Core platform applied through recommender plugin (when using feature …

…flag) are not propagated into consumable apiElements and runtimeElements. It means they are not published as dependendencies

src/main/groovy/netflix/nebula/dependency/recommender/ExtendRecommenderConfigurationAction.java

@@ -23,7 +23,7 @@ public ExtendRecommenderConfigurationAction(Configuration bom, Project project,
 
     @Override
     public void execute(Configuration configuration) {
-        if (container.getExcludedConfigurations().contains(configuration.getName()) || isCopyOfBomConfiguration(configuration)) {
+        if (!isClasspathConfiguration(configuration) || container.getExcludedConfigurations().contains(configuration.getName()) || isCopyOfBomConfiguration(configuration)) {
             return;
         }
 
@@ -41,6 +41,11 @@ public void execute(Configuration configuration) {
         }
     }
 
+    //we want to apply recommendation only into final resolvable configurations like `compileClasspath` or `runtimeClasspath` across all source sets.
+    private boolean isClasspathConfiguration(Configuration configuration) {
+        return configuration.getName().endsWith("Classpath") || configuration.getName().equals("annotationProcessor");
+    }
+
     //this action creates clones of bom configuration from root and gradle will also apply the action to them which would
     //lead to another copy of copy and so on creating infinite loop. We won't apply the action when configuration is copy from bom configuration.
     private boolean isCopyOfBomConfiguration(Configuration configuration) {

src/test/groovy/netflix/nebula/dependency/recommender/DependencyRecommendationsPluginCompositeCoreBomSupportSpec.groovy

@@ -117,7 +117,7 @@ class DependencyRecommendationsPluginCompositeCoreBomSupportSpec extends Integra
         noExceptionThrown()
         results.standardOutput.contains 'Found project \'project :can-use-recommender-in-a-composite-composite:b\' as substitute for module \'example:b\'.'
         results.standardOutput.contains '+--- example:b:1.0.0 -> project :can-use-recommender-in-a-composite-composite:b'
-        results.standardOutput.contains '|    +--- project :can-use-recommender-in-a-composite-composite:a'
-        results.standardOutput.contains '|    |    +--- test.nebula:foo -> 1.0.0'
+        results.standardOutput.contains '|    \\--- project :can-use-recommender-in-a-composite-composite:a'
+        results.standardOutput.contains '|         \\--- test.nebula:foo -> 1.0.0'
     }
 }

src/test/groovy/netflix/nebula/dependency/recommender/DependencyRecommendationsPluginCoreBomSupportSpec.groovy

@@ -126,6 +126,55 @@ class DependencyRecommendationsPluginCoreBomSupportSpec extends IntegrationSpec
         result.standardOutput.contains("+--- test.nebula:app:9.0.0 -> 8.0.0")
     }
 
+    def 'platforms are not published as dependencies of modules'() {
+        buildFile << """\
+            apply plugin: 'nebula.dependency-recommender'
+            apply plugin: 'maven-publish'
+            apply plugin: 'java'
+            apply plugin: 'war'
+
+            repositories {
+                maven { url '${repo.root.absoluteFile.toURI()}' }
+                ${generator.mavenRepositoryBlock}
+            }
+
+            dependencyRecommendations {
+                mavenBom module: 'test.nebula.bom:testbom:latest.release'
+            }
+
+            dependencies {
+                implementation 'test.nebula:moa'
+            }
+
+             publishing {
+                 publications {
+                     maven(MavenPublication) {
+                         from components.java
+                         versionMapping {
+                             usage('java-api') {
+                                 fromResolutionOf('runtimeClasspath')
+                             }
+                             usage('java-runtime') {
+                                 fromResolutionResult()
+                             }
+                         }
+                     }
+                 }
+             }
+            """.stripIndent()
+
+        when:
+        runTasksSuccessfully('generateMetadataFileForMavenPublication', 'generatePomFileForMavenPublication')
+
+        then:
+        def gradleMetadata = new File(projectDir, "build/publications/maven/module.json").text
+        def pom = new File(projectDir, "build/publications/maven/pom-default.xml").text
+        ! gradleMetadata.contains('"group": "test.nebula.bom"')
+        ! gradleMetadata.contains('"module": "testbom"')
+        ! pom.contains('<groupId>test.nebula.bom</groupId>')
+        ! pom.contains('<artifactId>testbom</artifactId>')
+    }
+
     @Unroll
     def 'error when #type(#argType) used'() {
         given: