scanner

type Config struct {
	// Folder for which the walker has been created
	Folder string
	// Limit walking to these paths within Dir, or no limit if Sub is empty
	Subs []string
	// If Matcher is not nil, it is used to identify files to ignore which were specified by the user.
	Matcher *ignore.Matcher
	// 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
	// The Filesystem provides an abstraction on top of the actual filesystem.
	Filesystem fs.Filesystem
	// 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 protocol.ShortID
	// Optional progress tick interval which defines how often FolderScanProgress
	// events are emitted. Negative number means disabled.
	ProgressTickIntervalS int
	// Whether to use large blocks for large files or the old standard of 128KiB for everything.
	UseLargeBlocks bool
	// Local flags to set on scanned files
	LocalFlags uint32
}

type Counter interface {
	Update(bytes int64)
}

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

type ScanResult struct {
	File protocol.FileInfo
	Err  error
	Path string // to be set in case Err != nil and File == nil
}