2.HTTPClient, hc)
+func ExampleConfig_customHTTP() {
+	ctx := context.Background()
 
 	conf := &oauth2.Config{
 		ClientID:     "YOUR_CLIENT_ID",
 		ClientSecret: "YOUR_CLIENT_SECRET",
 		Scopes:       []string{"SCOPE1", "SCOPE2"},
 		Endpoint: oauth2.Endpoint{
-			AuthURL:  "https://provider.com/o/oauth2/auth",
 			TokenURL: "https://provider.com/o/oauth2/token",
+			AuthURL:  "https://provider.com/o/oauth2/auth",
 		},
 	}
 
-	// Exchange request will be made by the custom
-	// HTTP client, hc.
-	_, err := conf.Exchange(ctx, "foo")
+	// Redirect user to consent page to ask for permission
+	// for the scopes specified above.
+	url := conf.AuthCodeURL("state", oauth2.AccessTypeOffline)
+	fmt.Printf("Visit the URL for the auth dialog: %v", url)
+
+	// Use the authorization code that is pushed to the redirect
+	// URL. Exchange will do the handshake to retrieve the
+	// initial access token. The HTTP Client returned by
+	// conf.Client will refresh the token as necessary.
+	var code string
+	if _, err := fmt.Scan(&code); err != nil {
+		log.Fatal(err)
+	}
+
+	// Use the custom HTTP client when requesting a token.
+	httpClient := &http.Client{Timeout: 2 * time.Second}
+	ctx = context.WithValue(ctx, oauth2.HTTPClient, httpClient)
+
+	tok, err := conf.Exchange(ctx, code)
 	if err != nil {
 		log.Fatal(err)
 	}
+
+	client := conf.Client(ctx, tok)
+	_ = client
 }