Rationalized configurations about IDE and bundled cores

arduino/cores/packagemanager/loader.go

@@ -39,7 +39,7 @@ func (pm *PackageManager) LoadHardware(config *configs.Configuration) error {
 	if err := pm.LoadHardwareFromDirectories(dirs); err != nil {
 		return err
 	}
-	dirs, err = configs.BundleToolsDirectories()
+	dirs, err = config.BundleToolsDirectories()
 	if err != nil {
 		return fmt.Errorf("getting hardware directory: %s", err)
 	}

commands/commands.go

@@ -102,7 +102,7 @@ func InitLibraryManager(pm *packagemanager.PackageManager) *librariesmanager.Lib
 		Config.DownloadsDir())
 
 	// Add IDE builtin libraries dir
-	if bundledLibsDir := configs.IDEBundledLibrariesDir(); bundledLibsDir != nil {
+	if bundledLibsDir := Config.IDEBundledLibrariesDir(); bundledLibsDir != nil {
 		lm.AddLibrariesDir(bundledLibsDir, libraries.IDEBuiltIn)
 	}
 

commands/compile/compile.go

@@ -31,7 +31,6 @@ import (
 	"github.com/arduino/arduino-cli/commands"
 	"github.com/arduino/arduino-cli/commands/core"
 	"github.com/arduino/arduino-cli/common/formatter"
-	"github.com/arduino/arduino-cli/configs"
 	"github.com/arduino/go-paths-helper"
 	properties "github.com/arduino/go-properties-map"
 	"github.com/sirupsen/logrus"
@@ -163,7 +162,7 @@ func run(cmd *cobra.Command, args []string) {
 		os.Exit(commands.ErrCoreConfig)
 	}
 
-	if toolsDir, err := configs.BundleToolsDirectories(); err == nil {
+	if toolsDir, err := commands.Config.BundleToolsDirectories(); err == nil {
 		ctx.ToolsDirs = toolsDir
 	} else {
 		formatter.PrintError(err, "Cannot get bundled tools directories.")

commands/root/root.go

@@ -114,7 +114,7 @@ func initConfigs() {
 	if err := commands.Config.LoadFromYAML(commands.Config.ConfigFile); err != nil {
 		logrus.WithError(err).Warn("Did not manage to get config file, using default configuration")
 	}
-	if configs.IsBundledInDesktopIDE() {
+	if commands.Config.IsBundledInDesktopIDE() {
 		logrus.Info("CLI is bundled into the IDE")
 		err := commands.Config.LoadFromDesktopIDEPreferences()
 		if err != nil {

configs/configuration.go

@@ -34,6 +34,14 @@ type Configuration struct {
 
 	// SketchbookDir represents the current root of the sketchbooks tree (defaulted to `$HOME/Arduino`).
 	SketchbookDir *paths.Path
+
+	// ArduinoIDEDirectory is the directory of the Arduino IDE if the CLI runs togheter with it.
+	ArduinoIDEDirectory *paths.Path
+
+	// IDEBundledCheckResult contains the result of the check to see if the CLI is bundled with the IDE:
+	// the field is true if the CLI is bundled with the Arduino IDE, false if the CLI is running
+	// standalone or nil if the detection has not been performed.
+	IDEBundledCheckResult *bool
 }
 
 // NewConfiguration returns a new Configuration with the default values

configs/hardware_directories.go

@@ -18,9 +18,6 @@
 package configs
 
 import (
-	"os"
-	"path/filepath"
-
 	"github.com/arduino/go-paths-helper"
 )
 
@@ -28,10 +25,10 @@ import (
 func (config *Configuration) HardwareDirectories() (paths.PathList, error) {
 	res := paths.PathList{}
 
-	if IsBundledInDesktopIDE() {
-		bundledHardwareDir := filepath.Join(*arduinoIDEDirectory, "hardware")
-		if info, err := os.Stat(bundledHardwareDir); err == nil && info.IsDir() {
-			res.Add(paths.New(bundledHardwareDir))
+	if config.IsBundledInDesktopIDE() {
+		bundledHardwareDir := config.ArduinoIDEDirectory.Join("hardware")
+		if bundledHardwareDir.IsDir() {
+			res.Add(bundledHardwareDir)
 		}
 	}
 
@@ -47,13 +44,13 @@ func (config *Configuration) HardwareDirectories() (paths.PathList, error) {
 }
 
 // BundleToolsDirectories returns all paths that may contains bundled-tools.
-func BundleToolsDirectories() (paths.PathList, error) {
+func (config *Configuration) BundleToolsDirectories() (paths.PathList, error) {
 	res := paths.PathList{}
 
-	if IsBundledInDesktopIDE() {
-		bundledToolsDir := filepath.Join(*arduinoIDEDirectory, "hardware", "tools")
-		if info, err := os.Stat(bundledToolsDir); err == nil && info.IsDir() {
-			res = append(res, paths.New(bundledToolsDir))
+	if config.IsBundledInDesktopIDE() {
+		bundledToolsDir := config.ArduinoIDEDirectory.Join("hardware", "tools")
+		if bundledToolsDir.IsDir() {
+			res = append(res, bundledToolsDir)
 		}
 	}
 

configs/preferences_txt_serializer.go

@@ -21,7 +21,6 @@ import (
 	"errors"
 	"net/url"
 	"os"
-	"path/filepath"
 	"strings"
 
 	"github.com/arduino/go-paths-helper"
@@ -30,15 +29,14 @@ import (
 	"github.com/sirupsen/logrus"
 )
 
-var arduinoIDEDirectory *string
-
 // IsBundledInDesktopIDE returns true if the CLI is bundled with the Arduino IDE.
-func IsBundledInDesktopIDE() bool {
-	if arduinoIDEDirectory != nil {
-		return *arduinoIDEDirectory != ""
+func (config *Configuration) IsBundledInDesktopIDE() bool {
+	if config.IDEBundledCheckResult != nil {
+		return *config.IDEBundledCheckResult
 	}
-	empty := ""
-	arduinoIDEDirectory = &empty
+
+	res := false
+	config.IDEBundledCheckResult = &res
 
 	logrus.Info("Checking if CLI is Bundled into the IDE")
 	executable, err := os.Executable()
@@ -46,25 +44,27 @@ func IsBundledInDesktopIDE() bool {
 		logrus.WithError(err).Warn("Cannot get executable path")
 		return false
 	}
-	executable, err = filepath.EvalSymlinks(executable)
-	if err != nil {
-		logrus.WithError(err).Warn("Cannot get executable path (symlinks error)")
+	executablePath := paths.New(executable)
+	if err := executablePath.FollowSymLink(); err != nil {
+		logrus.WithError(err).Warn("Cannot get executable path")
 		return false
 	}
-	ideDir := filepath.Dir(executable)
+	ideDir := executablePath.Parent()
 	logrus.Info("Candidate IDE Directory: ", ideDir)
 
-	tests := []string{"tools-builder", "Examples/01.Basics/Blink"}
+	tests := []string{
+		"tools-builder",
+		"examples/01.Basics/Blink",
+	}
 	for _, test := range tests {
-		filePath := filepath.Join(ideDir, test)
-		_, err := os.Stat(filePath)
-		if !os.IsNotExist(err) {
-			arduinoIDEDirectory = &ideDir
-			break
+		if !ideDir.Join(test).Exist() {
+			return false
 		}
 	}
 
-	return *arduinoIDEDirectory != ""
+	config.ArduinoIDEDirectory = ideDir
+	res = true
+	return true
 }
 
 // LoadFromDesktopIDEPreferences loads the config from the Desktop IDE preferences.txt file
@@ -127,9 +127,9 @@ func proxyConfigsFromIDEPrefs(props properties.Map) error {
 // IDEBundledLibrariesDir returns the libraries directory bundled in
 // the Arduino IDE. If there is no Arduino IDE or the directory doesn't
 // exists then nil is returned
-func IDEBundledLibrariesDir() *paths.Path {
-	if IsBundledInDesktopIDE() {
-		libDir := paths.New(*arduinoIDEDirectory, "libraries")
+func (config *Configuration) IDEBundledLibrariesDir() *paths.Path {
+	if config.IsBundledInDesktopIDE() {
+		libDir := config.ArduinoIDEDirectory.Join("libraries")
 		if libDir.IsDir() {
 			return libDir
 		}