I don't java, so I haven't tried it out, so my comments are mostly
cosmetic on the package definition.

On Mon, Oct 24, 2016 at 04:12:25PM +0300, Theodoros Foradis wrote:
> +
> +(define-public plantuml
> +  (package
> +    (name "plantuml")
> +    (version "8048")
> +    (source (origin
> +              (method url-fetch)
> +              (uri (string-append
> +                    "https://downloads.sourceforge.net/project/plantuml/plantuml-"
> +                    version ".tar.gz"))

this should be of the mirror://sourceforge type

> +              (sha256
> +               (base32
> +                "1vipxd6p7isb1k1qqh4hrpfcj27hx1nll2yp0rfwpvps1w2d936i"))))
> +    (build-system ant-build-system)
> +    (arguments
> +     `(#:tests? #f ; no tests
> +       #:build-target "dist"
> +       #:phases
> +       (modify-phases %standard-phases
> +         (add-before 'build 'delete-extra-from-cp
> +                     (lambda _
> +                       (substitute* "build.xml"
> +                         (("1.6") "1.7"))
> +                       (substitute* "build.xml"
> +                         (("<attribute name=\"Class-Path\"") "<!--"))
> +                       (substitute* "build.xml"
> +                         (("j2v8_macosx_x86_64-3.1.7.jar\" />") "-->"))))

                return #t
                also, since they're all for the same set (build.xml),
                you can take out the duplicate substitute* lines

> +         (add-before 'install 'gen-install
> +                  (lambda* (#:key outputs #:allow-other-keys)
> +                    (mkdir-p "build/jar")
> +                    (system* "mv" "plantuml.jar" "build/jar")
> +                    ((@@ (guix build ant-build-system) default-build.xml)
> +                     "plantuml.jar"
> +                     (string-append (assoc-ref outputs "out")
> +                                    "/share/java"))))
> +         (add-after 'install 'make-wrapper
> +                    (lambda* (#:key inputs outputs #:allow-other-keys)
> +                      (let* ((out (assoc-ref outputs "out"))
> +                             (wrapper (string-append out "/bin/plantuml")))
> +                        (mkdir-p (string-append out "/bin"))
> +                        (with-output-to-file wrapper
> +                          (lambda _
> +                            (display
> +                             (string-append
> +                              "#!" (assoc-ref inputs "bash") "/bin/sh\n\n"
> +                              (assoc-ref inputs "jre") "/bin/java -jar "
> +                              out "/share/java/plantuml.jar \"$@\"\n"))))
> +                        (chmod wrapper #o555)))))))
> +    (inputs
> +     `(("graphviz" ,graphviz)
> +       ("bash" ,bash)
> +       ("jre" ,icedtea "out")))
> +    (home-page "http://plantuml.com/")
> +    (synopsis "Draw UML diagrams from simple textual description")
> +    (description
> +     "Plantuml is a tool to generate sequence, usecase, class, activity,
> +component, state, deployment and object UML diagrams, using a simple and
> +human readable text description.  Contains salt, a tool that can design simple
> +graphical interfaces.")
> +    (license license:gpl3+)))
> -- 
> 2.10.1
> 
> 

-- 
Efraim Flashner   <efraim@flashner.co.il>   אפרים פלשנר
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