mirror of https://github.com/rclone/rclone
171 lines
6.3 KiB
Go
171 lines
6.3 KiB
Go
// Package lsjson provides the lsjson command.
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package lsjson
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import (
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"context"
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"encoding/json"
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"fmt"
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"os"
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"github.com/rclone/rclone/cmd"
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"github.com/rclone/rclone/cmd/ls/lshelp"
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"github.com/rclone/rclone/fs"
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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/spf13/cobra"
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)
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var (
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opt operations.ListJSONOpt
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statOnly bool
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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, &opt.Recurse, "recursive", "R", false, "Recurse into the listing")
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flags.BoolVarP(cmdFlags, &opt.ShowHash, "hash", "", false, "Include hashes in the output (may take longer)")
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flags.BoolVarP(cmdFlags, &opt.NoModTime, "no-modtime", "", false, "Don't read the modification time (can speed things up)")
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flags.BoolVarP(cmdFlags, &opt.NoMimeType, "no-mimetype", "", false, "Don't read the mime type (can speed things up)")
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flags.BoolVarP(cmdFlags, &opt.ShowEncrypted, "encrypted", "", false, "Show the encrypted names")
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flags.BoolVarP(cmdFlags, &opt.ShowOrigIDs, "original", "", false, "Show the ID of the underlying Object")
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flags.BoolVarP(cmdFlags, &opt.FilesOnly, "files-only", "", false, "Show only files in the listing")
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flags.BoolVarP(cmdFlags, &opt.DirsOnly, "dirs-only", "", false, "Show only directories in the listing")
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flags.BoolVarP(cmdFlags, &opt.Metadata, "metadata", "M", false, "Add metadata to the listing")
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flags.StringArrayVarP(cmdFlags, &opt.HashTypes, "hash-type", "", nil, "Show only this hash type (may be repeated)")
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flags.BoolVarP(cmdFlags, &statOnly, "stat", "", false, "Just return the info for the pointed to file")
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}
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var commandDefinition = &cobra.Command{
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Use: "lsjson remote:path",
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Short: `List directories and objects in the path in JSON format.`,
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Long: `List directories and objects in the path in JSON format.
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The output is an array of Items, where each Item looks like this
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{
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"Hashes" : {
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"SHA-1" : "f572d396fae9206628714fb2ce00f72e94f2258f",
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"MD5" : "b1946ac92492d2347c6235b4d2611184",
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"DropboxHash" : "ecb65bb98f9d905b70458986c39fcbad7715e5f2fcc3b1f07767d7c83e2438cc"
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},
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"ID": "y2djkhiujf83u33",
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"OrigID": "UYOJVTUW00Q1RzTDA",
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"IsBucket" : false,
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"IsDir" : false,
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"MimeType" : "application/octet-stream",
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"ModTime" : "2017-05-31T16:15:57.034468261+01:00",
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"Name" : "file.txt",
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"Encrypted" : "v0qpsdq8anpci8n929v3uu9338",
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"EncryptedPath" : "kja9098349023498/v0qpsdq8anpci8n929v3uu9338",
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"Path" : "full/path/goes/here/file.txt",
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"Size" : 6,
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"Tier" : "hot",
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}
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If ` + "`--hash`" + ` is not specified the Hashes property won't be emitted. The
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types of hash can be specified with the ` + "`--hash-type`" + ` parameter (which
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may be repeated). If ` + "`--hash-type`" + ` is set then it implies ` + "`--hash`" + `.
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If ` + "`--no-modtime`" + ` is specified then ModTime will be blank. This can
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speed things up on remotes where reading the ModTime takes an extra
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request (e.g. s3, swift).
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If ` + "`--no-mimetype`" + ` is specified then MimeType will be blank. This can
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speed things up on remotes where reading the MimeType takes an extra
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request (e.g. s3, swift).
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If ` + "`--encrypted`" + ` is not specified the Encrypted won't be emitted.
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If ` + "`--dirs-only`" + ` is not specified files in addition to directories are
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returned
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If ` + "`--files-only`" + ` is not specified directories in addition to the files
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will be returned.
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If ` + "`--metadata`" + ` is set then an additional Metadata key will be returned.
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This will have metadata in rclone standard format as a JSON object.
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if ` + "`--stat`" + ` is set then a single JSON blob will be returned about the
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item pointed to. This will return an error if the item isn't found.
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However on bucket based backends (like s3, gcs, b2, azureblob etc) if
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the item isn't found it will return an empty directory as it isn't
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possible to tell empty directories from missing directories there.
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The Path field will only show folders below the remote path being listed.
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If "remote:path" contains the file "subfolder/file.txt", the Path for "file.txt"
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will be "subfolder/file.txt", not "remote:path/subfolder/file.txt".
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When used without ` + "`--recursive`" + ` the Path will always be the same as Name.
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If the directory is a bucket in a bucket-based backend, then
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"IsBucket" will be set to true. This key won't be present unless it is
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"true".
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The time is in RFC3339 format with up to nanosecond precision. The
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number of decimal digits in the seconds will depend on the precision
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that the remote can hold the times, so if times are accurate to the
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nearest millisecond (e.g. Google Drive) then 3 digits will always be
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shown ("2017-05-31T16:15:57.034+01:00") whereas if the times are
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accurate to the nearest second (Dropbox, Box, WebDav, etc.) no digits
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will be shown ("2017-05-31T16:15:57+01:00").
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The whole output can be processed as a JSON blob, or alternatively it
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can be processed line by line as each item is written one to a line.
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` + lshelp.Help,
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RunE: func(command *cobra.Command, args []string) error {
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cmd.CheckArgs(1, 1, command, args)
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var fsrc fs.Fs
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var remote string
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if statOnly {
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fsrc, remote = cmd.NewFsFile(args[0])
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} else {
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fsrc = cmd.NewFsSrc(args)
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}
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cmd.Run(false, false, command, func() error {
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if statOnly {
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item, err := operations.StatJSON(context.Background(), fsrc, remote, &opt)
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if err != nil {
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return err
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}
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out, err := json.MarshalIndent(item, "", "\t")
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if err != nil {
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return fmt.Errorf("failed to marshal list object: %w", err)
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}
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_, err = os.Stdout.Write(out)
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if err != nil {
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return fmt.Errorf("failed to write to output: %w", err)
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}
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fmt.Println()
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} else {
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fmt.Println("[")
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first := true
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err := operations.ListJSON(context.Background(), fsrc, remote, &opt, func(item *operations.ListJSONItem) error {
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out, err := json.Marshal(item)
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if err != nil {
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return fmt.Errorf("failed to marshal list object: %w", err)
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}
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if first {
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first = false
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} else {
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fmt.Print(",\n")
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}
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_, err = os.Stdout.Write(out)
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if err != nil {
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return fmt.Errorf("failed to write to output: %w", err)
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}
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return nil
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})
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if err != nil {
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return err
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}
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if !first {
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fmt.Println()
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}
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fmt.Println("]")
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}
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return nil
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})
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return nil
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},
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}
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