Make sure the current project location isn't overridden my other modules

with the same groupId and artifactId

independent-projects/bootstrap/maven-resolver/src/main/java/io/quarkus/bootstrap/resolver/maven/workspace/WorkspaceLoader.java

@@ -186,7 +186,6 @@ private void loadModule(RawModule rawModule, List<RawModule> newModules) {
         if (rawModule.model == null) {
             return;
         }
-        newModules.add(rawModule);
 
         var added = loadedModules.putIfAbsent(
                 new GAV(ModelUtils.getGroupId(rawModule.model), rawModule.model.getArtifactId(),
@@ -195,6 +194,8 @@ private void loadModule(RawModule rawModule, List<RawModule> newModules) {
         if (added != null) {
             return;
         }
+        newModules.add(rawModule);
+
         for (var module : rawModule.model.getModules()) {
             queueModule(rawModule.model.getProjectDirectory().toPath().resolve(module));
         }

independent-projects/bootstrap/maven-resolver/src/test/java/io/quarkus/bootstrap/workspace/test/LocalWorkspaceDiscoveryTest.java

@@ -3,6 +3,7 @@
  */
 package io.quarkus.bootstrap.workspace.test;
 
+import static org.assertj.core.api.Assertions.assertThat;
 import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.junit.jupiter.api.Assertions.assertNotNull;
 import static org.junit.jupiter.api.Assertions.assertNull;
@@ -20,7 +21,6 @@
 
 import org.apache.maven.model.Dependency;
 import org.apache.maven.model.Parent;
-import org.assertj.core.api.Assertions;
 import org.eclipse.aether.artifact.DefaultArtifact;
 import org.junit.jupiter.api.AfterAll;
 import org.junit.jupiter.api.AfterEach;
@@ -124,6 +124,30 @@ public static void cleanup() {
         IoUtils.recursiveDelete(workDir);
     }
 
+    /**
+     * This test is making sure the current module isn't overridden by another module
+     * from the workspace that happens to have the same group and artifact IDs
+     *
+     * @throws Exception
+     */
+    @Test
+    public void workspaceWithDuplicateModuleGroupIdAndArtifactId() throws Exception {
+        final URL moduleUrl = Thread.currentThread().getContextClassLoader()
+                .getResource("duplicate-ga/test/case");
+        assertNotNull(moduleUrl);
+        final Path moduleDir = Path.of(moduleUrl.toURI());
+        assertNotNull(moduleUrl);
+
+        final LocalWorkspace ws = LocalProject.loadWorkspace(moduleDir).getWorkspace();
+
+        LocalProject project = ws.getProject("org.acme", "acme-lib");
+        assertNotNull(project);
+        assertThat(project.getDir()).isEqualTo(moduleDir);
+
+        assertNotNull(ws.getProject("org.acme", "acme-parent"));
+        assertEquals(2, ws.getProjects().size());
+    }
+
     @Test
     public void moduleWithDifferentParentPomRawModel() throws Exception {
         final URL moduleUrl = Thread.currentThread().getContextClassLoader()
@@ -716,15 +740,15 @@ private void testMavenCiFriendlyVersion(String placeholder, String testResourceD
         assertEquals(new File(rootPomUrl.toURI()), root);
 
         final WorkspaceModule wsModule = module1.toWorkspaceModule();
-        Assertions.assertThat(wsModule.getModuleDir()).isEqualTo(module1Dir.toFile());
-        Assertions.assertThat(wsModule.getBuildDir()).isEqualTo(module1Dir.resolve("target").toFile());
+        assertThat(wsModule.getModuleDir()).isEqualTo(module1Dir.toFile());
+        assertThat(wsModule.getBuildDir()).isEqualTo(module1Dir.resolve("target").toFile());
         SourceDir src = wsModule.getMainSources().getResourceDirs().iterator().next();
         PathTree sourceTree = src.getSourceTree();
-        Assertions.assertThat(sourceTree).isNotNull();
+        assertThat(sourceTree).isNotNull();
         Collection<Path> roots = sourceTree.getRoots();
-        Assertions.assertThat(roots).hasSize(1);
-        Assertions.assertThat(roots.iterator().next()).isEqualTo(module1Dir.resolve("build"));
-        Assertions.assertThat(src.getOutputDir()).isEqualTo(module1Dir.resolve("target/classes/META-INF/resources"));
+        assertThat(roots).hasSize(1);
+        assertThat(roots.iterator().next()).isEqualTo(module1Dir.resolve("build"));
+        assertThat(src.getOutputDir()).isEqualTo(module1Dir.resolve("target/classes/META-INF/resources"));
     }
 
     private void assertCompleteWorkspace(final LocalProject project) {

independent-projects/bootstrap/maven-resolver/src/test/resources/duplicate-ga/module/pom.xml

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project>
+    <modelVersion>4.0.0</modelVersion>
+    <parent>
+        <groupId>org.acme</groupId>
+        <artifactId>acme-parent</artifactId>
+        <version>1.0-SNAPSHOT</version>
+    </parent>
+    <artifactId>acme-lib</artifactId>
+</project>

independent-projects/bootstrap/maven-resolver/src/test/resources/duplicate-ga/pom.xml

@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project>
+    <modelVersion>4.0.0</modelVersion>
+
+    <groupId>org.acme</groupId>
+    <artifactId>acme-parent</artifactId>
+    <version>1.0-SNAPSHOT</version>
+    <packaging>pom</packaging>
+
+    <profiles>
+        <profile>
+            <id>extra-module</id>
+            <modules>
+                <module>module</module>
+            </modules>
+        </profile>
+    </profiles>
+</project>

independent-projects/bootstrap/maven-resolver/src/test/resources/duplicate-ga/test/case/pom.xml

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project>
+    <modelVersion>4.0.0</modelVersion>
+    <parent>
+        <groupId>org.acme</groupId>
+        <artifactId>acme-parent</artifactId>
+        <version>1.0-SNAPSHOT</version>
+        <relativePath>../..</relativePath>
+    </parent>
+    <artifactId>acme-lib</artifactId>
+</project>