public void Walk(IPackage package)
{
CheckPackageMinClientVersion(package);
// Do nothing if we saw this package already
if (Marker.IsVisited(package))
{
ProcessPackageTarget(package);
return;
}
OnBeforePackageWalk(package);
// Mark the package as processing
Marker.MarkProcessing(package);
if (!IgnoreDependencies)
{
foreach (var dependency in package.GetCompatiblePackageDependencies(TargetFramework))
{
// Try to resolve the dependency from the visited packages first
IPackage resolvedDependency = DependencyResolveUtility.ResolveDependency(
Marker,
dependency, constraintProvider: null,
allowPrereleaseVersions: AllowPrereleaseVersions,
preferListedPackages: false,
dependencyVersion: DependencyVersion);
if (resolvedDependency == null)
{
resolvedDependency = ResolveDependency(dependency);
}
if (resolvedDependency == null)
{
OnDependencyResolveError(dependency);
// If we're skipping dependency resolve errors then move on to the next
// dependency
if (SkipDependencyResolveError)
{
continue;
}
return;
}
if (!IgnoreWalkInfo)
{
// Set the parent
PackageWalkInfo dependencyInfo = GetPackageInfo(resolvedDependency);
dependencyInfo.Parent = package;
}
Marker.AddDependent(package, resolvedDependency);
if (!OnAfterResolveDependency(package, resolvedDependency))
{
continue;
}
if (Marker.IsCycle(resolvedDependency) ||
Marker.IsVersionCycle(resolvedDependency.Id))
{
if (RaiseErrorOnCycle)
{
List <IPackage> packages = Marker.Packages.ToList();
packages.Add(resolvedDependency);
throw new InvalidOperationException(
String.Format(CultureInfo.CurrentCulture,
NuGetResources.CircularDependencyDetected, String.Join(" => ",
packages.Select(p => p.GetFullName()))));
}
continue;
}
Walk(resolvedDependency);
}
}
// Mark the package as visited
Marker.MarkVisited(package);
ProcessPackageTarget(package);
OnAfterPackageWalk(package);
}
public void Walk(IPackage package)
{
// Do nothing if we saw this package already
if (Marker.IsVisited(package))
{
return;
}
OnBeforePackageWalk(package);
// Mark the package as processing
Marker.MarkProcessing(package);
if (!IgnoreDependencies)
{
foreach (var dependency in package.Dependencies)
{
// Try to resolve the dependency from the visited packages first
IPackage resolvedDependency = Marker.FindDependency(dependency) ??
ResolveDependency(dependency);
if (resolvedDependency == null)
{
OnDependencyResolveError(dependency);
// If we're skipping dependency resolve errros then move on to the next
// dependency
if (SkipDependencyResolveError)
{
continue;
}
return;
}
if (!IgnoreWalkInfo)
{
// Set the parent
PackageWalkInfo dependencyInfo = GetPackageInfo(resolvedDependency);
dependencyInfo.Parent = package;
}
Marker.AddDependent(package, resolvedDependency);
if (!OnAfterResolveDependency(package, resolvedDependency))
{
continue;
}
if (Marker.IsCycle(resolvedDependency) ||
Marker.IsVersionCycle(resolvedDependency.Id))
{
if (RaiseErrorOnCycle)
{
List <IPackage> packages = Marker.Packages.ToList();
packages.Add(resolvedDependency);
throw new InvalidOperationException(
String.Format(CultureInfo.CurrentCulture,
NuGetResources.CircularDependencyDetected, String.Join(" => ",
packages.Select(p => p.GetFullName()))));
}
continue;
}
Walk(resolvedDependency);
}
}
// Mark the package as visited
Marker.MarkVisited(package);
if (!IgnoreWalkInfo)
{
PackageWalkInfo info = GetPackageInfo(package);
// If our parent is an unknown then we need to bubble up the type
if (info.Parent != null)
{
PackageWalkInfo parentInfo = GetPackageInfo(info.Parent);
Debug.Assert(parentInfo != null);
if (parentInfo.InitialTarget == PackageTargets.None)
{
// Update the parent target type
parentInfo.Target |= info.Target;
// If we ended up with both that means we found a dependency only packges
// that has a mix of solution and project level packages
if (parentInfo.Target == PackageTargets.Both)
{
throw new InvalidOperationException(NuGetResources.DependencyOnlyCannotMixDependencies);
}
}
// Solution packages can't depend on project level packages
if (parentInfo.Target == PackageTargets.External && info.Target.HasFlag(PackageTargets.Project))
{
throw new InvalidOperationException(NuGetResources.ExternalPackagesCannotDependOnProjectLevelPackages);
}
}
}
OnAfterPackageWalk(package);
}