private Task <string> InstallPackageToAppDir(UpdateInfo updateInfo, ReleaseEntry release)
{
return(Task.Run(
async() =>
{
var target = GetDirectoryForRelease(release.Version);
// NB: This might happen if we got killed partially through applying the release
if (target.Exists)
{
Log.WarnFormat("Found partially applied release folder, killing it: " + target.FullName);
await Utility.DeleteDirectory(target.FullName);
}
target.Create();
Log.InfoFormat("Writing files to app directory: {0}", target.FullName);
await ReleasePackage.ExtractZipForInstall(
Path.Combine(updateInfo.PackageDirectory, release.Filename),
target.FullName,
rootAppDirectory);
return target.FullName;
}));
}
private async Task <ReleaseEntry> CreateFullPackagesFromDeltas(IEnumerable <ReleaseEntry> releasesToApply, ReleaseEntry currentVersion)
{
Guard.ArgumentIsTrue(releasesToApply != null, "releasesToApply != null");
// If there are no remote releases at all, bail
if (!releasesToApply.Any())
{
return(null);
}
// If there are no deltas in our list, we're already done
if (releasesToApply.All(x => !x.IsDelta))
{
return(releasesToApply.MaxBy(x => x.Version).FirstOrDefault());
}
if (!releasesToApply.All(x => x.IsDelta))
{
throw new Exception("Cannot apply combinations of delta and full packages");
}
// Smash together our base full package and the nearest delta
var ret = await Task.Run(
() =>
{
var basePkg = new ReleasePackage(Path.Combine(rootAppDirectory, "packages", currentVersion.Filename));
var deltaPkg = new ReleasePackage(Path.Combine(rootAppDirectory, "packages", releasesToApply.First().Filename));
var deltaBuilder = new DeltaPackageBuilder(Directory.GetParent(rootAppDirectory).FullName);
return(deltaBuilder.ApplyDeltaPackage(
basePkg,
deltaPkg,
Regex.Replace(deltaPkg.InputPackageFile, @"-delta.nupkg$", ".nupkg", RegexOptions.IgnoreCase | RegexOptions.CultureInvariant)));
});
if (releasesToApply.Count() == 1)
{
return(ReleaseEntry.GenerateFromFile(ret.InputPackageFile));
}
var fi = new FileInfo(ret.InputPackageFile);
var entry = ReleaseEntry.GenerateFromFile(fi.OpenRead(), fi.Name);
// Recursively combine the rest of them
return(await CreateFullPackagesFromDeltas(releasesToApply.Skip(1), entry));
}
public ReleasePackage ApplyDeltaPackage(ReleasePackage basePackage, ReleasePackage deltaPackage, string outputFile)
{
Guard.ArgumentIsTrue(deltaPackage != null, "deltaPackage != null");
Guard.ArgumentIsTrue(!string.IsNullOrEmpty(outputFile) && !File.Exists(outputFile), "!string.IsNullOrEmpty(outputFile) && !File.Exists(outputFile)");
using (Utility.WithTempDirectory(out var deltaPath, localAppDirectory))
using (Utility.WithTempDirectory(out var workingPath, localAppDirectory))
{
var opts = new ExtractionOptions {
ExtractFullPath = true, Overwrite = true, PreserveFileTime = true
};
using (var za = ZipArchive.Open(deltaPackage.InputPackageFile))
using (var reader = za.ExtractAllEntries())
{
reader.WriteAllToDirectory(deltaPath, opts);
}
using (var za = ZipArchive.Open(basePackage.InputPackageFile))
using (var reader = za.ExtractAllEntries())
{
reader.WriteAllToDirectory(workingPath, opts);
}
var pathsVisited = new List <string>();
var deltaPathRelativePaths = new DirectoryInfo(deltaPath).GetAllFilesRecursively()
.Select(x => x.FullName.Replace(deltaPath + Path.DirectorySeparatorChar, ""))
.ToArray();
// Apply all of the .diff files
deltaPathRelativePaths
.Where(x => x.StartsWith("lib", StringComparison.InvariantCultureIgnoreCase))
.Where(x => !x.EndsWith(".shasum", StringComparison.InvariantCultureIgnoreCase))
.Where(
x => !x.EndsWith(".diff", StringComparison.InvariantCultureIgnoreCase) ||
!deltaPathRelativePaths.Contains(x.Replace(".diff", ".bsdiff")))
.ForEach(
file =>
{
pathsVisited.Add(Regex.Replace(file, @"\.(bs)?diff$", "").ToLowerInvariant());
ApplyDiffToFile(deltaPath, file, workingPath);
});
// Delete all of the files that were in the old package but
// not in the new one.
new DirectoryInfo(workingPath).GetAllFilesRecursively()
.Select(x => x.FullName.Replace(workingPath + Path.DirectorySeparatorChar, "").ToLowerInvariant())
.Where(x => x.StartsWith("lib", StringComparison.InvariantCultureIgnoreCase) && !pathsVisited.Contains(x))
.ForEach(
x =>
{
Log.InfoFormat("{0} was in old package but not in new one, deleting", x);
File.Delete(Path.Combine(workingPath, x));
});
// Update all the files that aren't in 'lib' with the delta
// package's versions (i.e. the nuspec file, etc etc).
deltaPathRelativePaths
.Where(x => !x.StartsWith("lib", StringComparison.InvariantCultureIgnoreCase))
.ForEach(
x =>
{
Log.InfoFormat("Updating metadata file: {0}", x);
File.Copy(Path.Combine(deltaPath, x), Path.Combine(workingPath, x), true);
});
Log.InfoFormat("Repacking into full package: {0}", outputFile);
using (var za = ZipArchive.Create())
using (var tgt = File.OpenWrite(outputFile ?? throw new ArgumentNullException(nameof(outputFile))))
{
za.DeflateCompressionLevel = CompressionLevel.BestSpeed;
za.AddAllFromDirectory(workingPath);
za.SaveTo(tgt);
}
}
return(new ReleasePackage(outputFile));
}
public ReleasePackage CreateDeltaPackage(ReleasePackage basePackage, ReleasePackage newPackage, string outputFile)
{
Guard.ArgumentIsTrue(basePackage != null, "basePackage != null");
Guard.ArgumentIsTrue(!string.IsNullOrEmpty(outputFile) && !File.Exists(outputFile), "!string.IsNullOrEmpty(outputFile) && !File.Exists(outputFile)");
if (basePackage.Version > newPackage.Version)
{
var message = $"You cannot create a delta package based on version {basePackage.Version} as it is a later version than {newPackage.Version}";
throw new InvalidOperationException(message);
}
if (basePackage.ReleasePackageFile == null)
{
throw new ArgumentException("The base package's release file is null", "basePackage");
}
if (!File.Exists(basePackage.ReleasePackageFile))
{
throw new FileNotFoundException("The base package release does not exist", basePackage.ReleasePackageFile);
}
if (!File.Exists(newPackage.ReleasePackageFile))
{
throw new FileNotFoundException("The new package release does not exist", newPackage.ReleasePackageFile);
}
using (Utility.WithTempDirectory(out var baseTempPath))
using (Utility.WithTempDirectory(out var tempPath))
{
var baseTempInfo = new DirectoryInfo(baseTempPath);
var tempInfo = new DirectoryInfo(tempPath);
Log.InfoFormat(
"Extracting {0} and {1} into {2}",
basePackage.ReleasePackageFile,
newPackage.ReleasePackageFile,
tempPath);
Utility.ExtractZipToDirectory(basePackage.ReleasePackageFile, baseTempInfo.FullName).Wait();
Utility.ExtractZipToDirectory(newPackage.ReleasePackageFile, tempInfo.FullName).Wait();
// Collect a list of relative paths under 'lib' and map them
// to their full name. We'll use this later to determine in
// the new version of the package whether the file exists or
// not.
var baseLibFiles = baseTempInfo.GetAllFilesRecursively()
.Where(x => x.FullName.ToLowerInvariant().Contains("lib" + Path.DirectorySeparatorChar))
.ToDictionary(k => k.FullName.Replace(baseTempInfo.FullName, ""), v => v.FullName);
var newLibDir = tempInfo.GetDirectories().First(x => x.Name.ToLowerInvariant() == "lib");
foreach (var libFile in newLibDir.GetAllFilesRecursively())
{
CreateDeltaForSingleFile(libFile, tempInfo, baseLibFiles);
}
ReleasePackage.AddDeltaFilesToContentTypes(tempInfo.FullName);
Utility.CreateZipFromDirectory(outputFile, tempInfo.FullName).Wait();
}
return(new ReleasePackage(outputFile));
}
