code: protected void getBundledPluginsFromProperty(final List<File> r) {
          String hplProperty = SystemProperties.getString("hudson.bundled.plugins");
          if (hplProperty != null) {
              for (String hplLocation : hplProperty.split(",")) {
                  File hpl = new File(hplLocation.trim());
                  if (hpl.exists()) {
                      r.add(hpl);
                  } else if (hpl.getName().contains("*")) {
                      try {
                          new DirScanner.Glob(hpl.getName(), null).scan(hpl.getParentFile(), new FileVisitor() {
                              @Override public void visit(File f, String relativePath) throws IOException {
                                  r.add(f);
                              }
                          });
                      } catch (IOException x) {
                          LOGGER.log(Level.WARNING, "could not expand " + hplLocation, x);
                      }
                  } else {
                      LOGGER.warning("bundled plugin " + hplLocation + " does not exist");
                  }
              }
          }
      }
docs: Lists up additional bundled plugins from the system property {@code hudson.bundled.plugins}.
  Since 1.480 glob syntax is supported.
  For use in the "mvn hudson-dev:run".
  TODO: maven-hpi-plugin should inject its own InitStrategy instead of having this in the core.