fix(windowrules): honor $XDG_CONFIG_HOME for config paths

- Window rule read/write/includes detection and setup hardcoded
`$HOME/.config` so rules weren't applied when `XDG_CONFIG_HOME` pointed
elsewhere.
- Fixes #2289

core/cmd/dms/commands_config.go

@@ -87,10 +87,7 @@ func runResolveInclude(cmd *cobra.Command, args []string) {
 }
 
 func checkHyprlandInclude(filename string) (IncludeResult, error) {
-	configDir, err := utils.ExpandPath("$HOME/.config/hypr")
+	configDir := filepath.Join(utils.XDGConfigHome(), "hypr")
-	if err != nil {
-		return IncludeResult{}, err
-	}
 
 	targetPath := filepath.Join(configDir, "dms", filename)
 	result := IncludeResult{}
@@ -191,10 +188,7 @@ func hyprlandFindIncludeHyprlang(filePath, target string, processed map[string]b
 }
 
 func checkNiriInclude(filename string) (IncludeResult, error) {
-	configDir, err := utils.ExpandPath("$HOME/.config/niri")
+	configDir := filepath.Join(utils.XDGConfigHome(), "niri")
-	if err != nil {
-		return IncludeResult{}, err
-	}
 
 	targetPath := filepath.Join(configDir, "dms", filename)
 	result := IncludeResult{}
@@ -270,10 +264,7 @@ func niriFindInclude(filePath, target string, processed map[string]bool) bool {
 }
 
 func checkMangoWCInclude(filename string) (IncludeResult, error) {
-	configDir, err := utils.ExpandPath("$HOME/.config/mango")
+	configDir := filepath.Join(utils.XDGConfigHome(), "mango")
-	if err != nil {
-		return IncludeResult{}, err
-	}
 
 	targetPath := filepath.Join(configDir, "dms", filename)
 	result := IncludeResult{}

core/cmd/dms/commands_setup.go

@@ -235,9 +235,9 @@ func runSetupDmsConfig(name string) error {
 	var dmsDir string
 	switch compositor {
 	case "niri":
-		dmsDir = filepath.Join(os.Getenv("HOME"), ".config", "niri", "dms")
+		dmsDir = filepath.Join(utils.XDGConfigHome(), "niri", "dms")
 	case "hyprland":
-		dmsDir = filepath.Join(os.Getenv("HOME"), ".config", "hypr", "dms")
+		dmsDir = filepath.Join(utils.XDGConfigHome(), "hypr", "dms")
 	}
 
 	if err := os.MkdirAll(dmsDir, 0o755); err != nil {

core/cmd/dms/commands_windowrules.go

@@ -4,6 +4,7 @@ import (
 	"encoding/json"
 	"fmt"
 	"os"
+	"path/filepath"
 	"strings"
 	"time"
 
@@ -146,10 +147,7 @@ func runWindowrulesList(cmd *cobra.Command, args []string) {
 
 	switch compositor {
 	case "niri":
-		configDir, err := utils.ExpandPath("$HOME/.config/niri")
+		configDir := filepath.Join(utils.XDGConfigHome(), "niri")
-		if err != nil {
-			log.Fatalf("Failed to expand niri config path: %v", err)
-		}
 
 		parseResult, err := providers.ParseNiriWindowRules(configDir)
 		if err != nil {
@@ -182,10 +180,7 @@ func runWindowrulesList(cmd *cobra.Command, args []string) {
 		result.DMSStatus = parseResult.DMSStatus
 
 	case "hyprland":
-		configDir, err := utils.ExpandPath("$HOME/.config/hypr")
+		configDir := filepath.Join(utils.XDGConfigHome(), "hypr")
-		if err != nil {
-			log.Fatalf("Failed to expand hyprland config path: %v", err)
-		}
 
 		parseResult, err := providers.ParseHyprlandWindowRules(configDir)
 		if err != nil {
@@ -315,16 +310,10 @@ func runWindowrulesReorder(cmd *cobra.Command, args []string) {
 func getWindowRulesProvider(compositor string) windowrules.WritableProvider {
 	switch compositor {
 	case "niri":
-		configDir, err := utils.ExpandPath("$HOME/.config/niri")
+		configDir := filepath.Join(utils.XDGConfigHome(), "niri")
-		if err != nil {
-			return nil
-		}
 		return providers.NewNiriWritableProvider(configDir)
 	case "hyprland":
-		configDir, err := utils.ExpandPath("$HOME/.config/hypr")
+		configDir := filepath.Join(utils.XDGConfigHome(), "hypr")
-		if err != nil {
-			return nil
-		}
 		return providers.NewHyprlandWritableProvider(configDir)
 	default:
 		return nil