Recognize if IDE is portable and fix paths accordingly

Author: facchinm

configs/configuration.go

@@ -39,6 +39,9 @@ type Configuration struct {
 	// ArduinoIDEDirectory is the directory of the Arduino IDE if the CLI runs together with it.
 	ArduinoIDEDirectory *paths.Path
 
+	// IsPortable is set to true if the cli lives in IDE directory and the IDE is portable
+	IsPortable bool
+
 	// downloadsDir is the directory where the package files are downloaded and cached.
 	// Use DownloadsDir() method to retrieve it.
 	downloadsDir *paths.Path

configs/preferences_txt_serializer.go

@@ -62,6 +62,12 @@ func (config *Configuration) IsBundledInDesktopIDE() bool {
 		}
 	}
 
+	portable := "portable"
+	if ideDir.Join(portable).Exist() {
+		logrus.Info("IDE is portable")
+		config.IsPortable = true
+	}
+
 	config.ArduinoIDEDirectory = ideDir
 	res = true
 	return true
@@ -70,6 +76,10 @@ func (config *Configuration) IsBundledInDesktopIDE() bool {
 // LoadFromDesktopIDEPreferences loads the config from the Desktop IDE preferences.txt file
 func (config *Configuration) LoadFromDesktopIDEPreferences() error {
 	logrus.Info("Unserializing from IDE preferences")
+	if config.IsPortable {
+		config.DataDir = config.ArduinoIDEDirectory.Join("portable")
+		config.SketchbookDir = config.ArduinoIDEDirectory.Join("portable").Join("sketchbook")
+	}
 	preferenceTxtPath := config.DataDir.Join("preferences.txt")
 	props, err := properties.LoadFromPath(preferenceTxtPath)
 	if err != nil {