Add cat tree snapshot:subpath command

This command prints the tree for the given path.
This commit is contained in:
Michael Eischer 2023-05-18 23:17:12 +02:00
parent 85860e6e97
commit 233b841ad9

View file

@ -13,7 +13,7 @@ import (
)
var cmdCat = &cobra.Command{
Use: "cat [flags] [pack|blob|snapshot|index|key|masterkey|config|lock] ID",
Use: "cat [flags] [masterkey|config|pack ID|blob ID|snapshot ID|index ID|key ID|lock ID|tree snapshot:path]",
Short: "Print internal objects to stdout",
Long: `
The "cat" command is used to print internal objects to stdout.
@ -55,7 +55,7 @@ func runCat(ctx context.Context, gopts GlobalOptions, args []string) error {
tpe := args[0]
var id restic.ID
if tpe != "masterkey" && tpe != "config" && tpe != "snapshot" {
if tpe != "masterkey" && tpe != "config" && tpe != "snapshot" && tpe != "tree" {
id, err = restic.ParseID(args[1])
if err != nil {
return errors.Fatalf("unable to parse ID: %v\n", err)
@ -165,6 +165,29 @@ func runCat(ctx context.Context, gopts GlobalOptions, args []string) error {
return errors.Fatal("blob not found")
case "tree":
sn, subpath, err := restic.FindSnapshot(ctx, repo.Backend(), repo, args[1])
if err != nil {
return errors.Fatalf("could not find snapshot: %v\n", err)
}
err = repo.LoadIndex(ctx)
if err != nil {
return err
}
sn.Tree, err = restic.FindTreeDirectory(ctx, repo, sn.Tree, subpath)
if err != nil {
return err
}
buf, err := repo.LoadBlob(ctx, restic.TreeBlob, *sn.Tree, nil)
if err != nil {
return err
}
_, err = globalOptions.stdout.Write(buf)
return err
default:
return errors.Fatal("invalid type")
}