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https://github.com/octoleo/restic.git
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debug: use Printf/Warnf for output
This commit is contained in:
Michael Eischer
parent
547d9b384d
commit
dc62ec5933
@ -194,9 +194,9 @@ var cmdDebugExamine = &cobra.Command{
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func tryRepairWithBitflip(ctx context.Context, key *crypto.Key, input []byte, bytewise bool) []byte {
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if bytewise {
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fmt.Printf(" trying to repair blob by finding a broken byte\n")
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Printf(" trying to repair blob by finding a broken byte\n")
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} else {
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fmt.Printf(" trying to repair blob with single bit flip\n")
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Printf(" trying to repair blob with single bit flip\n")
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}
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ch := make(chan int)
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@ -206,7 +206,7 @@ func tryRepairWithBitflip(ctx context.Context, key *crypto.Key, input []byte, by
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var found bool
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workers := runtime.GOMAXPROCS(0)
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fmt.Printf(" spinning up %d worker functions\n", runtime.GOMAXPROCS(0))
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Printf(" spinning up %d worker functions\n", runtime.GOMAXPROCS(0))
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for i := 0; i < workers; i++ {
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wg.Go(func() error {
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// make a local copy of the buffer
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@ -220,9 +220,9 @@ func tryRepairWithBitflip(ctx context.Context, key *crypto.Key, input []byte, by
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nonce, plaintext := buf[:key.NonceSize()], buf[key.NonceSize():]
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plaintext, err := key.Open(plaintext[:0], nonce, plaintext, nil)
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if err == nil {
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fmt.Printf("\n")
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fmt.Printf(" blob could be repaired by XORing byte %v with 0x%02x\n", idx, pattern)
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fmt.Printf(" hash is %v\n", restic.Hash(plaintext))
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Printf("\n")
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Printf(" blob could be repaired by XORing byte %v with 0x%02x\n", idx, pattern)
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Printf(" hash is %v\n", restic.Hash(plaintext))
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close(done)
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found = true
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fixed = plaintext
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@ -263,7 +263,7 @@ func tryRepairWithBitflip(ctx context.Context, key *crypto.Key, input []byte, by
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select {
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case ch <- i:
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case <-done:
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fmt.Printf(" done after %v\n", time.Since(start))
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Printf(" done after %v\n", time.Since(start))
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return nil
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}
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@ -273,7 +273,7 @@ func tryRepairWithBitflip(ctx context.Context, key *crypto.Key, input []byte, by
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remaining := len(input) - i
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eta := time.Duration(float64(remaining)/gps) * time.Second
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fmt.Printf("\r%d byte of %d done (%.2f%%), %.0f byte per second, ETA %v",
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Printf("\r%d byte of %d done (%.2f%%), %.0f byte per second, ETA %v",
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i, len(input), float32(i)/float32(len(input))*100, gps, eta)
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info = time.Now()
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}
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@ -286,7 +286,7 @@ func tryRepairWithBitflip(ctx context.Context, key *crypto.Key, input []byte, by
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}
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if !found {
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fmt.Printf("\n blob could not be repaired\n")
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Printf("\n blob could not be repaired\n")
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}
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return fixed
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}
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@ -314,7 +314,7 @@ func loadBlobs(ctx context.Context, repo restic.Repository, pack restic.ID, list
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Type: restic.PackFile,
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}
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for _, blob := range list {
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fmt.Printf(" loading blob %v at %v (length %v)\n", blob.ID, blob.Offset, blob.Length)
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Printf(" loading blob %v at %v (length %v)\n", blob.ID, blob.Offset, blob.Length)
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buf := make([]byte, blob.Length)
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err := be.Load(ctx, h, int(blob.Length), int64(blob.Offset), func(rd io.Reader) error {
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n, err := io.ReadFull(rd, buf)
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@ -324,7 +324,7 @@ func loadBlobs(ctx context.Context, repo restic.Repository, pack restic.ID, list
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return nil
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})
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if err != nil {
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fmt.Fprintf(os.Stderr, "error read: %v\n", err)
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Warnf("error read: %v\n", err)
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continue
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}
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@ -333,7 +333,7 @@ func loadBlobs(ctx context.Context, repo restic.Repository, pack restic.ID, list
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nonce, plaintext := buf[:key.NonceSize()], buf[key.NonceSize():]
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plaintext, err = key.Open(plaintext[:0], nonce, plaintext, nil)
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if err != nil {
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fmt.Fprintf(os.Stderr, "error decrypting blob: %v\n", err)
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Warnf("error decrypting blob: %v\n", err)
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var plain []byte
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if tryRepair || repairByte {
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plain = tryRepairWithBitflip(ctx, key, buf, repairByte)
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@ -342,10 +342,10 @@ func loadBlobs(ctx context.Context, repo restic.Repository, pack restic.ID, list
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if plain != nil {
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id := restic.Hash(plain)
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if !id.Equal(blob.ID) {
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fmt.Printf(" repaired blob (length %v), hash is %v, ID does not match, wanted %v\n", len(plain), id, blob.ID)
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Printf(" repaired blob (length %v), hash is %v, ID does not match, wanted %v\n", len(plain), id, blob.ID)
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prefix = "repaired-wrong-hash-"
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} else {
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fmt.Printf(" successfully repaired blob (length %v), hash is %v, ID matches\n", len(plain), id)
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Printf(" successfully repaired blob (length %v), hash is %v, ID matches\n", len(plain), id)
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prefix = "repaired-"
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}
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} else {
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@ -362,10 +362,10 @@ func loadBlobs(ctx context.Context, repo restic.Repository, pack restic.ID, list
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id := restic.Hash(plaintext)
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var prefix string
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if !id.Equal(blob.ID) {
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fmt.Printf(" successfully decrypted blob (length %v), hash is %v, ID does not match, wanted %v\n", len(plaintext), id, blob.ID)
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Printf(" successfully decrypted blob (length %v), hash is %v, ID does not match, wanted %v\n", len(plaintext), id, blob.ID)
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prefix = "wrong-hash-"
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} else {
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fmt.Printf(" successfully decrypted blob (length %v), hash is %v, ID matches\n", len(plaintext), id)
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Printf(" successfully decrypted blob (length %v), hash is %v, ID matches\n", len(plaintext), id)
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prefix = "correct-"
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}
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if extractPack {
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@ -397,7 +397,7 @@ func storePlainBlob(id restic.ID, prefix string, plain []byte) error {
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return err
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}
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fmt.Printf("decrypt of blob %v stored at %v\n", id, filename)
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Printf("decrypt of blob %v stored at %v\n", id, filename)
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return nil
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}
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@ -406,7 +406,7 @@ func runDebugExamine(gopts GlobalOptions, args []string) error {
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for _, name := range args {
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id, err := restic.ParseID(name)
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if err != nil {
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fmt.Fprintf(os.Stderr, "error: %v\n", err)
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Warnf("error: %v\n", err)
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continue
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}
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ids = append(ids, id)
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@ -437,7 +437,7 @@ func runDebugExamine(gopts GlobalOptions, args []string) error {
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for _, id := range ids {
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err := examinePack(gopts.ctx, repo, id)
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if err != nil {
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fmt.Fprintf(os.Stderr, "error: %v\n", err)
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Warnf("error: %v\n", err)
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}
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if err == context.Canceled {
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break
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@ -447,7 +447,7 @@ func runDebugExamine(gopts GlobalOptions, args []string) error {
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}
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func examinePack(ctx context.Context, repo restic.Repository, id restic.ID) error {
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fmt.Printf("examine %v\n", id)
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Printf("examine %v\n", id)
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h := restic.Handle{
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Type: restic.PackFile,
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@ -457,7 +457,7 @@ func examinePack(ctx context.Context, repo restic.Repository, id restic.ID) erro
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if err != nil {
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return err
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}
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fmt.Printf(" file size is %v\n", fi.Size)
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Printf(" file size is %v\n", fi.Size)
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buf, err := backend.LoadAll(ctx, nil, repo.Backend(), h)
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if err != nil {
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@ -465,13 +465,13 @@ func examinePack(ctx context.Context, repo restic.Repository, id restic.ID) erro
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}
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gotID := restic.Hash(buf)
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if !id.Equal(gotID) {
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fmt.Printf(" wanted hash %v, got %v\n", id, gotID)
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Printf(" wanted hash %v, got %v\n", id, gotID)
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} else {
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fmt.Printf(" hash for file content matches\n")
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Printf(" hash for file content matches\n")
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}
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fmt.Printf(" ========================================\n")
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fmt.Printf(" looking for info in the indexes\n")
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Printf(" ========================================\n")
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Printf(" looking for info in the indexes\n")
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blobsLoaded := false
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// examine all data the indexes have for the pack file
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@ -486,7 +486,7 @@ func examinePack(ctx context.Context, repo restic.Repository, id restic.ID) erro
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continue
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}
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fmt.Printf(" index %v:\n", idxIDs)
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Printf(" index %v:\n", idxIDs)
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// convert list of blobs to []restic.Blob
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var list []restic.Blob
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@ -497,14 +497,14 @@ func examinePack(ctx context.Context, repo restic.Repository, id restic.ID) erro
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err = loadBlobs(ctx, repo, id, list)
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if err != nil {
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fmt.Fprintf(os.Stderr, "error: %v\n", err)
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Warnf("error: %v\n", err)
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} else {
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blobsLoaded = true
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}
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}
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fmt.Printf(" ========================================\n")
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fmt.Printf(" inspect the pack itself\n")
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Printf(" ========================================\n")
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Printf(" inspect the pack itself\n")
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blobs, _, err := pack.List(repo.Key(), restic.ReaderAt(ctx, repo.Backend(), h), fi.Size)
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if err != nil {
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@ -527,9 +527,9 @@ func checkPackSize(blobs []restic.Blob, fileSize int64) {
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})
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for _, pb := range blobs {
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fmt.Printf(" %v blob %v, offset %-6d, raw length %-6d\n", pb.Type, pb.ID, pb.Offset, pb.Length)
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Printf(" %v blob %v, offset %-6d, raw length %-6d\n", pb.Type, pb.ID, pb.Offset, pb.Length)
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if offset != uint64(pb.Offset) {
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fmt.Printf(" hole in file, want offset %v, got %v\n", offset, pb.Offset)
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Printf(" hole in file, want offset %v, got %v\n", offset, pb.Offset)
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}
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offset += uint64(pb.Length)
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size += uint64(pb.Length)
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@ -541,8 +541,8 @@ func checkPackSize(blobs []restic.Blob, fileSize int64) {
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size += 4
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if uint64(fileSize) != size {
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fmt.Printf(" file sizes do not match: computed %v from index, file size is %v\n", size, fileSize)
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Printf(" file sizes do not match: computed %v from index, file size is %v\n", size, fileSize)
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} else {
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fmt.Printf(" file sizes match\n")
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Printf(" file sizes match\n")
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}
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}
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