Added option to disable call to Arduino Cloud API for board detection

Author: cmaglie

Diff for: commands/service_board_list.go

@@ -170,7 +170,7 @@ func identify(pme *packagemanager.Explorer, port *discovery.Port, settings *conf
 
 	// if installed cores didn't recognize the board, try querying
 	// the builder API if the board is a USB device port
-	if len(boards) == 0 && !skipCloudAPI {
+	if len(boards) == 0 && !skipCloudAPI && !settings.SkipCloudApiForBoardDetection() {
 		items, err := identifyViaCloudAPI(port.Properties, settings)
 		if err != nil {
 			// this is bad, but keep going

Diff for: docs/configuration.md

@@ -46,7 +46,10 @@
 - `network` - configuration options related to the network connection.
   - `proxy` - URL of the proxy server.
   - `connection_timeout` - network connection timeout, the value format must be a valid input for
-    [time.ParseDuration()](https://pkg.go.dev/time#ParseDuration), defaults to `60s` (60 seconds). `0` means it will wait indefinitely.
+    [time.ParseDuration()](https://pkg.go.dev/time#ParseDuration), defaults to `60s` (60 seconds). `0` means it will
+    wait indefinitely.
+  - `cloud_api.skip_board_detection_calls` - if set to `true` it will make the Arduino CLI skip network calls to Arduino
+    Cloud API to help detection of an unknown board.
 
 ### Default directories
 

Diff for: internal/cli/configuration/configuration.schema.json

@@ -154,6 +154,16 @@
           "description": "timeout for network connections, defaults to '30s'",
           "type": "string",
           "pattern": "^[+-]?(([0-9]+(\\.[0-9]*)?|(\\.[0-9]+))(ns|us|µs|μs|ms|s|m|h))+$"
+        },
+        "cloud_api": {
+          "description": "settings related to the Arduino Cloud API.",
+          "type": "object",
+          "properties": {
+            "skip_board_detection_calls": {
+              "description": "do not call the Arduino Cloud API to detect an unknown board",
+              "type": "boolean"
+            }
+          }
         }
       }
     },

Diff for: internal/cli/configuration/defaults.go

@@ -72,6 +72,8 @@ func SetDefaults(settings *Settings) {
 	setKeyTypeSchema("network.proxy", "")
 	setKeyTypeSchema("network.user_agent_ext", "")
 	setDefaultValueAndKeyTypeSchema("network.connection_timeout", (time.Second * 60).String())
+	// network: Arduino Cloud API settings
+	setKeyTypeSchema("network.cloud_api.skip_board_detection_calls", false)
 
 	// locale
 	setKeyTypeSchema("locale", "")

Diff for: internal/cli/configuration/network.go

@@ -67,6 +67,11 @@ func (settings *Settings) ConnectionTimeout() time.Duration {
 	return settings.Defaults.GetDuration("network.connection_timeout")
 }
 
+// SkipCloudApiForBoardDetection returns whether the cloud API should be ignored for board detection
+func (settings *Settings) SkipCloudApiForBoardDetection() bool {
+	return settings.GetBool("network.cloud_api.skip_board_detection_calls")
+}
+
 // NetworkProxy returns the proxy configuration (mainly used by HTTP clients)
 func (settings *Settings) NetworkProxy() (*url.URL, error) {
 	if proxyConfig, ok, _ := settings.GetStringOk("network.proxy"); !ok {