73 lines
2.8 KiB
Go
73 lines
2.8 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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"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/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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)
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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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}
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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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Long: `
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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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rclone sync -i SOURCE remote:DESTINATION
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Note that files in the destination won't be deleted if there were any
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errors at any point. Duplicate objects (files with the same name, on
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those providers that support it) are also not yet handled.
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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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**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 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) for more info.
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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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if srcFileName == "" {
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return sync.Sync(context.Background(), fdst, fsrc, createEmptySrcDirs)
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}
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return operations.CopyFile(context.Background(), fdst, fsrc, srcFileName, srcFileName)
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})
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},
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}
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