gnu: Add java-plexus-cli.

* gnu/packages/java.scm (java-plexus-cli): New variable.

gnu/packages/java.scm

@@ -3262,6 +3262,39 @@ (define (modello-single-mode file version mode)
 This component decrypts a string passed to it.")
     (license license:asl2.0)))
 
+(define-public java-plexus-cli
+  (package
+    (name "java-plexus-cli")
+    (version "1.7")
+    (source (origin
+              (method git-fetch)
+              (uri (git-reference
+                     (url "https://github.com/sonatype/plexus-cli")
+                     (commit "a776afa6bca84e5107bedb69440329cdb24ed645")))
+              (file-name (string-append name "-" version))
+              (sha256
+               (base32
+                "0xjrlay605rypv3zd7y24vlwf0039bil3n2cqw54r1ddpysq46vx"))))
+    (build-system ant-build-system)
+    (arguments
+     `(#:jar-name "plexus-cli.jar"
+       #:source-dir "src/main/java"
+       #:jdk ,icedtea-8
+       #:test-dir "src/test"))
+    (inputs
+     `(("java-commons-cli" ,java-commons-cli)
+       ("java-plexus-container-default" ,java-plexus-container-default)
+       ("java-plexus-classworlds" ,java-plexus-classworlds)))
+    (native-inputs
+     `(("java-plexus-utils" ,java-plexus-utils)
+       ("java-junit" ,java-junit)
+       ("java-guava" ,java-guava)))
+    (home-page "https://codehaus-plexus.github.io/plexus-cli")
+    (synopsis "CLI building library for plexus")
+    (description "This package is a library to help creating CLI around
+Plexus components.")
+    (license license:asl2.0)))
+
 (define-public java-sisu-build-api
   (package
     (name "java-sisu-build-api")