Cake.Web.Core.NuGet.NuGetInstaller.InstallPackage C# (CSharp) Метод

        private DirectoryPath InstallPackage(PackageDefinition package, DirectoryPath root)
        {
            var packagePath = root.Combine("libs");
            if (!_fileSystem.Exist(packagePath))
            {
                _fileSystem.GetDirectory(packagePath).Create();
            }
            var toolsPath = root.Combine("tools");
            var nugetToolPath = toolsPath.CombineWithFilePath("nuget.exe");
            if (!_fileSystem.Exist(toolsPath))
            {
                _fileSystem.GetDirectory(toolsPath).Create();
            }
            if (!_fileSystem.Exist(nugetToolPath))
            {
                DownloadNuget(nugetToolPath);
            }

            if (_fileSystem.Exist(packagePath.Combine(package.PackageName)))
            {
                return packagePath.Combine(package.PackageName);
            }

            var arguments = $"install \"{package.PackageName}\" -Source \"https://api.nuget.org/v3/index.json\" -PreRelease -ExcludeVersion -OutputDirectory \"{packagePath.FullPath}\"{(!string.IsNullOrWhiteSpace(package.Version) ? $" -Version \"{package.Version}\"" : string.Empty)}";
            var fallbackarguments = $"install \"{package.PackageName}\" -Source \"https://api.nuget.org/v3/index.json\" -Source \"https://www.myget.org/F/xunit/api/v3/index.json\" -Source \"https://dotnet.myget.org/F/dotnet-core/api/v3/index.json\" -Source \"https://dotnet.myget.org/F/cli-deps/api/v3/index.json\" -PreRelease -ExcludeVersion -OutputDirectory \"{packagePath.FullPath}\"{(!string.IsNullOrWhiteSpace(package.Version) ? $" -Version \"{package.Version}\"" : string.Empty)}";

            ExecuteNuget(nugetToolPath, arguments, fallbackarguments, 3);

            // Return the installation directory.
            return packagePath.Combine(package.PackageName);
        }