rclone/vfs/vfsflags/vfsflags.go
Nick Craig-Wood 109b695621 vfs: add --vfs-read-ahead parameter for use with --vfs-cache-mode full
This parameter causes extra read-ahead over --buffer-size which is not
buffered in memory but on disk.
2020-08-06 17:26:18 +01:00

42 lines
2.9 KiB
Go

// Package vfsflags implements command line flags to set up a vfs
package vfsflags
import (
"github.com/rclone/rclone/fs/config/flags"
"github.com/rclone/rclone/fs/rc"
"github.com/rclone/rclone/vfs/vfscommon"
"github.com/spf13/pflag"
)
// Options set by command line flags
var (
Opt = vfscommon.DefaultOpt
DirPerms = &FileMode{Mode: &Opt.DirPerms}
FilePerms = &FileMode{Mode: &Opt.FilePerms}
)
// AddFlags adds the non filing system specific flags to the command
func AddFlags(flagSet *pflag.FlagSet) {
rc.AddOption("vfs", &Opt)
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. Only on supported remotes. Set to 0 to disable.")
flags.BoolVarP(flagSet, &Opt.ReadOnly, "read-only", "", Opt.ReadOnly, "Mount read-only.")
flags.FVarP(flagSet, &Opt.CacheMode, "vfs-cache-mode", "", "Cache mode off|minimal|writes|full")
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.FVarP(flagSet, DirPerms, "dir-perms", "", "Directory permissions")
flags.FVarP(flagSet, FilePerms, "file-perms", "", "File permissions")
flags.BoolVarP(flagSet, &Opt.CaseInsensitive, "vfs-case-insensitive", "", Opt.CaseInsensitive, "If a file name not found, find a case insensitive match.")
flags.DurationVarP(flagSet, &Opt.WriteWait, "vfs-write-wait", "", Opt.WriteWait, "Time to wait for in-sequence write before giving error.")
flags.DurationVarP(flagSet, &Opt.ReadWait, "vfs-read-wait", "", Opt.ReadWait, "Time to wait for in-sequence read before seeking.")
flags.DurationVarP(flagSet, &Opt.WriteBack, "vfs-write-back", "", Opt.WriteBack, "Time to writeback files after last use when using cache.")
flags.FVarP(flagSet, &Opt.ReadAhead, "vfs-read-ahead", "", "Extra read ahead over --buffer-size when using cache-mode full.")
platformFlags(flagSet)
}