Add launcher script

java_cup.spec

@@ -24,6 +24,10 @@ BuildRequires:  javapackages-local
 BuildRequires:  jflex
 BuildRequires:  java_cup >= 1:0.11a
 
+# Explicit javapackages-tools requires since scripts use
+# /usr/share/java-utils/java-functions
+Requires:       javapackages-tools
+
 
 %description
 java_cup is a LALR Parser Generator for Java
@@ -74,7 +78,11 @@ jar ufm dist/java-cup-%{pkg_version}-runtime.jar %{SOURCE4}
 
 %mvn_install -J dist/javadoc
 
+# wrapper script for direct execution
+%jpackage_script java_cup.Main "" "" java_cup cup true
+
 %files -f .mfiles
+%{_bindir}/cup
 %doc changelog.txt
 %license licence.txt