private PatchResult CreateRepairPatch()
{
if (cancel)
{
return(PatchResult.Failed);
}
Directory.CreateDirectory(repairPatchOutputPath);
Log(Localization.Get(StringId.CreatingRepairPatch));
Stopwatch timer = Stopwatch.StartNew();
// Compress repair patch files and move them to the destination
Log(Localization.Get(StringId.CompressingFilesToDestination));
Stopwatch compressTimer = Stopwatch.StartNew();
for (int i = 0; i < versionInfo.Files.Count; i++)
{
if (cancel)
{
return(PatchResult.Failed);
}
VersionItem patchItem = versionInfo.Files[i];
string fromAbsolutePath = rootPath + patchItem.Path;
string toAbsolutePath = repairPatchOutputPath + patchItem.Path + PatchParameters.REPAIR_PATCH_FILE_EXTENSION;
Log(Localization.Get(StringId.CompressingXToY, fromAbsolutePath, toAbsolutePath));
compressTimer.Reset();
compressTimer.Start();
ZipUtils.CompressFile(fromAbsolutePath, toAbsolutePath, compressionFormatRepairPatch);
Log(Localization.Get(StringId.CompressionFinishedInXSeconds, compressTimer.ElapsedSeconds()));
patchItem.OnCompressed(new FileInfo(toAbsolutePath));
}
if (cancel)
{
return(PatchResult.Failed);
}
Log(Localization.Get(StringId.PatchCreatedInXSeconds, timer.ElapsedSeconds()));
// Calculate compression ratio
long uncompressedTotal = 0L, compressedTotal = 0L;
for (int i = 0; i < versionInfo.Files.Count; i++)
{
uncompressedTotal += versionInfo.Files[i].FileSize;
compressedTotal += versionInfo.Files[i].CompressedFileSize;
}
Log(Localization.Get(StringId.CompressionRatioIsX, ((double)compressedTotal * 100 / uncompressedTotal).ToString("F2")));
return(PatchResult.Success);
}
private PatchResult CreateRepairPatch()
{
if (cancel)
{
return(PatchResult.Failed);
}
Directory.CreateDirectory(repairPatchOutputPath);
Log(Localization.Get(StringId.CreatingRepairPatch));
Stopwatch timer = Stopwatch.StartNew();
// Compress repair patch files and move them to the destination
Log(Localization.Get(StringId.CompressingFilesToDestination));
Stopwatch compressTimer = Stopwatch.StartNew();
// Check if we can use existing repair patch files for files that didn't change since the last patch
string previousRepairPatchFilesRoot = null;
if (previousVersionInfo != null && previousVersionInfo.CompressionFormat == compressionFormatRepairPatch)
{
previousRepairPatchFilesRoot = previousPatchFilesRoot + PatchParameters.REPAIR_PATCH_DIRECTORY + Path.DirectorySeparatorChar;
if (!Directory.Exists(previousRepairPatchFilesRoot))
{
previousRepairPatchFilesRoot = null;
}
}
for (int i = 0; i < versionInfo.Files.Count; i++)
{
if (cancel)
{
return(PatchResult.Failed);
}
VersionItem patchItem = versionInfo.Files[i];
string fromAbsolutePath = rootPath + patchItem.Path;
string toAbsolutePath = repairPatchOutputPath + patchItem.Path + PatchParameters.REPAIR_PATCH_FILE_EXTENSION;
if (previousRepairPatchFilesRoot != null)
{
VersionItem previousPatchItem = previousVersionInfo.Files.Find((item) => item.Path == patchItem.Path);
if (previousPatchItem != null && previousPatchItem.FileSize == patchItem.FileSize && previousPatchItem.Md5Hash == patchItem.Md5Hash)
{
if (dontCreatePatchFilesForUnchangedFiles)
{
patchItem.CompressedFileSize = previousPatchItem.CompressedFileSize;
patchItem.CompressedMd5Hash = previousPatchItem.CompressedMd5Hash;
continue;
}
FileInfo previousCompressedFile = new FileInfo(previousRepairPatchFilesRoot + patchItem.Path + PatchParameters.REPAIR_PATCH_FILE_EXTENSION);
if (previousCompressedFile.Exists && previousCompressedFile.MatchesSignature(previousPatchItem.CompressedFileSize, previousPatchItem.CompressedMd5Hash))
{
Log(Localization.Get(StringId.CopyingXToPatch, previousCompressedFile.FullName));
PatchUtils.CopyFile(previousCompressedFile.FullName, toAbsolutePath);
patchItem.CompressedFileSize = previousPatchItem.CompressedFileSize;
patchItem.CompressedMd5Hash = previousPatchItem.CompressedMd5Hash;
continue;
}
}
}
Log(Localization.Get(StringId.CompressingXToY, fromAbsolutePath, toAbsolutePath));
compressTimer.Reset();
compressTimer.Start();
ZipUtils.CompressFile(fromAbsolutePath, toAbsolutePath, compressionFormatRepairPatch);
Log(Localization.Get(StringId.CompressionFinishedInXSeconds, compressTimer.ElapsedSeconds()));
patchItem.OnCompressed(new FileInfo(toAbsolutePath));
}
if (cancel)
{
return(PatchResult.Failed);
}
Log(Localization.Get(StringId.PatchCreatedInXSeconds, timer.ElapsedSeconds()));
// Calculate compression ratio
long uncompressedTotal = 0L, compressedTotal = 0L;
for (int i = 0; i < versionInfo.Files.Count; i++)
{
uncompressedTotal += versionInfo.Files[i].FileSize;
compressedTotal += versionInfo.Files[i].CompressedFileSize;
}
Log(Localization.Get(StringId.CompressionRatioIsX, ((double)compressedTotal * 100 / uncompressedTotal).ToString("F2")));
return(PatchResult.Success);
}
