Fix JVM args string when no arguments are provided

Author: pcastornii

weaverbird-assembly/weaverbird-assembly-maven-plugin/src/main/java/com/techsenger/weaverbird/assembly/maven/plugin/AssembleDistMojo.java

@@ -91,14 +91,14 @@ private void createOsScript(String modulePath, String ext, String jvmArgSep, Pat
         if (jvmArgs != null) {
             StringBuilder builder = new StringBuilder();
             for (var arg : jvmArgs) {
-                if (builder.length() > 0) {
-                    builder.append("\n");
-                }
+                builder.append("\n");
                 builder.append("    ");
                 builder.append(arg);
                 builder.append(jvmArgSep);
             }
             properties.put("jvmArgs", builder.toString());
+        } else {
+            properties.put("jvmArgs", "");
         }
         var shContent = String.join(System.lineSeparator(), readFile("framework" + ext));
         shContent = interpolate(shContent, properties);

weaverbird-assembly/weaverbird-assembly-maven-plugin/src/main/resources/com/techsenger/weaverbird/assembly/maven/plugin/framework.bat

@@ -23,8 +23,7 @@ java ^
     -Djava.util.logging.manager=org.apache.logging.log4j.jul.LogManager ^
     -Dorg.jboss.logging.provider=log4j ^
     -Djava.io.tmpdir=%ROOT_PATH%\temp ^
-    -Dfile.encoding=UTF-8 ^
-${jvmArgs}
+    -Dfile.encoding=UTF-8 ^${jvmArgs}
     --add-modules ALL-DEFAULT ^
     --add-modules org.apache.logging.log4j,org.apache.logging.log4j.jul ^
     --add-opens java.base/java.time=com.techsenger.weaverbird.core ^

weaverbird-assembly/weaverbird-assembly-maven-plugin/src/main/resources/com/techsenger/weaverbird/assembly/maven/plugin/framework.sh

@@ -24,8 +24,7 @@ java \
     -Djava.util.logging.manager=org.apache.logging.log4j.jul.LogManager \
     -Dorg.jboss.logging.provider=log4j \
     -Djava.io.tmpdir="$ROOT_PATH/temp" \
-    -Dfile.encoding=UTF-8 \
-${jvmArgs}
+    -Dfile.encoding=UTF-8 \${jvmArgs}
     --add-modules ALL-DEFAULT \
     --add-modules org.apache.logging.log4j,org.apache.logging.log4j.jul \
     --add-opens java.base/java.time=com.techsenger.weaverbird.core \