public async Task <PackageRestoreResult> RestoreAsync()
{
var newlyRequested = _requestedPackageReferences
.Select(r => r.Value)
.Where(r => !_resolvedPackageReferences.ContainsKey(r.PackageName.ToLower(CultureInfo.InvariantCulture)))
.ToArray();
var errors = new List <string>();
ResolvingErrorReport ReportError = (ErrorReportType errorType, int code, string message) =>
{
errors.Add($"PackageManagement {(errorType.IsError ? "Error" : "Warning")} {code} {message}");
};
var result =
await Task.Run(() => {
return(Resolve(GetPackageManagerLines(), restoreTfm, ReportError));
});
if (!result.Success)
{
errors.AddRange(result.StdOut);
return(new PackageRestoreResult(
succeeded: false,
requestedPackages: newlyRequested,
errors: errors));
}
else
{
var previouslyResolved = _resolvedPackageReferences.Values.ToArray();
var resolved = GetResolvedPackageReferences(result.Resolutions.Select(r => new FileInfo(r)),
result.SourceFiles.Select(s => new FileInfo(s)),
result.Roots.Select(r => new DirectoryInfo(r)));
foreach (var reference in resolved)
{
_resolvedPackageReferences.TryAdd(reference.PackageName.ToLower(CultureInfo.InvariantCulture), reference);
}
var resolvedReferences = _resolvedPackageReferences
.Values
.Except(previouslyResolved)
.ToList();
return(new PackageRestoreResult(
succeeded: true,
requestedPackages: newlyRequested,
resolvedReferences: _resolvedPackageReferences
.Values
.Except(previouslyResolved)
.ToList()));
}
}
private IResolveDependenciesResult Resolve(IEnumerable <string> packageManagerTextLines, string executionTfm, ResolvingErrorReport reportError)
{
IDependencyManagerProvider iDependencyManager = _dependencies.TryFindDependencyManagerByKey(Enumerable.Empty <string>(), "", reportError, "nuget");
if (iDependencyManager == null)
{
// If this happens it is because of a bug in the Dependency provider. or deployment failed to deploy the nuget provider dll.
// We guarantee the presence of the nuget provider, by shipping it with the notebook product
throw new InvalidOperationException("Internal error - unable to locate the nuget package manager, please try to reinstall.");
}
return(_dependencies.Resolve(iDependencyManager, ".csx", packageManagerTextLines, reportError, executionTfm));
}
