private IEnumerable <ResolvedAction> GetRequiredActions(PackagesContext context)
{
var packagesToUninstall = new HashSet <PackageIdentity>(_project.InstalledPackages.Select(x => x.Key), PackageIdentity.Comparer);
var packagesToInstall = new HashSet <PackageIdentity>(PackageIdentity.Comparer);
foreach (var packageIdentity in context.Packages)
{
if (packagesToUninstall.Contains(packageIdentity))
{
packagesToUninstall.Remove(packageIdentity);
}
else
{
packagesToInstall.Add(packageIdentity);
}
}
var actions = new List <ResolvedAction>(packagesToUninstall.Select(ResolvedAction.CreateUninstall));
foreach (var packageIdentity in packagesToInstall)
{
actions.Add(ResolvedAction.CreateInstall(packageIdentity, context.PackageDependencies[packageIdentity].Source));
}
return(actions);
}
public async Task EnsurePackagesInstalled(PackagesLock packagesLock)
{
var resources = _project.PrimarySources.Concat(_project.DependencySources)
.ToImmutableDictionary(x => x.GetResource <FindPackageByIdResource>(), x => x);
var cache = GetDefaultResolutionContext().SourceCacheContext;
var actions = (await TaskCombinators.ThrottledAsync(packagesLock, async(package, token) =>
{
if (!_project.ModulesDirectory.ModuleExists(package.Key))
{
foreach (var(resource, repo) in resources)
{
var versions =
await resource.GetAllVersionsAsync(package.Key.Id, cache, _logger, CancellationToken.None);
if (versions.Any(x => x == package.Key.Version))
{
return(ResolvedAction.CreateInstall(package.Key, repo));
}
}
}
return(null);
}, CancellationToken.None)).Where(x => x != null).ToList();
if (actions.Any())
{
await ExecuteActionsAsync(actions, GetDefaultDownloadContext(), CancellationToken.None);
}
}