anchor.diff:  
   [source,shell]
   ----
  -clj -X:build jar :env :dev
  +clj -T:build jar :env :dev
   ----
   
   The kv params are passed to the `jar` function.
  
positive.code: [source,clojure]
  ----
  (defn all [_]
    (doto (clean nil) (prep nil) (uber nil)))
  ----
  
  [source,clojure]
  
negative.code:                  :target-dir class-dir})
      (b/jar {:class-dir class-dir
              :jar-file jar-file})
      params))
  ----
  
  The other aspects of deps.edn and invocation remain the same. 
  