scanner

type CurrentFiler interface {
	// CurrentFile returns the file as seen at last scan.
	CurrentFile(name string) (protocol.FileInfo, bool)
}

type TempNamer interface {
	// Temporary returns a temporary name for the filed referred to by filepath.
	TempName(path string) string
	// IsTemporary returns true if path refers to the name of temporary file.
	IsTemporary(path string) bool
}

type Walker struct {
	// Dir is the base directory for the walk
	Dir string
	// Limit walking to these paths within Dir, or no limit if Sub is empty
	Subs []string
	// BlockSize controls the size of the block used when hashing.
	BlockSize int
	// If Matcher is not nil, it is used to identify files to ignore which were specified by the user.
	Matcher *ignore.Matcher
	// If TempNamer is not nil, it is used to ignore temporary files when walking.
	TempNamer TempNamer
	// Number of hours to keep temporary files for
	TempLifetime time.Duration
	// If CurrentFiler is not nil, it is queried for the current file before rescanning.
	CurrentFiler CurrentFiler
	// If MtimeRepo is not nil, it is used to provide mtimes on systems that don't support setting arbirtary mtimes.
	MtimeRepo *db.VirtualMtimeRepo
	// If IgnorePerms is true, changes to permission bits will not be
	// detected. Scanned files will get zero permission bits and the
	// NoPermissionBits flag set.
	IgnorePerms bool
	// When AutoNormalize is set, file names that are in UTF8 but incorrect
	// normalization form will be corrected.
	AutoNormalize bool
	// Number of routines to use for hashing
	Hashers int
	// Our vector clock id
	ShortID uint64
}