initial commit

internal/config/dms.go

@@ -0,0 +1,46 @@
+package config
+
+import (
+	"fmt"
+	"os"
+	"path/filepath"
+	"strings"
+)
+
+// LocateDMSConfig searches for DMS installation following XDG Base Directory specification
+func LocateDMSConfig() (string, error) {
+	var searchPaths []string
+
+	configHome := os.Getenv("XDG_CONFIG_HOME")
+	if configHome == "" {
+		if homeDir, err := os.UserHomeDir(); err == nil {
+			configHome = filepath.Join(homeDir, ".config")
+		}
+	}
+
+	if configHome != "" {
+		searchPaths = append(searchPaths, filepath.Join(configHome, "quickshell", "dms"))
+	}
+
+	searchPaths = append(searchPaths, "/usr/share/quickshell/dms")
+
+	configDirs := os.Getenv("XDG_CONFIG_DIRS")
+	if configDirs == "" {
+		configDirs = "/etc/xdg"
+	}
+
+	for _, dir := range strings.Split(configDirs, ":") {
+		if dir != "" {
+			searchPaths = append(searchPaths, filepath.Join(dir, "quickshell", "dms"))
+		}
+	}
+
+	for _, path := range searchPaths {
+		shellPath := filepath.Join(path, "shell.qml")
+		if info, err := os.Stat(shellPath); err == nil && !info.IsDir() {
+			return path, nil
+		}
+	}
+
+	return "", fmt.Errorf("could not find DMS config (shell.qml) in any valid config path")
+}