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debug: Add support for compressed blobs

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This commit is contained in:
Michael Eischer 2022-02-19 21:59:47 +01:00
parent fda7bb0f09
commit 2535524132
1 changed files with 15 additions and 0 deletions
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15
cmd/restic/cmd_debug.go
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@ -15,6 +15,7 @@ import (
"sort" "sort"
"time" "time"
"github.com/klauspost/compress/zstd"
"github.com/spf13/cobra" "github.com/spf13/cobra"
"golang.org/x/sync/errgroup" "golang.org/x/sync/errgroup"
@ -309,6 +310,10 @@ func decryptUnsigned(ctx context.Context, k *crypto.Key, buf []byte) []byte {
} }
func loadBlobs(ctx context.Context, repo restic.Repository, pack restic.ID, list []restic.Blob) error { func loadBlobs(ctx context.Context, repo restic.Repository, pack restic.ID, list []restic.Blob) error {
dec, err := zstd.NewReader(nil)
if err != nil {
panic(err)
}
be := repo.Backend() be := repo.Backend()
h := restic.Handle{ h := restic.Handle{
Name: pack.String(), Name: pack.String(),
@ -353,6 +358,16 @@ func loadBlobs(ctx context.Context, repo restic.Repository, pack restic.ID, list
} }
} }
if blob.IsCompressed() {
decompressed, err := dec.DecodeAll(plaintext, nil)
if err != nil {
Printf(" failed to decompress blob %v\n", blob.ID)
}
if decompressed != nil {
plaintext = decompressed
}
}
id := restic.Hash(plaintext) id := restic.Hash(plaintext)
var prefix string var prefix string
if !id.Equal(blob.ID) { if !id.Equal(blob.ID) {