flags.BoolVarP(flagSet,&Opt.NoModTime,"no-modtime","",Opt.NoModTime,"Don't read/write the modification time (can speed things up)")
flags.BoolVarP(flagSet,&Opt.NoChecksum,"no-checksum","",Opt.NoChecksum,"Don't compare checksums on up/download")
flags.BoolVarP(flagSet,&Opt.NoSeek,"no-seek","",Opt.NoSeek,"Don't allow seeking in files")
flags.DurationVarP(flagSet,&Opt.DirCacheTime,"dir-cache-time","",Opt.DirCacheTime,"Time to cache directory entries for")
flags.DurationVarP(flagSet,&Opt.PollInterval,"poll-interval","",Opt.PollInterval,"Time to wait between polling for changes, must be smaller than dir-cache-time and only on supported remotes (set 0 to disable)")
flags.DurationVarP(flagSet,&Opt.CachePollInterval,"vfs-cache-poll-interval","",Opt.CachePollInterval,"Interval to poll the cache for stale objects")
flags.DurationVarP(flagSet,&Opt.CacheMaxAge,"vfs-cache-max-age","",Opt.CacheMaxAge,"Max age of objects in the cache")
flags.FVarP(flagSet,&Opt.CacheMaxSize,"vfs-cache-max-size","","Max total size of objects in the cache")
flags.FVarP(flagSet,&Opt.ChunkSize,"vfs-read-chunk-size","","Read the source objects in chunks")
flags.FVarP(flagSet,&Opt.ChunkSizeLimit,"vfs-read-chunk-size-limit","","If greater than --vfs-read-chunk-size, double the chunk size after each chunk read, until the limit is reached ('off' is unlimited)")
flags.BoolVarP(flagSet,&Opt.FastFingerprint,"vfs-fast-fingerprint","",Opt.FastFingerprint,"Use fast (less accurate) fingerprints for change detection")