public override bool Execute()
{
DateTime startTime = DateTime.Now;
Log.LogMessage(MessageImportance.High, "Writing package usage data...");
string[] projectDirectoriesOutsideRoot = ProjectDirectories.NullAsEmpty()
.Where(dir => !dir.StartsWith(RootDir, StringComparison.Ordinal))
.ToArray();
if (projectDirectoriesOutsideRoot.Any())
{
throw new ArgumentException(
$"All ProjectDirectories must be in RootDir '{RootDir}', but found " +
string.Join(", ", projectDirectoriesOutsideRoot));
}
Log.LogMessage(MessageImportance.Low, "Finding set of RIDs...");
string[] possibleRids = PlatformsRuntimeJsonFiles.NullAsEmpty()
.SelectMany(ReadRidsFromRuntimeJson)
.Distinct()
.ToArray();
Log.LogMessage(MessageImportance.Low, "Reading package identities...");
PackageIdentity[] restored = RestoredPackageFiles.NullAsEmpty()
.Select(ReadNuGetPackageInfos.ReadIdentity)
.Distinct()
.ToArray();
PackageIdentity[] tarballPrebuilt = TarballPrebuiltPackageFiles.NullAsEmpty()
.Select(ReadNuGetPackageInfos.ReadIdentity)
.Distinct()
.ToArray();
PackageIdentity[] sourceBuilt = SourceBuiltPackageFiles.NullAsEmpty()
.Select(ReadNuGetPackageInfos.ReadIdentity)
.Distinct()
.ToArray();
IEnumerable <PackageIdentity> prebuilt = restored.Except(sourceBuilt);
PackageIdentity[] toCheck = NuGetPackageInfos.NullAsEmpty()
.Select(item => new PackageIdentity(
item.GetMetadata("PackageId"),
NuGetVersion.Parse(item.GetMetadata("PackageVersion"))))
.Concat(prebuilt)
.ToArray();
Log.LogMessage(MessageImportance.Low, "Finding project.assets.json files...");
string[] assetFiles = Directory.GetFiles(
RootDir,
"project.assets.json",
SearchOption.AllDirectories);
Log.LogMessage(MessageImportance.Low, "Reading usage info...");
var usages = new ConcurrentBag <Usage>();
Parallel.ForEach(
assetFiles,
assetFile =>
{
var properties = new HashSet <string>(StringComparer.OrdinalIgnoreCase);
using (var file = File.OpenRead(assetFile))
using (var reader = new StreamReader(file))
using (var jsonReader = new JsonTextReader(reader))
{
while (jsonReader.Read())
{
if (jsonReader.TokenType == JsonToken.PropertyName &&
jsonReader.Value is string value)
{
properties.Add(value);
}
}
}
foreach (var identity in toCheck
.Where(id => properties.Contains(id.Id + "/" + id.Version.OriginalVersion)))
{
usages.Add(Usage.Create(
// Store relative path for future report generation.
assetFile.Substring(RootDir.Length),
identity,
possibleRids));
}
});
Log.LogMessage(MessageImportance.Low, "Searching for unused packages...");
foreach (PackageIdentity restoredWithoutUsagesFound in
toCheck.Except(usages.Select(u => u.PackageIdentity)))
{
usages.Add(Usage.Create(
null,
restoredWithoutUsagesFound,
possibleRids));
}
// Packages that were included in the tarball as prebuilts, but weren't even restored.
PackageIdentity[] neverRestoredTarballPrebuilts = tarballPrebuilt
.Except(restored)
.ToArray();
Log.LogMessage(MessageImportance.Low, $"Writing data to '{DataFile}'...");
var data = new UsageData
{
CreatedByRid = TargetRid,
Usages = usages.ToArray(),
NeverRestoredTarballPrebuilts = neverRestoredTarballPrebuilts,
ProjectDirectories = ProjectDirectories
?.Select(dir => dir.Substring(RootDir.Length))
.ToArray()
};
Directory.CreateDirectory(Path.GetDirectoryName(DataFile));
File.WriteAllText(DataFile, data.ToXml().ToString());
Log.LogMessage(
MessageImportance.High,
$"Writing package usage data... done. Took {DateTime.Now - startTime}");
return(!Log.HasLoggedErrors);
}
