/wro4j-maven-plugin/src/main/java/ro/isdc/wro/maven/plugin/AbstractWro4jMojo.java
if ( wroFile == null) {
if ( group != null ) {
return result; } private void persistResourceFingerprints(final List<String> groupNames) { final WroModelInspector modelInspector = new WroModelInspector(getModel()); for (final String groupName : groupNames) { final Group group = modelInspector.getGroupByName(groupName); <extra_id_0> for (final Resource resource : group.getResources()) { getResourceChangeHandler().remember(resource); } } } }