Claudenw commented on code in PR #433:
URL: https://github.com/apache/creadur-rat/pull/433#discussion_r2099478951


##########
apache-rat-core/src/main/java/org/apache/rat/config/exclusion/fileProcessors/GitIgnoreBuilder.java:
##########
@@ -53,6 +58,43 @@ public GitIgnoreBuilder() {
         super(IGNORE_FILE, COMMENT_PREFIX, true);
     }
 
+    private MatcherSet processGlobalIgnore(final Consumer<MatcherSet> 
matcherSetConsumer, final DocumentName root, final DocumentName 
globalGitIgnore) {
+        final MatcherSet.Builder matcherSetBuilder = new MatcherSet.Builder();
+        final List<String> iterable = new ArrayList<>();
+        ExclusionUtils.asIterator(globalGitIgnore.asFile(), commentFilter)
+                .map(entry -> modifyEntry(matcherSetConsumer, globalGitIgnore, 
entry).orElse(null))
+                .filter(Objects::nonNull)
+                .map(entry -> ExclusionUtils.qualifyPattern(root, entry))
+                .forEachRemaining(iterable::add);
+
+        Set<String> included = new HashSet<>();
+        Set<String> excluded = new HashSet<>();
+        MatcherSet.Builder.segregateList(excluded, included, iterable);
+        DocumentName displayName = DocumentName.builder(root).setName("global 
gitignore").build();
+        matcherSetBuilder.addExcluded(displayName, excluded);
+        matcherSetBuilder.addIncluded(displayName, included);
+        return matcherSetBuilder.build();
+    }
+
+    @Override
+    protected MatcherSet process(final Consumer<MatcherSet> 
matcherSetConsumer, final DocumentName root, final DocumentName documentName) {
+      if (root.equals(documentName.getBaseDocumentName())) {
+          Optional<File> globalGitIgnore = globalGitIgnore();
+          List<MatcherSet> matcherSets = new ArrayList<MatcherSet>();
+          matcherSets.add(super.process(matcherSetConsumer, root, 
documentName));
+          if (globalGitIgnore.isPresent()) {
+              LevelBuilder levelBuilder = getLevelBuilder(-1);

Review Comment:
   I still think that `-1` needs to be `Integer.MAX_VALUE`  You want it last in 
the list of levels so that when the list is iterated in the reverse order your 
ignore comes first.
   
   remember that if there are levels 0, 1, 2, 3 the rules are applied in 
reverse order (3, 2, 1, 0).



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