mirror of
https://github.com/octoleo/restic.git
synced 2024-12-27 04:32:40 +00:00
99 lines
2.4 KiB
Go
99 lines
2.4 KiB
Go
package main
|
|
|
|
import (
|
|
"bytes"
|
|
"context"
|
|
"io"
|
|
"os"
|
|
|
|
"github.com/restic/restic/internal/errors"
|
|
"github.com/restic/restic/internal/repository"
|
|
"github.com/restic/restic/internal/restic"
|
|
"github.com/restic/restic/internal/ui/termstatus"
|
|
"github.com/spf13/cobra"
|
|
)
|
|
|
|
var cmdRepairPacks = &cobra.Command{
|
|
Use: "packs [packIDs...]",
|
|
Short: "Salvage damaged pack files",
|
|
Long: `
|
|
The "repair packs" command extracts intact blobs from the specified pack files, rebuilds
|
|
the index to remove the damaged pack files and removes the pack files from the repository.
|
|
|
|
EXIT STATUS
|
|
===========
|
|
|
|
Exit status is 0 if the command was successful.
|
|
Exit status is 1 if there was any error.
|
|
Exit status is 10 if the repository does not exist.
|
|
Exit status is 11 if the repository is already locked.
|
|
`,
|
|
DisableAutoGenTag: true,
|
|
RunE: func(cmd *cobra.Command, args []string) error {
|
|
term, cancel := setupTermstatus()
|
|
defer cancel()
|
|
return runRepairPacks(cmd.Context(), globalOptions, term, args)
|
|
},
|
|
}
|
|
|
|
func init() {
|
|
cmdRepair.AddCommand(cmdRepairPacks)
|
|
}
|
|
|
|
func runRepairPacks(ctx context.Context, gopts GlobalOptions, term *termstatus.Terminal, args []string) error {
|
|
ids := restic.NewIDSet()
|
|
for _, arg := range args {
|
|
id, err := restic.ParseID(arg)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
ids.Insert(id)
|
|
}
|
|
if len(ids) == 0 {
|
|
return errors.Fatal("no ids specified")
|
|
}
|
|
|
|
ctx, repo, unlock, err := openWithExclusiveLock(ctx, gopts, false)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
defer unlock()
|
|
|
|
printer := newTerminalProgressPrinter(gopts.verbosity, term)
|
|
|
|
bar := newIndexTerminalProgress(gopts.Quiet, gopts.JSON, term)
|
|
err = repo.LoadIndex(ctx, bar)
|
|
if err != nil {
|
|
return errors.Fatalf("%s", err)
|
|
}
|
|
|
|
printer.P("saving backup copies of pack files to current folder")
|
|
for id := range ids {
|
|
buf, err := repo.LoadRaw(ctx, restic.PackFile, id)
|
|
// corrupted data is fine
|
|
if buf == nil {
|
|
return err
|
|
}
|
|
|
|
f, err := os.OpenFile("pack-"+id.String(), os.O_WRONLY|os.O_CREATE|os.O_EXCL, 0o666)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
if _, err := io.Copy(f, bytes.NewReader(buf)); err != nil {
|
|
_ = f.Close()
|
|
return err
|
|
}
|
|
if err := f.Close(); err != nil {
|
|
return err
|
|
}
|
|
}
|
|
|
|
err = repository.RepairPacks(ctx, repo, ids, printer)
|
|
if err != nil {
|
|
return errors.Fatalf("%s", err)
|
|
}
|
|
|
|
Warnf("\nUse `restic repair snapshots --forget` to remove the corrupted data blobs from all snapshots\n")
|
|
return nil
|
|
}
|