package main import ( "context" "encoding/json" "github.com/spf13/cobra" "github.com/restic/restic/internal/backend" "github.com/restic/restic/internal/errors" "github.com/restic/restic/internal/repository" "github.com/restic/restic/internal/restic" ) var cmdCat = &cobra.Command{ Use: "cat [flags] [pack|blob|snapshot|index|key|masterkey|config|lock] ID", Short: "Print internal objects to stdout", Long: ` The "cat" command is used to print internal objects to stdout. EXIT STATUS =========== Exit status is 0 if the command was successful, and non-zero if there was any error. `, DisableAutoGenTag: true, RunE: func(cmd *cobra.Command, args []string) error { return runCat(cmd.Context(), globalOptions, args) }, } func init() { cmdRoot.AddCommand(cmdCat) } func runCat(ctx context.Context, gopts GlobalOptions, args []string) error { if len(args) < 1 || (args[0] != "masterkey" && args[0] != "config" && len(args) != 2) { return errors.Fatal("type or ID not specified") } repo, err := OpenRepository(ctx, gopts) if err != nil { return err } if !gopts.NoLock { var lock *restic.Lock lock, ctx, err = lockRepo(ctx, repo, gopts.RetryLock, gopts.JSON) defer unlockRepo(lock) if err != nil { return err } } tpe := args[0] var id restic.ID if tpe != "masterkey" && tpe != "config" && tpe != "snapshot" { id, err = restic.ParseID(args[1]) if err != nil { return errors.Fatalf("unable to parse ID: %v\n", err) } } switch tpe { case "config": buf, err := json.MarshalIndent(repo.Config(), "", " ") if err != nil { return err } Println(string(buf)) return nil case "index": buf, err := repo.LoadUnpacked(ctx, restic.IndexFile, id) if err != nil { return err } Println(string(buf)) return nil case "snapshot": sn, err := restic.FindSnapshot(ctx, repo.Backend(), repo, args[1]) if err != nil { return errors.Fatalf("could not find snapshot: %v\n", err) } buf, err := json.MarshalIndent(sn, "", " ") if err != nil { return err } Println(string(buf)) return nil case "key": key, err := repository.LoadKey(ctx, repo, id) if err != nil { return err } buf, err := json.MarshalIndent(&key, "", " ") if err != nil { return err } Println(string(buf)) return nil case "masterkey": buf, err := json.MarshalIndent(repo.Key(), "", " ") if err != nil { return err } Println(string(buf)) return nil case "lock": lock, err := restic.LoadLock(ctx, repo, id) if err != nil { return err } buf, err := json.MarshalIndent(&lock, "", " ") if err != nil { return err } Println(string(buf)) return nil case "pack": h := restic.Handle{Type: restic.PackFile, Name: id.String()} buf, err := backend.LoadAll(ctx, nil, repo.Backend(), h) if err != nil { return err } hash := restic.Hash(buf) if !hash.Equal(id) { Warnf("Warning: hash of data does not match ID, want\n %v\ngot:\n %v\n", id.String(), hash.String()) } _, err = globalOptions.stdout.Write(buf) return err case "blob": err = repo.LoadIndex(ctx) if err != nil { return err } for _, t := range []restic.BlobType{restic.DataBlob, restic.TreeBlob} { bh := restic.BlobHandle{ID: id, Type: t} if !repo.Index().Has(bh) { continue } buf, err := repo.LoadBlob(ctx, t, id, nil) if err != nil { return err } _, err = globalOptions.stdout.Write(buf) return err } return errors.Fatal("blob not found") default: return errors.Fatal("invalid type") } }