Followup #278 Assert that quarkus-extension.json exists for each exte…

…nsion

build/scripts/validate-extension-metadata.groovy

@@ -0,0 +1,32 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import groovy.io.FileType
+
+final String quarkusExtensionJsonRelPath = 'runtime/src/main/resources/META-INF/quarkus-extension.json'
+final List<String> missingExtensionJsonFiles = []
+project.basedir.eachFile FileType.DIRECTORIES, { extensionParentDir ->
+    if (new File(extensionParentDir, 'runtime/pom.xml').exists()
+        && !new File(extensionParentDir, quarkusExtensionJsonRelPath).exists()) {
+        missingExtensionJsonFiles.add(extensionParentDir.getName() + '/' + quarkusExtensionJsonRelPath)
+    }
+}
+
+if (!missingExtensionJsonFiles.isEmpty()) {
+    throw new RuntimeException("\nMissing quarkus-extension.json files:\n\n    "
+            + missingExtensionJsonFiles.join("\n    "))
+}

extensions/pom.xml

@@ -71,6 +71,23 @@
 
     <build>
         <plugins>
+            <plugin>
+                <groupId>org.codehaus.gmaven</groupId>
+                <artifactId>groovy-maven-plugin</artifactId>
+                <executions>
+                    <execution>
+                        <id>validate-extension-metadata</id>
+                        <inherited>false</inherited>
+                        <goals>
+                            <goal>execute</goal>
+                        </goals>
+                        <phase>validate</phase>
+                        <configuration>
+                            <source>file:///${project.basedir}/../build/scripts/validate-extension-metadata.groovy</source>
+                        </configuration>
+                    </execution>
+                </executions>
+            </plugin>
             <plugin>
                 <groupId>io.quarkus</groupId>
                 <artifactId>quarkus-maven-plugin</artifactId>