private ContentHash ComputeStartedCopyHash(ContentHash hash)
{
var murmurHash = MurmurHash3.Create(hash.ToByteArray(), _startedCopyHashSeed);
var hashLength = HashInfoLookup.Find(_hashType).ByteLength;
var buffer = murmurHash.ToByteArray();
Array.Resize(ref buffer, hashLength);
return new ContentHash(_hashType, buffer);
}
private static (WeakContentFingerprint wf, StrongContentFingerprint sf) GetBuildManifestHashKey(ContentHash hash)
{
var hashBytes = hash.ToByteArray();
Array.Resize(ref hashBytes, FingerprintUtilities.FingerprintLength);
var wf = new WeakContentFingerprint(FingerprintUtilities.CreateFrom(hashBytes));
var sf = new StrongContentFingerprint(wf.Hash);
return(wf, sf);
}