all: sync with master; upd chlog

internal/confmigrate/v27.go

@@ -0,0 +1,77 @@
+package confmigrate
+
+// migrateTo27 performs the following changes:
+//
+//	# BEFORE:
+//	'querylog':
+//	  'ignored':
+//	  - '.'
+//	  - # …
+//	  # …
+//	'statistics':
+//	  'ignored':
+//	  - '.'
+//	  - # …
+//	  # …
+//	# …
+//
+//	# AFTER:
+//	'querylog':
+//	  'ignored':
+//	  - '|.^'
+//	  - # …
+//	  # …
+//	'statistics':
+//	  'ignored':
+//	  - '|.^'
+//	  - # …
+//	  # …
+//	# …
+func migrateTo27(diskConf yobj) (err error) {
+	diskConf["schema_version"] = 27
+
+	keys := []string{"querylog", "statistics"}
+	for _, k := range keys {
+		err = replaceDot(diskConf, k)
+		if err != nil {
+			return err
+		}
+	}
+
+	return nil
+}
+
+// replaceDot replaces rules blocking root domain "." with AdBlock style syntax
+// "|.^".
+func replaceDot(diskConf yobj, key string) (err error) {
+	var obj yobj
+	var ok bool
+	obj, ok, err = fieldVal[yobj](diskConf, key)
+	if err != nil {
+		return err
+	} else if !ok {
+		return nil
+	}
+
+	var ignored yarr
+	ignored, ok, err = fieldVal[yarr](obj, "ignored")
+	if err != nil {
+		return err
+	} else if !ok {
+		return nil
+	}
+
+	for i, hostVal := range ignored {
+		var host string
+		host, ok = hostVal.(string)
+		if !ok {
+			continue
+		}
+
+		if host == "." {
+			ignored[i] = "|.^"
+		}
+	}
+
+	return nil
+}