assertFalse(DefaultMirrorSelector.matchPattern(getRepo("c"), "!a,!c"));
        assertFalse(DefaultMirrorSelector.matchPattern(getRepo("d"), "!a,!c*"));
    }

    @Test
    void testPatternsWithExternal() {
        assertTrue(DefaultMirrorSelector.matchPattern(getRepo("a", "http://localhost"), "*"));
        assertFalse(DefaultMirrorSelector.matchPattern(getRepo("a", "http://localhost"), "external:*"));