syncthing/lib/fs/debug.go

// Copyright (C) 2015 The Syncthing Authors.
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this file,
// You can obtain one at https://mozilla.org/MPL/2.0/.

package fs

import (
	"os"
	"strings"

	"github.com/syncthing/syncthing/lib/logger"
)

var (
	l = logger.DefaultLogger.NewFacility("fs", "Filesystem access")
)

func init() {
	logger.DefaultLogger.NewFacility("walkfs", "Filesystem access while walking")
	switch {
	case strings.Contains(os.Getenv("STTRACE"), "walkfs") || os.Getenv("STTRACE") == "all":
		l.SetDebug("walkfs", true)
		fallthrough
	case strings.Contains(os.Getenv("STTRACE"), "fs"):
		l.SetDebug("fs", true)
	}
}