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Force a checksum check before skipping FileStore copy op

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This commit is contained in:
Dean Herbert
2019-09-20 15:00:27 +09:00
parent c5474bc2ef
commit d0a4e1e3c2
1 changed files with 10 additions and 1 deletions
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11
osu.Game/IO/FileStore.cs
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@ -50,7 +50,16 @@ namespace osu.Game.IO
string path = info.StoragePath; string path = info.StoragePath;
// we may be re-adding a file to fix missing store entries. // we may be re-adding a file to fix missing store entries.
if (!Storage.Exists(path)) bool requiresCopy = !Storage.Exists(path);
if (!requiresCopy)
{
// even if the file already exists, check the existing checksum for safety.
using (var stream = Storage.GetStream(path))
requiresCopy |= stream.ComputeSHA2Hash() != hash;
}
if (requiresCopy)
{ {
data.Seek(0, SeekOrigin.Begin); data.Seek(0, SeekOrigin.Begin);