From 63e4e5fac646766d8e574e2e9a539e03f54fd87c Mon Sep 17 00:00:00 2001
From: Trygve Laugstøl <trygvis@inamo.no>
Date: Mon, 25 Jan 2021 22:05:10 +0100
Subject: wip

---
 module/ri-engine/pom.xml                           | 69 ++++++++++++++--------
 .../main/java/io/trygvis/rules/engine/Engine.java  |  2 +
 .../io/trygvis/rules/engine/cli/RunCommand.java    |  6 +-
 3 files changed, 48 insertions(+), 29 deletions(-)

diff --git a/module/ri-engine/pom.xml b/module/ri-engine/pom.xml
index 97fee1c..d17f83e 100644
--- a/module/ri-engine/pom.xml
+++ b/module/ri-engine/pom.xml
@@ -3,6 +3,9 @@
          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
   <modelVersion>4.0.0</modelVersion>
+  <properties>
+    <main-class>io.trygvis.rules.engine.Main</main-class>
+  </properties>
 
   <parent>
     <groupId>io.trygvis.rules-sandbox</groupId>
@@ -34,22 +37,6 @@
       <groupId>org.kie</groupId>
       <artifactId>kie-ci</artifactId>
     </dependency>
-    <!--
-    <dependency>
-      <groupId>org.drools</groupId>
-      <artifactId>drools-mvel</artifactId>
-      <exclusions>
-        <exclusion>
-          <groupId>org.kie</groupId>
-          <artifactId>kie-api</artifactId>
-        </exclusion>
-        <exclusion>
-          <groupId>org.kie</groupId>
-          <artifactId>kie-internal</artifactId>
-        </exclusion>
-      </exclusions>
-    </dependency>
-    -->
 
     <dependency>
       <groupId>ch.qos.logback</groupId>
@@ -115,16 +102,21 @@
       </plugin>
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
-        <artifactId>maven-dependency-plugin</artifactId>
+        <artifactId>maven-shade-plugin</artifactId>
+        <version>3.2.4</version>
         <executions>
           <execution>
-            <id>copy-dependencies</id>
-            <phase>prepare-package</phase>
+            <phase>package</phase>
             <goals>
-              <goal>copy-dependencies</goal>
+              <goal>shade</goal>
             </goals>
             <configuration>
-              <outputDirectory>${project.build.directory}/lib</outputDirectory>
+              <transformers>
+                <transformer implementation="org.apache.maven.plugins.shade.resource.AppendingTransformer">
+                  <resource>META-INF/kie.conf</resource>
+                </transformer>
+              </transformers>
+              <outputFile>${project.build.directory}/${project.artifactId}-${project.version}-fat.jar</outputFile>
             </configuration>
           </execution>
         </executions>
@@ -136,13 +128,42 @@
         <configuration>
           <archive>
             <manifest>
-              <addClasspath>true</addClasspath>
-              <classpathPrefix>lib/</classpathPrefix>
-              <mainClass>io.trygvis.rules.engine.Main</mainClass>
+              <mainClass>${main-class}</mainClass>
             </manifest>
           </archive>
         </configuration>
       </plugin>
+
+      <!-- TODO: attach generated script to build -->
+      <plugin>
+        <groupId>org.codehaus.mojo</groupId>
+        <artifactId>exec-maven-plugin</artifactId>
+        <version>1.6.0</version>
+        <executions>
+          <execution>
+            <id>generate-autocompletion-script</id>
+            <phase>package</phase>
+            <goals>
+              <!-- The java goal doesn't work here as maven itself would have to run with enable-preview -->
+              <goal>exec</goal>
+            </goals>
+          </execution>
+        </executions>
+        <configuration>
+          <executable>java</executable>
+          <arguments>
+            <argument>-Dpicocli.autocomplete.systemExitOnError</argument>
+            <argument>--enable-preview</argument>
+            <argument>-cp</argument>
+            <classpath/>
+            <argument>picocli.AutoComplete</argument>
+            <argument>--force</argument>
+            <argument>--completionScript</argument>
+            <argument>${project.build.directory}/engine_completion.sh</argument>
+            <argument>${main-class}</argument>
+          </arguments>
+        </configuration>
+      </plugin>
     </plugins>
   </build>
 </project>
diff --git a/module/ri-engine/src/main/java/io/trygvis/rules/engine/Engine.java b/module/ri-engine/src/main/java/io/trygvis/rules/engine/Engine.java
index 3db1625..e5b9606 100644
--- a/module/ri-engine/src/main/java/io/trygvis/rules/engine/Engine.java
+++ b/module/ri-engine/src/main/java/io/trygvis/rules/engine/Engine.java
@@ -26,6 +26,8 @@ public class Engine implements Closeable {
 
         var services = KieServices.Factory.get();
 
+        logger.info("services = {}", services);
+
         ReleaseId releaseId = null;
         for (File path : (modules == null ? new File[0] : modules)) {
             logger.info("New KieBuilder: {}", path);
diff --git a/module/ri-engine/src/main/java/io/trygvis/rules/engine/cli/RunCommand.java b/module/ri-engine/src/main/java/io/trygvis/rules/engine/cli/RunCommand.java
index 345d8b8..2b016f2 100644
--- a/module/ri-engine/src/main/java/io/trygvis/rules/engine/cli/RunCommand.java
+++ b/module/ri-engine/src/main/java/io/trygvis/rules/engine/cli/RunCommand.java
@@ -26,12 +26,11 @@ public class RunCommand implements Callable<Integer> {
     @Option(names = {"--agenda-groups"})
     public String[] agendaGroups;
 
-    @Option(names = {"--modules"}, split = ",")
+    @Option(names = {"--modules"}, split = ",", arity = "1..*")
     public File[] modules;
 
     @Override
     public Integer call() throws Exception {
-        System.out.println("RunCommand.call");
 
         if (agendaGroups == null || agendaGroups.length == 0) {
             agendaGroups = new String[]{"init", "generate"};
@@ -45,11 +44,8 @@ public class RunCommand implements Callable<Integer> {
                             o.getClass().getSimpleName().contains("Ipv4Cidr") ||
                             o.getClass().getSimpleName().contains("Ipv4Address")
             );
-            System.out.println("RunCommand.call");
         }
 
-        System.out.println("RunCommand.call");
-
         return 0;
     }
 }
-- 
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