public static bool Exists(this IPackageRepository repository, string packageId, SemanticVersion version)
{
IPackageLookup packageLookup = repository as IPackageLookup;
if ((packageLookup != null) && !String.IsNullOrEmpty(packageId) && (version != null))
{
return(packageLookup.Exists(packageId, version));
}
return(repository.FindPackage(packageId, version) != null);
}
/// <summary>
/// Checks whether a package exists in the wrapped <see cref="IPackageRegistry"/> or <see cref="IPackageLookup"/>.
/// </summary>
/// <returns>True, if found; False, otherwise.</returns>
public bool Exists(string packageId, SemanticVersion version)
{
return(_packageRegistry.Exists(packageId, version) || _packageLookup.Exists(packageId, version));
}
public static bool Exists(this IPackageRepository repository, string packageId, SemanticVersion version)
{
IPackageLookup lookup = repository as IPackageLookup;
return(((lookup == null) || (string.IsNullOrEmpty(packageId) || (version == null))) ? (repository.FindPackage(packageId, version) != null) : lookup.Exists(packageId, version));
}