move lock file to dataDir #79

main.go

@@ -189,7 +189,7 @@ func main() {
 	// Otherwise the command may behave in two ways:
 	// 	1. kill the running non-residennt instance and exit;
 	// 	2. die if a resident instance found.
-	lockFilePath := path.Join(tempDir(), "nwg-drawer.lock")
+	lockFilePath := path.Join(dataDir(), "nwg-drawer.lock")
 	lockFile, err := singleinstance.CreateLockFile(lockFilePath)
 	if err != nil {
 		pid, err := readTextFile(lockFilePath)

tools.go

@@ -131,17 +131,6 @@ func cacheDir() string {
 	return ""
 }
 
-func tempDir() string {
-	if os.Getenv("TMPDIR") != "" {
-		return os.Getenv("TMPDIR")
-	} else if os.Getenv("TEMP") != "" {
-		return os.Getenv("TEMP")
-	} else if os.Getenv("TMP") != "" {
-		return os.Getenv("TMP")
-	}
-	return "/tmp"
-}
-
 func readTextFile(path string) (string, error) {
 	bytes, err := os.ReadFile(path)
 	if err != nil {
@@ -177,6 +166,20 @@ func configDir() string {
 	return dir
 }
 
+func dataDir() string {
+	var dir string
+	if os.Getenv("XDG_DATA_HOME") != "" {
+		dir = path.Join(os.Getenv("XDG_DATA_HOME"), "nwg-drawer")
+	} else if os.Getenv("HOME") != "" {
+		dir = path.Join(os.Getenv("HOME"), ".local/share/nwg-drawer")
+	}
+
+	log.Infof("Data dir: %s", dir)
+	createDir(dir)
+
+	return dir
+}
+
 func createDir(dir string) {
 	if _, err := os.Stat(dir); os.IsNotExist(err) {
 		err := os.MkdirAll(dir, os.ModePerm)