mirror of
https://github.com/rclone/rclone.git
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109 lines
4.0 KiB
Go
109 lines
4.0 KiB
Go
// Package sync provides the sync command.
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package sync
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import (
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"context"
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"strings"
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"github.com/rclone/rclone/cmd"
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"github.com/rclone/rclone/fs/config/flags"
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"github.com/rclone/rclone/fs/operations"
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"github.com/rclone/rclone/fs/operations/operationsflags"
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"github.com/rclone/rclone/fs/sync"
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"github.com/spf13/cobra"
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)
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var (
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createEmptySrcDirs = false
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loggerOpt = operations.LoggerOpt{}
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loggerFlagsOpt = operationsflags.AddLoggerFlagsOptions{}
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)
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func init() {
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cmd.Root.AddCommand(commandDefinition)
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cmdFlags := commandDefinition.Flags()
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flags.BoolVarP(cmdFlags, &createEmptySrcDirs, "create-empty-src-dirs", "", createEmptySrcDirs, "Create empty source dirs on destination after sync", "")
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operationsflags.AddLoggerFlags(cmdFlags, &loggerOpt, &loggerFlagsOpt)
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loggerOpt.LoggerFn = operations.NewDefaultLoggerFn(&loggerOpt)
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}
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var commandDefinition = &cobra.Command{
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Use: "sync source:path dest:path",
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Short: `Make source and dest identical, modifying destination only.`,
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// Warning! "|" will be replaced by backticks below
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Long: strings.ReplaceAll(`Sync the source to the destination, changing the destination
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only. Doesn't transfer files that are identical on source and
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destination, testing by size and modification time or MD5SUM.
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Destination is updated to match source, including deleting files
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if necessary (except duplicate objects, see below). If you don't
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want to delete files from destination, use the
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[copy](/commands/rclone_copy/) command instead.
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**Important**: Since this can cause data loss, test first with the
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|--dry-run| or the |--interactive|/|i| flag.
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|||sh
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rclone sync --interactive SOURCE remote:DESTINATION
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Files in the destination won't be deleted if there were any errors at any
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point. Duplicate objects (files with the same name, on those providers that
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support it) are not yet handled. Files that are excluded won't be deleted
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unless |--delete-excluded| is used. Symlinks won't be transferred or
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deleted from local file systems unless |--links| is used.
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It is always the contents of the directory that is synced, not the
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directory itself. So when source:path is a directory, it's the contents of
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source:path that are copied, not the directory name and contents. See
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extended explanation in the [copy](/commands/rclone_copy/) command if unsure.
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If dest:path doesn't exist, it is created and the source:path contents
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go there.
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It is not possible to sync overlapping remotes. However, you may exclude
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the destination from the sync with a filter rule or by putting an
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exclude-if-present file inside the destination directory and sync to a
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destination that is inside the source directory.
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Rclone will sync the modification times of files and directories if
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the backend supports it. If metadata syncing is required then use the
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|--metadata| flag.
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Note that the modification time and metadata for the root directory
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will **not** be synced. See <https://github.com/rclone/rclone/issues/7652>
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for more info.
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**Note**: Use the |-P|/|--progress| flag to view real-time transfer statistics
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**Note**: Use the |rclone dedupe| command to deal with "Duplicate
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object/directory found in source/destination - ignoring" errors.
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See [this forum post](https://forum.rclone.org/t/sync-not-clearing-duplicates/14372)
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for more info.
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`, "|", "`") + operationsflags.Help(),
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Annotations: map[string]string{
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"groups": "Sync,Copy,Filter,Listing,Important",
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},
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Run: func(command *cobra.Command, args []string) {
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cmd.CheckArgs(2, 2, command, args)
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fsrc, srcFileName, fdst := cmd.NewFsSrcFileDst(args)
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cmd.Run(true, true, command, func() error {
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ctx := context.Background()
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close, err := operationsflags.ConfigureLoggers(ctx, fdst, command, &loggerOpt, loggerFlagsOpt)
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if err != nil {
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return err
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}
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defer close()
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if loggerFlagsOpt.AnySet() {
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ctx = operations.WithSyncLogger(ctx, loggerOpt)
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}
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if srcFileName == "" {
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return sync.Sync(ctx, fdst, fsrc, createEmptySrcDirs)
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}
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return operations.CopyFile(ctx, fdst, fsrc, srcFileName, srcFileName)
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})
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},
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}
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