TrueCloudLab/restic
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Add plumbing to calculate backend specific file hash for upload

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This enables the backends to request the calculation of a
backend-specific hash. For the currently supported backends this will
always be MD5. The hash calculation happens as early as possible, for
pack files this is during assembly of the pack file. That way the hash
would even capture corruptions of the temporary pack file on disk.
This commit is contained in:
Michael Eischer 2020-12-19 12:39:48 +01:00
parent ee2f14eaf0
commit 9aa2eff384
28 changed files with 219 additions and 48 deletions
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4
internal/backend/backend_retry_test.go
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@ -36,7 +36,7 @@ func TestBackendSaveRetry(t *testing.T) {
retryBackend := NewRetryBackend(be, 10, nil)
data := test.Random(23, 5*1024*1024+11241)
err := retryBackend.Save(context.TODO(), restic.Handle{}, restic.NewByteReader(data))
err := retryBackend.Save(context.TODO(), restic.Handle{}, restic.NewByteReader(data, be.Hasher()))
if err != nil {
t.Fatal(err)
}
@ -256,7 +256,7 @@ func TestBackendCanceledContext(t *testing.T) {
_, err = retryBackend.Stat(ctx, h)
assertIsCanceled(t, err)
err = retryBackend.Save(ctx, h, restic.NewByteReader([]byte{}))
err = retryBackend.Save(ctx, h, restic.NewByteReader([]byte{}, nil))
assertIsCanceled(t, err)
err = retryBackend.Remove(ctx, h)
assertIsCanceled(t, err)