void applyDiffToFile(string deltaPath, string relativeFilePath, string workingDirectory)
{
var inputFile = Path.Combine(deltaPath, relativeFilePath);
var finalTarget = Path.Combine(workingDirectory, Regex.Replace(relativeFilePath, @"\.(bs)?diff$", ""));
var tempTargetFile = default(string);
Utility.WithTempFile(out tempTargetFile, localAppDirectory);
try {
// NB: Zero-length diffs indicate the file hasn't actually changed
if (new FileInfo(inputFile).Length == 0) {
this.Log().Info("{0} exists unchanged, skipping", relativeFilePath);
return;
}
if (relativeFilePath.EndsWith(".bsdiff", StringComparison.InvariantCultureIgnoreCase)) {
using (var of = File.OpenWrite(tempTargetFile))
using (var inf = File.OpenRead(finalTarget)) {
this.Log().Info("Applying BSDiff to {0}", relativeFilePath);
BinaryPatchUtility.Apply(inf, () => File.OpenRead(inputFile), of);
}
verifyPatchedFile(relativeFilePath, inputFile, tempTargetFile);
} else if (relativeFilePath.EndsWith(".diff", StringComparison.InvariantCultureIgnoreCase)) {
this.Log().Info("Applying MSDiff to {0}", relativeFilePath);
var msDelta = new MsDeltaCompression();
msDelta.ApplyDelta(inputFile, finalTarget, tempTargetFile);
verifyPatchedFile(relativeFilePath, inputFile, tempTargetFile);
} else {
using (var of = File.OpenWrite(tempTargetFile))
using (var inf = File.OpenRead(inputFile)) {
this.Log().Info("Adding new file: {0}", relativeFilePath);
inf.CopyTo(of);
}
}
if (File.Exists(finalTarget)) File.Delete(finalTarget);
var targetPath = Directory.GetParent(finalTarget);
if (!targetPath.Exists) targetPath.Create();
File.Move(tempTargetFile, finalTarget);
} finally {
if (File.Exists(tempTargetFile)) Utility.DeleteFileHarder(tempTargetFile, true);
}
}
void applyDiffToFile(string deltaPath, string relativeFilePath, string workingDirectory)
{
var inputFile = Path.Combine(deltaPath, relativeFilePath);
var finalTarget = Path.Combine(workingDirectory, Regex.Replace(relativeFilePath, @".diff$", ""));
var tempTargetFile = Path.GetTempFileName();
// NB: Zero-length diffs indicate the file hasn't actually changed
if (new FileInfo(inputFile).Length == 0) {
this.Log().Info("{0} exists unchanged, skipping", relativeFilePath);
return;
}
if (relativeFilePath.EndsWith(".diff", StringComparison.InvariantCultureIgnoreCase)) {
this.Log().Info("Applying Diff to {0}", relativeFilePath);
var msDelta = new MsDeltaCompression();
msDelta.ApplyDelta(inputFile, finalTarget, tempTargetFile);
try {
verifyPatchedFile(relativeFilePath, inputFile, tempTargetFile);
} catch (Exception) {
File.Delete(tempTargetFile);
throw;
}
} else {
using (var of = File.OpenWrite(tempTargetFile))
using (var inf = File.OpenRead(inputFile)) {
this.Log().Info("Adding new file: {0}", relativeFilePath);
inf.CopyTo(of);
}
}
if (File.Exists(finalTarget)) File.Delete(finalTarget);
var targetPath = Directory.GetParent(finalTarget);
if (!targetPath.Exists) targetPath.Create();
File.Move(tempTargetFile, finalTarget);
}