mirror of
https://github.com/restic/restic.git
synced 2025-10-31 13:21:01 +00:00
252 lines
7.6 KiB
Go
252 lines
7.6 KiB
Go
package backup
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import (
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"bytes"
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"encoding/json"
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"os"
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"sort"
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"time"
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"github.com/restic/restic/internal/archiver"
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"github.com/restic/restic/internal/restic"
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"github.com/restic/restic/internal/ui"
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"github.com/restic/restic/internal/ui/termstatus"
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)
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// JSONProgress reports progress for the `backup` command in JSON.
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type JSONProgress struct {
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*ui.Message
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*ui.StdioWrapper
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term *termstatus.Terminal
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v uint
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}
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// assert that Backup implements the ProgressPrinter interface
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var _ ProgressPrinter = &JSONProgress{}
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// NewJSONProgress returns a new backup progress reporter.
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func NewJSONProgress(term *termstatus.Terminal, verbosity uint) *JSONProgress {
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return &JSONProgress{
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Message: ui.NewMessage(term, verbosity),
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StdioWrapper: ui.NewStdioWrapper(term),
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term: term,
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v: verbosity,
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}
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}
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func toJSONString(status interface{}) string {
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buf := new(bytes.Buffer)
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err := json.NewEncoder(buf).Encode(status)
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if err != nil {
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panic(err)
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}
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return buf.String()
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}
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func (b *JSONProgress) print(status interface{}) {
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b.term.Print(toJSONString(status))
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}
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func (b *JSONProgress) error(status interface{}) {
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b.term.Error(toJSONString(status))
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}
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// Update updates the status lines.
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func (b *JSONProgress) Update(total, processed Counter, errors uint, currentFiles map[string]struct{}, start time.Time, secs uint64) {
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status := statusUpdate{
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MessageType: "status",
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SecondsElapsed: uint64(time.Since(start) / time.Second),
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SecondsRemaining: secs,
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TotalFiles: total.Files,
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FilesDone: processed.Files,
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TotalBytes: total.Bytes,
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BytesDone: processed.Bytes,
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ErrorCount: errors,
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}
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if total.Bytes > 0 {
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status.PercentDone = float64(processed.Bytes) / float64(total.Bytes)
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}
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for filename := range currentFiles {
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status.CurrentFiles = append(status.CurrentFiles, filename)
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}
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sort.Strings(status.CurrentFiles)
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b.print(status)
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}
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// ScannerError is the error callback function for the scanner, it prints the
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// error in verbose mode and returns nil.
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func (b *JSONProgress) ScannerError(item string, fi os.FileInfo, err error) error {
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b.error(errorUpdate{
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MessageType: "error",
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Error: err,
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During: "scan",
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Item: item,
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})
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return nil
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}
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// Error is the error callback function for the archiver, it prints the error and returns nil.
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func (b *JSONProgress) Error(item string, fi os.FileInfo, err error) error {
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b.error(errorUpdate{
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MessageType: "error",
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Error: err,
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During: "archival",
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Item: item,
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})
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return nil
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}
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// CompleteItem is the status callback function for the archiver when a
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// file/dir has been saved successfully.
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func (b *JSONProgress) CompleteItem(messageType, item string, previous, current *restic.Node, s archiver.ItemStats, d time.Duration) {
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if b.v < 2 {
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return
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}
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switch messageType {
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case "dir new":
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b.print(verboseUpdate{
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MessageType: "verbose_status",
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Action: "new",
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Item: item,
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Duration: d.Seconds(),
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DataSize: s.DataSize,
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DataSizeInRepo: s.DataSizeInRepo,
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MetadataSize: s.TreeSize,
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MetadataSizeInRepo: s.TreeSizeInRepo,
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})
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case "dir unchanged":
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b.print(verboseUpdate{
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MessageType: "verbose_status",
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Action: "unchanged",
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Item: item,
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})
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case "dir modified":
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b.print(verboseUpdate{
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MessageType: "verbose_status",
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Action: "modified",
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Item: item,
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Duration: d.Seconds(),
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DataSize: s.DataSize,
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DataSizeInRepo: s.DataSizeInRepo,
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MetadataSize: s.TreeSize,
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MetadataSizeInRepo: s.TreeSizeInRepo,
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})
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case "file new":
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b.print(verboseUpdate{
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MessageType: "verbose_status",
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Action: "new",
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Item: item,
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Duration: d.Seconds(),
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DataSize: s.DataSize,
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DataSizeInRepo: s.DataSizeInRepo,
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})
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case "file unchanged":
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b.print(verboseUpdate{
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MessageType: "verbose_status",
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Action: "unchanged",
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Item: item,
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})
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case "file modified":
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b.print(verboseUpdate{
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MessageType: "verbose_status",
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Action: "modified",
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Item: item,
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Duration: d.Seconds(),
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DataSize: s.DataSize,
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DataSizeInRepo: s.DataSizeInRepo,
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})
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}
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}
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// ReportTotal sets the total stats up to now
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func (b *JSONProgress) ReportTotal(item string, start time.Time, s archiver.ScanStats) {
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if b.v >= 2 {
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b.print(verboseUpdate{
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MessageType: "status",
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Action: "scan_finished",
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Duration: time.Since(start).Seconds(),
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DataSize: s.Bytes,
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TotalFiles: s.Files,
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})
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}
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}
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// Finish prints the finishing messages.
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func (b *JSONProgress) Finish(snapshotID restic.ID, start time.Time, summary *Summary, dryRun bool) {
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b.print(summaryOutput{
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MessageType: "summary",
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FilesNew: summary.Files.New,
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FilesChanged: summary.Files.Changed,
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FilesUnmodified: summary.Files.Unchanged,
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DirsNew: summary.Dirs.New,
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DirsChanged: summary.Dirs.Changed,
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DirsUnmodified: summary.Dirs.Unchanged,
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DataBlobs: summary.ItemStats.DataBlobs,
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TreeBlobs: summary.ItemStats.TreeBlobs,
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DataAdded: summary.ItemStats.DataSize + summary.ItemStats.TreeSize,
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TotalFilesProcessed: summary.Files.New + summary.Files.Changed + summary.Files.Unchanged,
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TotalBytesProcessed: summary.ProcessedBytes,
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TotalDuration: time.Since(start).Seconds(),
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SnapshotID: snapshotID.Str(),
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DryRun: dryRun,
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})
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}
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// Reset no-op
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func (b *JSONProgress) Reset() {
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}
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type statusUpdate struct {
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MessageType string `json:"message_type"` // "status"
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SecondsElapsed uint64 `json:"seconds_elapsed,omitempty"`
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SecondsRemaining uint64 `json:"seconds_remaining,omitempty"`
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PercentDone float64 `json:"percent_done"`
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TotalFiles uint64 `json:"total_files,omitempty"`
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FilesDone uint64 `json:"files_done,omitempty"`
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TotalBytes uint64 `json:"total_bytes,omitempty"`
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BytesDone uint64 `json:"bytes_done,omitempty"`
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ErrorCount uint `json:"error_count,omitempty"`
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CurrentFiles []string `json:"current_files,omitempty"`
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}
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type errorUpdate struct {
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MessageType string `json:"message_type"` // "error"
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Error error `json:"error"`
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During string `json:"during"`
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Item string `json:"item"`
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}
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type verboseUpdate struct {
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MessageType string `json:"message_type"` // "verbose_status"
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Action string `json:"action"`
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Item string `json:"item"`
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Duration float64 `json:"duration"` // in seconds
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DataSize uint64 `json:"data_size"`
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DataSizeInRepo uint64 `json:"data_size_in_repo"`
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MetadataSize uint64 `json:"metadata_size"`
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MetadataSizeInRepo uint64 `json:"metadata_size_in_repo"`
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TotalFiles uint `json:"total_files"`
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}
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type summaryOutput struct {
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MessageType string `json:"message_type"` // "summary"
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FilesNew uint `json:"files_new"`
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FilesChanged uint `json:"files_changed"`
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FilesUnmodified uint `json:"files_unmodified"`
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DirsNew uint `json:"dirs_new"`
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DirsChanged uint `json:"dirs_changed"`
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DirsUnmodified uint `json:"dirs_unmodified"`
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DataBlobs int `json:"data_blobs"`
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TreeBlobs int `json:"tree_blobs"`
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DataAdded uint64 `json:"data_added"`
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TotalFilesProcessed uint `json:"total_files_processed"`
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TotalBytesProcessed uint64 `json:"total_bytes_processed"`
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TotalDuration float64 `json:"total_duration"` // in seconds
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SnapshotID string `json:"snapshot_id"`
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DryRun bool `json:"dry_run,omitempty"`
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}
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