private IEnumerable<string> GetNuspecPaths()
{
// Check for a nuspec in the project file
yield return GetContentOrNone(file => Path.GetExtension(file).Equals(Constants.ManifestExtension, StringComparison.OrdinalIgnoreCase));
// Check for a nuspec named after the project
yield return Path.Combine(_project.DirectoryPath, Path.GetFileNameWithoutExtension(_project.FullPath) + Constants.ManifestExtension);
}