WIP 314 Fix Maven dependency on other modules

We must ensure that other modules from the Gradle tree are
not only built but also published to some internal repository.
The Maven based Plugin descriptor (and the helper descriptor)
needs to include all (transitive) dependencies of the Mojo.

htmlSanityCheck-maven-plugin/build.gradle

@@ -71,16 +71,18 @@ class CrossPlatformExec extends Exec {
 
 // This ensures that other HSC modules are published to ../build/maven-repo already (in particular core)
 generateMavenPlugin.configure {
-    List<Task> thisProjectsPublishTasks = getTasks().withType(PublishToMavenLocal).stream().collect(Collectors.toList())
-    mustRunAfter(rootProject.getAllTasks(true).values().stream()
-            .flatMap(Set::stream)
-            .filter(task -> task instanceof PublishToMavenLocal)
-            .filter(task -> !thisProjectsPublishTasks.contains(task))
-            .collect(Collectors.toList())
+    dependsOn(
+            project.configurations.implementation.dependencies.withType(ProjectDependency).collect { dep ->
+                project.rootProject.findProject(dep.dependencyProject.path).tasks
+            }.flatten().stream()
+                    .filter(task -> {
+                        logger.debug("Checking '${task.name}' of '${task.project}' with class '${task.class}'")
+                        task.name == 'publishMavenJavaPublicationToMyLocalRepositoryForFullIntegrationTestsRepository'
+                    })
+                    .collect(Collectors.toList())
     )
     onlyIf {
-        logger.debug("TaskGraph at generateMavenPlugin: " + gradle.taskGraph.getAllTasks().stream().map(Task::getName).collect(Collectors.toList()))
-        gradle.taskGraph.getAllTasks().stream().anyMatch(thisProjectsPublishTasks::contains)
+        gradle.taskGraph.getAllTasks().stream().anyMatch { task -> task.name == 'jar' }
     }
 }