bug#26803: [PATCH 03/36] guix: Add java-utils.

[Roel Janssen <roel@gnu.org>]

Ricardo Wurmus writes:

> From: Hartmut Goebel <h.goebel@crazy-compilers.com>
>
> * guix/build/java-utils.scm: New file.
> * guix/build-system/ant.scm: Use it.
> * Makefile.am (MODULES): Add it.
>
> Co-authored-by: Ricardo Wurmus <rekado@elephly.net>
> ---
>  Makefile.am               |  1 +
>  guix/build-system/ant.scm |  2 ++
>  guix/build/java-utils.scm | 55 +++++++++++++++++++++++++++++++++++++++++++++++
>  3 files changed, 58 insertions(+)
>  create mode 100644 guix/build/java-utils.scm
>
> diff --git a/Makefile.am b/Makefile.am
> index 8fe9e350c..b09180ba2 100644
> --- a/Makefile.am
> +++ b/Makefile.am
> @@ -124,6 +124,7 @@ MODULES =					\
>    guix/build/syscalls.scm                       \
>    guix/build/gremlin.scm			\
>    guix/build/emacs-utils.scm			\
> +  guix/build/java-utils.scm			\
>    guix/build/lisp-utils.scm			\
>    guix/build/graft.scm				\
>    guix/build/bournish.scm			\
> diff --git a/guix/build-system/ant.scm b/guix/build-system/ant.scm
> index bf2f3b411..228b4e60d 100644
> --- a/guix/build-system/ant.scm
> +++ b/guix/build-system/ant.scm
> @@ -39,6 +39,7 @@
>  (define %ant-build-system-modules
>    ;; Build-side modules imported by default.
>    `((guix build ant-build-system)
> +    (guix build java-utils)
>      (guix build syscalls)
>      ,@%gnu-build-system-modules))
>  
> @@ -108,6 +109,7 @@
>                      (guile #f)
>                      (imported-modules %ant-build-system-modules)
>                      (modules '((guix build ant-build-system)
> +                               (guix build java-utils)
>                                 (guix build utils))))
>    "Build SOURCE with INPUTS."
>    (define builder
> diff --git a/guix/build/java-utils.scm b/guix/build/java-utils.scm
> new file mode 100644
> index 000000000..402d377bf
> --- /dev/null
> +++ b/guix/build/java-utils.scm
> @@ -0,0 +1,55 @@
> +;;; GNU Guix --- Functional package management for GNU
> +;;; Copyright © 2016 Hartmut Goebel <h.goebel@crazy-compilers.com>
> +;;; Copyright © 2016 Ricardo Wurmus <rekado@elephly.net>
> +;;;
> +;;; This file is part of GNU Guix.
> +;;;
> +;;; GNU Guix is free software; you can redistribute it and/or modify it
> +;;; under the terms of the GNU General Public License as published by
> +;;; the Free Software Foundation; either version 3 of the License, or (at
> +;;; your option) any later version.
> +;;;
> +;;; GNU Guix is distributed in the hope that it will be useful, but
> +;;; WITHOUT ANY WARRANTY; without even the implied warranty of
> +;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
> +;;; GNU General Public License for more details.
> +;;;
> +;;; You should have received a copy of the GNU General Public License
> +;;; along with GNU Guix.  If not, see <http://www.gnu.org/licenses/>.
> +
> +(define-module (guix build java-utils)
> +  #:use-module (guix build utils)
> +  #:export (ant-build-javadoc
> +            install-jars
> +            install-javadoc))
> +
> +;; Copied from haskell-build-system.scm
> +(define (package-name-version store-dir)
> +  "Given a store directory STORE-DIR return 'name-version' of the package."
> +  (let* ((base (basename store-dir)))
> +    (string-drop base (+ 1 (string-index base #\-)))))
> +
> +(define* (ant-build-javadoc #:key (target "javadoc") (make-flags '())
> +                            #:allow-other-keys)
> +  (zero? (apply system* `("ant" ,target ,@make-flags))))
> +
> +(define* (install-jars jar-directory)
> +  "Install jar files from JAR-DIRECTORY to the default target directory.  This

(nitpick
  "jar" or "JAR")

> +is used in case the build.xml does not include an install target."
> +  (lambda* (#:key outputs #:allow-other-keys)
> +    (let ((share (string-append (assoc-ref outputs "out")
> +                                "/share/java")))
> +      (for-each (lambda (f) (install-file f share))
> +                (find-files jar-directory "\\.jar$"))
> +      #t)))
> +
> +(define* (install-javadoc apidoc-directory)
> +  "Install the APIDOC-DIRECTORY to the target directory.  This is used to
> +install javadocs when this is not done by the install target."
> +  (lambda* (#:key outputs #:allow-other-keys)
> +    (let* ((out (assoc-ref outputs "out"))
> +           (docs (string-append (or (assoc-ref outputs "doc") out)
> +                                "/share/doc/" (package-name-version out) "/")))
> +      (mkdir-p docs)
> +      (copy-recursively apidoc-directory docs)
> +      #t)))

(nitpick
  "javadocs" or "Javadocs")

Either way, LGTM!

Kind regards,
Roel Janssen