maartenc commented on code in PR #114:
URL: https://github.com/apache/ant-ivy/pull/114#discussion_r3422953631


##########
src/java/org/apache/ivy/plugins/parser/m2/PomModuleDescriptorWriter.java:
##########
@@ -342,8 +359,53 @@ private static void printExclusions(ExcludeRule[] 
exclusions, PrintWriter out, i
         out.println("</exclusions>");
     }
 
-    private static DependencyDescriptor[] getDependencies(ModuleDescriptor md,
-            PomWriterOptions options) {
+    private static void printOverrides(ModuleDescriptor md, PrintWriter out, 
int indent, boolean container) {
+        ModuleRules<DependencyDescriptorMediator> mr = 
md.getAllDependencyDescriptorMediators();
+        if (mr.getAllRules().isEmpty()) {
+            return;
+        }
+
+        if (container) {
+            indent(out, indent);
+            out.println("<dependencyManagement>");
+            indent(out, indent * 2);
+            out.println("<dependencies>");
+        } else {
+            indent /= 2; // <dependencies> is second-level child of <project>
+        }
+
+        for (Map.Entry<MapMatcher, DependencyDescriptorMediator> entry : 
mr.getAllRules().entrySet()) {
+            if (entry.getValue() instanceof 
OverrideDependencyDescriptorMediator) {
+                String artifactId = 
entry.getKey().getAttributes().get("module");
+                String groupId = 
entry.getKey().getAttributes().get("organisation");
+                String version = ((OverrideDependencyDescriptorMediator) 
entry.getValue()).getVersion();
+
+                if (artifactId == null || artifactId.equals("*") || groupId == 
null || groupId.equals("*")) {
+                    continue;
+                }

Review Comment:
   Maybe we should filter first. If all overrides contain a wildcard, then we 
also don't need to add  an empty <dependencyManagement>/<dependencies> section.



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