Improve util::reflective::pomXml

src/org/rascalmpl/library/util/Reflective.rsc

@@ -23,6 +23,7 @@ import Message;
 
 import lang::rascal::\syntax::Rascal;
 import lang::manifest::IO;
+import lang::json::IO;
 
 @synopsis{Returns the system-dependent line separator string}
 @javaClass{org.rascalmpl.library.util.Reflective}
@@ -530,20 +531,38 @@ private str pomXml(str name, str group, str version)
     '      \<plugin\>
     '        \<groupId\>org.rascalmpl\</groupId\>
     '        \<artifactId\>rascal-maven-plugin\</artifactId\>
-    '        \<version\>0.8.2\</version\>
+    '        \<version\><getRascalMavenPluginVersion()>\</version\>
     '        \<configuration\>
     '          \<errorsAsWarnings\>true\</errorsAsWarnings\>
     '          \<bin\>${project.build.outputDirectory}\</bin\>
     '          \<srcs\>
     '            \<src\>${project.basedir}/src/main/rascal\</src\>
     '          \</srcs\>
     '        \</configuration\>
+    '        \<executions\>
+    '          \<execution\>
+    '            \<id\>default-compile\</id\>
+    '            \<phase\>compile\</phase\>
+    '            \<goals\>
+    '              \<goal\>compile\</goal\>
+    '            \</goals\>
+    '          \</execution\>
+    '        \</executions\>
     '      \</plugin\>
     '    \</plugins\>
     '  \</build\>
     '\</project\>
     ";
 
+private str getRascalMavenPluginVersion() {
+    try { // Best-effort attempt to get the latest version
+        if (str s := readJSON(#map[str, value], |https://api.github.com/repos/usethesource/rascal-maven-plugin/releases/latest|)["tag_name"], /v<version:[0-9]+\.[0-9]+\.[0-9]+>/ := s) {
+            return version;
+        }
+    } catch _: ;
+    return "0.31.0"; // 2 March 2026
+}
+
 private str vscodeSettings() = "{
                                '    \"search.exclude\": {
                                '        \"/target/\": true,