in src/main/java/org/apache/maven/resolver/internal/ant/types/RemoteRepository.java [234:243]
protected static void checkUpdates( String updates )
{
if ( !RepositoryPolicy.UPDATE_POLICY_ALWAYS.equals( updates )
&& !RepositoryPolicy.UPDATE_POLICY_DAILY.equals( updates )
&& !RepositoryPolicy.UPDATE_POLICY_NEVER.equals( updates )
&& !updates.startsWith( RepositoryPolicy.UPDATE_POLICY_INTERVAL ) )
{
throw new BuildException( "'" + updates + "' is not a permitted update policy" );
}
}