CLI jar now has the version number in the manifest as well as the

"-version" option.

changelog.html

@@ -55,7 +55,8 @@ Upcoming changes</a>
 <!-- Record your changes in the trunk here. -->
 <div id="trunk" style="display:none"><!--=TRUNK-BEGIN=-->
 <ul class=image>
-  <li class=>
+  <li class=rfe>
+    CLI jar now has the version number in the manifest as well as the "-version" option.
 </ul>
 </div><!--=TRUNK-END=-->
 

cli/src/filter/resources/jenkins/cli/jenkins-cli-version.properties

+version=${build.version}

cli/src/main/java/hudson/cli/CLI.java

@@ -62,6 +62,7 @@ import java.util.Arrays;
 import java.util.Collections;
 import java.util.List;
 import java.util.Locale;
+import java.util.Properties;
 import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Executors;
 import java.util.logging.Level;
@@ -256,6 +257,10 @@ public class CLI {
 
         while(!args.isEmpty()) {
             String head = args.get(0);
+            if (head.equals("-version")) {
+                System.out.println("Version: "+computeVersion());
+                return 0;
+            }
             if(head.equals("-s") && args.size()>=2) {
                 url = args.get(1);
                 args = args.subList(2,args.size());
@@ -328,6 +333,18 @@ public class CLI {
         }
     }
 
+    private static String computeVersion() {
+        Properties props = new Properties();
+        try {
+            InputStream is = CLI.class.getResourceAsStream("/jenkins/cli/jenkins-cli-version.properties");
+            if(is!=null)
+                props.load(is);
+        } catch (IOException e) {
+            e.printStackTrace(); // if the version properties is missing, that's OK.
+        }
+        return props.getProperty("version","?");
+    }
+
     /**
      * Loads RSA/DSA private key in a PEM format into {@link KeyPair}.
      */