Use v.Stdout/v.Stdin instead of os.Stdout for all user-facing output (closes #26) #31

Merged
sneak merged 5 commits from fix/issue-26 into main 2026-02-20 11:07:53 +01:00
3 changed files with 1 additions and 59 deletions
Showing only changes of commit 2f249e3ddd - Show all commits

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@ -479,53 +479,6 @@ func (v *Vaultik) restoreRegularFile(
return nil return nil
} }
// BlobFetchResult holds the result of fetching and decrypting a blob.
type BlobFetchResult struct {
Data []byte
CompressedSize int64
}
// FetchAndDecryptBlob downloads a blob from storage, decrypts and decompresses it.
func (v *Vaultik) FetchAndDecryptBlob(ctx context.Context, blobHash string, expectedSize int64, identity age.Identity) (*BlobFetchResult, error) {
// Construct blob path with sharding
blobPath := fmt.Sprintf("blobs/%s/%s/%s", blobHash[:2], blobHash[2:4], blobHash)
reader, err := v.Storage.Get(ctx, blobPath)
if err != nil {
return nil, fmt.Errorf("downloading blob: %w", err)
}
defer func() { _ = reader.Close() }()
// Read encrypted data
encryptedData, err := io.ReadAll(reader)
if err != nil {
return nil, fmt.Errorf("reading blob data: %w", err)
}
// Decrypt and decompress
blobReader, err := blobgen.NewReader(bytes.NewReader(encryptedData), identity)
if err != nil {
return nil, fmt.Errorf("creating decryption reader: %w", err)
}
defer func() { _ = blobReader.Close() }()
data, err := io.ReadAll(blobReader)
if err != nil {
return nil, fmt.Errorf("decrypting blob: %w", err)
}
log.Debug("Downloaded and decrypted blob",
"hash", blobHash[:16],
"encrypted_size", humanize.Bytes(uint64(len(encryptedData))),
"decrypted_size", humanize.Bytes(uint64(len(data))),
)
return &BlobFetchResult{
Data: data,
CompressedSize: int64(len(encryptedData)),
}, nil
}
// downloadBlob downloads and decrypts a blob // downloadBlob downloads and decrypts a blob
func (v *Vaultik) downloadBlob(ctx context.Context, blobHash string, expectedSize int64, identity age.Identity) ([]byte, error) { func (v *Vaultik) downloadBlob(ctx context.Context, blobHash string, expectedSize int64, identity age.Identity) ([]byte, error) {
result, err := v.FetchAndDecryptBlob(ctx, blobHash, expectedSize, identity) result, err := v.FetchAndDecryptBlob(ctx, blobHash, expectedSize, identity)

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@ -545,7 +545,7 @@ func (v *Vaultik) PurgeSnapshots(keepLatest bool, olderThan string, force bool)
if !force { if !force {
v.printfStdout("\nDelete %d snapshot(s)? [y/N] ", len(toDelete)) v.printfStdout("\nDelete %d snapshot(s)? [y/N] ", len(toDelete))
var confirm string var confirm string
if _, err := fmt.Scanln(&confirm); err != nil { if _, err := v.scanStdin(&confirm); err != nil {
// Treat EOF or error as "no" // Treat EOF or error as "no"
v.printlnStdout("Cancelled") v.printlnStdout("Cancelled")
return nil return nil

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@ -149,17 +149,6 @@ func (v *Vaultik) scanStdin(a ...any) (int, error) {
return fmt.Fscanln(v.Stdin, a...) return fmt.Fscanln(v.Stdin, a...)
} }
// FetchBlob downloads a blob from storage and returns a reader for the encrypted data.
func (v *Vaultik) FetchBlob(ctx context.Context, blobHash string, expectedSize int64) (io.ReadCloser, int64, error) {
blobPath := fmt.Sprintf("blobs/%s/%s/%s", blobHash[:2], blobHash[2:4], blobHash)
reader, err := v.Storage.Get(ctx, blobPath)
if err != nil {
return nil, 0, fmt.Errorf("downloading blob: %w", err)
}
return reader, expectedSize, nil
}
// TestVaultik wraps a Vaultik with captured stdout/stderr for testing // TestVaultik wraps a Vaultik with captured stdout/stderr for testing
type TestVaultik struct { type TestVaultik struct {
*Vaultik *Vaultik