include only published projects into BOM (#2118)

Author: bsideup

bom/build.gradle

@@ -9,11 +9,14 @@ publishing {
             pom.withXml {
                 def dependencyManagementNode = asNode().appendNode('dependencyManagement').appendNode('dependencies')
 
-                rootProject.subprojects.findAll { it != project && !it.path.startsWith(":docs:") && it != project(":docs") }.each { subProject ->
-                    dependencyManagementNode.appendNode('dependency').with {
-                        appendNode('groupId', subProject.group)
-                        appendNode('artifactId',subProject.name)
-                        appendNode('version', subProject.version)
+                def bomProject = project
+                rootProject.subprojects.each { subProject ->
+                    if (subProject != bomProject && subProject.plugins.findPlugin("maven-publish")) {
+                        dependencyManagementNode.appendNode('dependency').with {
+                            appendNode('groupId', subProject.group)
+                            appendNode('artifactId',subProject.name)
+                            appendNode('version', subProject.version)
+                        }
                     }
                 }
             }