修复 ignore 未跳过默认策略的问题

tests/pages_core_test.go

@@ -88,6 +88,12 @@ ignore: .pages.yaml
 	server.AddFile("org1/repo1/gh-pages/.pages.yaml", `
 ignore: bad.*
 `)
+	data, _, err = server.OpenFile("https://org1.example.com/repo1/")
+	assert.NoError(t, err)
+	assert.Equal(t, "hello world", string(data))
 	_, resp, _ := server.OpenFile("https://org1.example.com/repo1/bad.html")
 	assert.Equal(t, 404, resp.StatusCode)
+	// 默认排除的内容
+	_, resp, _ = server.OpenFile("https://org1.example.com/repo1/.pages.yaml")
+	assert.Equal(t, 404, resp.StatusCode)
 }