feat(config): use XDG_CONFIG_HOME if set on macOS, fixes #11

Author: xdagiz

internal/paths/paths.go

@@ -21,6 +21,11 @@ func GetConfigDir() string {
 		return filepath.Join(homeDir, "AppData", "Roaming", "xytz")
 
 	case "darwin":
+		xdgConfigHome := os.Getenv("XDG_CONFIG_HOME")
+		if xdgConfigHome != "" {
+			return filepath.Join(xdgConfigHome, "xytz")
+		}
+
 		return filepath.Join(homeDir, "Library", "Application Support", "xytz")
 
 	default:

internal/paths/paths_test.go

@@ -130,4 +130,22 @@ func TestPlatformSpecificPaths(t *testing.T) {
 			t.Errorf("GetDataDir() = %q, expected XDG_DATA_HOME to be respected", dir)
 		}
 	}
+
+	if runtime.GOOS == "darwin" {
+		t.Run("XDG_CONFIG_HOME respected on darwin", func(t *testing.T) {
+			t.Setenv("XDG_CONFIG_HOME", "/custom/config")
+			dir := GetConfigDir()
+			if dir != "/custom/config/xytz" {
+				t.Errorf("GetConfigDir() = %q, expected XDG_CONFIG_HOME to be respected on darwin", dir)
+			}
+		})
+
+		t.Run("XDG_DATA_HOME respected on darwin", func(t *testing.T) {
+			t.Setenv("XDG_DATA_HOME", "/custom/data")
+			dir := GetDataDir()
+			if dir != "/custom/data/xytz" {
+				t.Errorf("GetDataDir() = %q, expected XDG_DATA_HOME to be respected on darwin", dir)
+			}
+		})
+	}
 }