/// <summary>
/// Find the list of parent projects which directly or indirectly reference the child project.
/// </summary>
public static IReadOnlyList <BuildIntegratedNuGetProject> GetParentProjectsInClosure(
IReadOnlyList <BuildIntegratedNuGetProject> projects,
BuildIntegratedNuGetProject target,
DependencyGraphSpec cache)
{
if (projects == null)
{
throw new ArgumentNullException(nameof(projects));
}
if (target == null)
{
throw new ArgumentNullException(nameof(target));
}
if (cache == null)
{
throw new ArgumentNullException(nameof(cache));
}
var listOfParents = cache.GetParents(target.MSBuildProjectPath);
var parentNuGetprojects = new HashSet <BuildIntegratedNuGetProject>();
foreach (var parent in listOfParents)
{
// do not count the target as a parent
var nugetProject = projects.FirstOrDefault(r => r.MSBuildProjectPath == parent);
if (nugetProject != null && !nugetProject.Equals(target))
{
parentNuGetprojects.Add(nugetProject);
}
}
// sort parents by path to make this more deterministic during restores
return(parentNuGetprojects
.OrderBy(parent => parent.MSBuildProjectPath, StringComparer.Ordinal)
.ToList());
}