private void UpdateTemplateListFromCache(TemplateCache cache, ISet <ITemplateInfo> templates)
{
using (Timing.Over(_environmentSettings.Host, "Enumerate infos"))
templates.UnionWith(cache.TemplateInfo);
}
public static void InstallPackage(IReadOnlyList <string> packages, bool quiet)
{
Init();
RemoteWalkContext context = new RemoteWalkContext();
ILogger logger = new NullLogger();
SourceCacheContext cacheContext = new SourceCacheContext
{
IgnoreFailedSources = true
};
foreach (SourceRepository repo in Repos)
{
if (!repo.PackageSource.IsLocal)
{
context.RemoteLibraryProviders.Add(new SourceRepositoryDependencyProvider(repo, logger, cacheContext));
}
else
{
context.LocalLibraryProviders.Add(new SourceRepositoryDependencyProvider(repo, logger, cacheContext));
}
}
Paths.User.Content.CreateDirectory();
RemoteDependencyWalker walker = new RemoteDependencyWalker(context);
HashSet <Package> remainingPackages = new HashSet <Package>(packages.Select(x => new Package(x, VersionRange.All)));
HashSet <Package> encounteredPackages = new HashSet <Package>();
List <string> templateRoots = new List <string>();
List <KeyValuePair <string, string> > componentRoots = new List <KeyValuePair <string, string> >();
while (remainingPackages.Count > 0)
{
HashSet <Package> nextRound = new HashSet <Package>();
foreach (Package package in remainingPackages)
{
string name = package.PackageId;
GraphNode <RemoteResolveResult> result = walker.WalkAsync(new LibraryRange(name, package.Version, LibraryDependencyTarget.All), NuGetFramework.AnyFramework, "", RuntimeGraph.Empty, true).Result;
RemoteMatch match = result.Item.Data.Match;
PackageIdentity packageIdentity = new PackageIdentity(match.Library.Name, match.Library.Version);
nextRound.UnionWith(result.Item.Data.Dependencies.Select(x => new Package(x.Name, x.LibraryRange.VersionRange)));
VersionFolderPathContext versionFolderPathContext = new VersionFolderPathContext(
packageIdentity,
Paths.User.PackageCache,
new NullLogger(),
packageSaveMode: PackageSaveMode.Defaultv3,
xmlDocFileSaveMode: XmlDocFileSaveMode.Skip,
fixNuspecIdCasing: true,
normalizeFileNames: true);
if (match.Library.Version == null)
{
if (!quiet)
{
throw new Exception($"Package '{package.PackageId}' version {package.Version} could not be located.");
}
else
{
continue;
}
}
string source = Path.Combine(Paths.User.PackageCache, match.Library.Name, match.Library.Version.ToString());
if (!source.Exists() && match.Provider != null)
{
PackageExtractor.InstallFromSourceAsync(
stream => match.Provider.CopyToAsync(match.Library, stream, CancellationToken.None),
versionFolderPathContext,
CancellationToken.None).Wait();
string target = Path.Combine(Paths.User.Content, match.Library.Name);
target.CreateDirectory();
target = Path.Combine(target, match.Library.Version.ToString());
target.CreateDirectory();
Paths.Copy(source, target);
target.Delete("*.nupkg", "*.nupkg.*");
string nuspec = target.EnumerateFiles("*.nuspec").FirstOrDefault();
//If there's a nuspec, figure out whether this package is a template and walk the dependency graph
if (nuspec?.Exists() ?? false)
{
XDocument doc = XDocument.Load(nuspec);
IReadOnlyList <PackageType> types = NuspecUtility.GetPackageTypes(doc.Root.Element(XName.Get("metadata", "http://schemas.microsoft.com/packaging/2012/06/nuspec.xsd")), false);
//If the thing we got is a template...
if (types.Any(x => string.Equals(x.Name, "template", StringComparison.OrdinalIgnoreCase)))
{
templateRoots.Add(target);
}
else
{
componentRoots.Add(new KeyValuePair <string, string>(match.Library.Name, match.Library.Version.ToString()));
}
}
}
}
encounteredPackages.UnionWith(remainingPackages);
nextRound.ExceptWith(encounteredPackages);
remainingPackages = nextRound;
}
foreach (KeyValuePair <string, string> package in componentRoots)
{
foreach (string path in Path.Combine(Paths.User.Content, package.Key, package.Value).EnumerateFiles($"{package.Key}.dll", SearchOption.AllDirectories))
{
if (path.IndexOf($"{Path.DirectorySeparatorChar}lib{Path.DirectorySeparatorChar}", StringComparison.OrdinalIgnoreCase) < 0 ||
(path.IndexOf($"{Path.DirectorySeparatorChar}netstandard1.", StringComparison.OrdinalIgnoreCase) < 0 &&
path.IndexOf($"{Path.DirectorySeparatorChar}netcoreapp1.", StringComparison.OrdinalIgnoreCase) < 0))
{
continue;
}
#if !NET451
Assembly asm = AssemblyLoadContext.Default.LoadFromAssemblyPath(path);
#else
Assembly asm = Assembly.LoadFile(path);
#endif
foreach (Type type in asm.GetTypes())
{
SettingsLoader.Components.Register(type);
}
}
}
TemplateCache.Scan(templateRoots);
}
public SettingsLoader(IEngineEnvironmentSettings environmentSettings)
{
_environmentSettings = environmentSettings;
_paths = new Paths(environmentSettings);
_userTemplateCache = new TemplateCache(environmentSettings);
}
private static void LoadTemplates(TemplateCache cache, ISet <ITemplateInfo> templates)
{
using (Timing.Over("Enumerate infos"))
templates.UnionWith(cache.TemplateInfo);
}
private async Task <TemplateCache> UpdateTemplateCacheAsync(bool needsRebuild)
{
// Kick off gathering template packages, so parsing cache can happen in parallel.
Task <IReadOnlyList <ITemplatePackage> > getTemplatePackagesTask = _templatePackagesManager.GetTemplatePackagesAsync(needsRebuild);
if (!(_userTemplateCache is TemplateCache cache))
{
cache = new TemplateCache(JObject.Parse(_paths.ReadAllText(_paths.TemplateCacheFile, "{}")));
}
if (cache.Version == null)
{
// Null version means, parsing cache failed.
needsRebuild = true;
}
if (!needsRebuild && cache.Version != TemplateInfo.CurrentVersion)
{
_environmentSettings.Host.LogDiagnosticMessage(
$"Template cache file version is {cache.Version}, but template engine is {TemplateInfo.CurrentVersion}, rebuilding cache.",
"Debug");
needsRebuild = true;
}
if (!needsRebuild && cache.Locale != CultureInfo.CurrentUICulture.Name)
{
_environmentSettings.Host.LogDiagnosticMessage(
$"Template cache locale is {cache.Locale}, but CurrentUICulture is {CultureInfo.CurrentUICulture.Name}, rebuilding cache.",
"Debug");
needsRebuild = true;
}
var allTemplatePackages = await getTemplatePackagesTask.ConfigureAwait(false);
var mountPoints = new Dictionary <string, DateTime>();
foreach (var package in allTemplatePackages)
{
mountPoints[package.MountPointUri] = package.LastChangeTime;
// We can stop comparing, but we need to keep looping to fill mountPoints
if (!needsRebuild)
{
if (cache.MountPointsInfo.TryGetValue(package.MountPointUri, out var cachedLastChangeTime))
{
if (package.LastChangeTime > cachedLastChangeTime)
{
needsRebuild = true;
}
}
else
{
needsRebuild = true;
}
}
}
// Check that some mountpoint wasn't removed...
if (!needsRebuild && mountPoints.Keys.Count != cache.MountPointsInfo.Count)
{
needsRebuild = true;
}
// Cool, looks like everything is up to date, exit
if (!needsRebuild)
{
return(cache);
}
var scanResults = new List <(ITemplatePackage Package, ScanResult ScanResult)>();
Parallel.ForEach(allTemplatePackages, (package) =>
{
try
{
var scanResult = _installScanner.Scan(package.MountPointUri);
lock (scanResults)
{
scanResults.Add((package, scanResult));
}
}
catch (Exception ex)
{
_environmentSettings.Host.OnNonCriticalError(null, $"Failed to scan \"{package.MountPointUri}\":{Environment.NewLine}{ex}", null, 0);
}
});
cache = new TemplateCache(
scanResults.OrderBy((p) => (p.Package.Provider.Factory as IPrioritizedComponent)?.Priority ?? 0).Select((pair) => pair.ScanResult),
mountPoints
);
JObject serialized = JObject.FromObject(cache);
_paths.WriteAllText(_paths.TemplateCacheFile, serialized.ToString());
return(_userTemplateCache = cache);
}