private static bool TryResolveFromPackagePath(IFileSystem fileSystem, CompilationLibrary library, string basePath, out IEnumerable <string> results)
        {
            var paths = new List <string>();

            foreach (var assembly in library.Assemblies)
            {
                string fullName;
                if (!ResolverUtils.TryResolveAssemblyFile(fileSystem, basePath, assembly, out fullName))
                {
                    // if one of the files can't be found, skip this package path completely.
                    // there are package paths that don't include all of the "ref" assemblies
                    // (ex. ones created by 'dotnet store')
                    results = null;
                    return(false);
                }

                paths.Add(fullName);
            }

            results = paths;
            return(true);
        }
        public bool TryResolveAssemblyPaths(CompilationLibrary library, List <string> assemblies)
        {
            var isProject = string.Equals(library.Type, "project", StringComparison.OrdinalIgnoreCase) ||
                            string.Equals(library.Type, "msbuildproject", StringComparison.OrdinalIgnoreCase);

            var isPackage           = string.Equals(library.Type, "package", StringComparison.OrdinalIgnoreCase);
            var isReferenceAssembly = string.Equals(library.Type, "referenceassembly", StringComparison.OrdinalIgnoreCase);

            if (!isProject &&
                !isPackage &&
                !isReferenceAssembly &&
                !string.Equals(library.Type, "reference", StringComparison.OrdinalIgnoreCase))
            {
                return(false);
            }

            var refsPath    = Path.Combine(_basePath, RefsDirectoryName);
            var isPublished = _fileSystem.Directory.Exists(refsPath);

            // Resolving reference assemblies requires refs folder to exist
            if (isReferenceAssembly && !isPublished)
            {
                return(false);
            }

            var directories = new List <string>()
            {
                _basePath
            };

            if (isPublished)
            {
                directories.Insert(0, refsPath);
            }

            // Only packages can come from shared runtime
            var sharedPath = _dependencyContextPaths.SharedRuntime;

            if (isPublished && isPackage && !string.IsNullOrEmpty(sharedPath))
            {
                var sharedDirectory = Path.GetDirectoryName(sharedPath);
                var sharedRefs      = Path.Combine(sharedDirectory, RefsDirectoryName);
                if (_fileSystem.Directory.Exists(sharedRefs))
                {
                    directories.Add(sharedRefs);
                }
                directories.Add(sharedDirectory);
            }

            var paths = new List <string>();

            foreach (var assembly in library.Assemblies)
            {
                bool resolved     = false;
                var  assemblyFile = Path.GetFileName(assembly);
                foreach (var directory in directories)
                {
                    string fullName;
                    if (ResolverUtils.TryResolveAssemblyFile(_fileSystem, directory, assemblyFile, out fullName))
                    {
                        paths.Add(fullName);
                        resolved = true;
                        break;
                    }
                }

                if (!resolved)
                {
                    return(false);
                }
            }

            // only modify the assemblies parameter if we've resolved all files
            assemblies?.AddRange(paths);
            return(true);
        }