From a000a040db90b6ba447afe3122965f508a2a4a35 Mon Sep 17 00:00:00 2001
From: Guillaume Nodet <gnodet@gmail.com>
Date: Wed, 11 Sep 2024 15:14:30 +0200
Subject: [PATCH] Track location

---
 .../impl/model/BuildModelTransformer.java     | 34 +++++++++++++------
 1 file changed, 24 insertions(+), 10 deletions(-)

diff --git a/maven-api-impl/src/main/java/org/apache/maven/internal/impl/model/BuildModelTransformer.java b/maven-api-impl/src/main/java/org/apache/maven/internal/impl/model/BuildModelTransformer.java
index abd91f2d92f3..ac6bcedbf998 100644
--- a/maven-api-impl/src/main/java/org/apache/maven/internal/impl/model/BuildModelTransformer.java
+++ b/maven-api-impl/src/main/java/org/apache/maven/internal/impl/model/BuildModelTransformer.java
@@ -30,6 +30,7 @@
 import org.apache.maven.api.di.Named;
 import org.apache.maven.api.di.Singleton;
 import org.apache.maven.api.model.Dependency;
+import org.apache.maven.api.model.InputLocation;
 import org.apache.maven.api.model.Model;
 import org.apache.maven.api.model.Parent;
 import org.apache.maven.api.services.ModelTransformer;
@@ -90,26 +91,39 @@ void handleReactorDependencies(ModelTransformerContext context, Model model, Pat
         List<Dependency> newDeps = new ArrayList<>();
         boolean modified = false;
         String groupId = model.getGroupId();
+        InputLocation groupIdLocation = model.getLocation("groupId");
         if (groupId == null) {
             groupId = model.getParent().getGroupId();
+            groupIdLocation = model.getParent().getLocation("groupId");
         }
         for (Dependency dep : model.getDependencies()) {
-            if (dep.getGroupId() == null) {
-                dep = dep.withGroupId(groupId);
-                modified = true;
+            Dependency.Builder depBuilder = null;
+            String depGroupId = dep.getGroupId();
+            if (depGroupId == null) {
+                depGroupId = groupId;
+                depBuilder = Dependency.newBuilder(dep).groupId(groupId).location("groupId", groupIdLocation);
             }
             if (dep.getVersion() == null) {
-                Model depModel = context.getRawModel(model.getPomFile(), dep.getGroupId(), dep.getArtifactId());
+                Model depModel = context.getRawModel(model.getPomFile(), depGroupId, dep.getArtifactId());
                 if (depModel != null) {
-                    String v = depModel.getVersion();
-                    if (v == null && depModel.getParent() != null) {
-                        v = depModel.getParent().getVersion();
+                    String version = depModel.getVersion();
+                    InputLocation versionLocation = depModel.getLocation("version");
+                    if (version == null && depModel.getParent() != null) {
+                        version = depModel.getParent().getVersion();
+                        versionLocation = depModel.getParent().getLocation("version");
+                    }
+                    if (depBuilder == null) {
+                        depBuilder = Dependency.newBuilder(dep);
                     }
-                    dep = dep.withVersion(v);
-                    modified = true;
+                    depBuilder.version(version).location("version", versionLocation);
                 }
             }
-            newDeps.add(dep);
+            if (depBuilder != null) {
+                newDeps.add(depBuilder.build());
+                modified = true;
+            } else {
+                newDeps.add(dep);
+            }
         }
         if (modified) {
             builder.dependencies(newDeps);