;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2014, 2015 Ludovic Courtès <ludo@gnu.org>
;;;
;;; 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 (gnu packages dictionaries)
  #:use-module (guix licenses)
  #:use-module (guix packages)
  #:use-module (guix download)
  #:use-module (guix build-system trivial)
  #:use-module (gnu packages base)
  #:use-module (gnu packages texinfo)
  #:use-module (gnu packages compression))

(define-public vera
  (package
    (name "vera")
    (version "1.22")
    (source (origin
              (method url-fetch)
              (uri (string-append "mirror://gnu/vera/vera-" version
                                  ".tar.gz"))
              (sha256
               (base32
                "1anx6ikwlkg7bn3c5a8xxrp33bvhfgxmncvnqbn2fp1hnbhqh5i7"))))
    (build-system trivial-build-system)
    (arguments
     `(#:builder (begin
                   (use-modules (guix build utils))

                   (let* ((out    (assoc-ref %outputs "out"))
                          (info   (string-append out "/share/info"))
                          (html   (string-append out "/share/html"))
                          (source (assoc-ref %build-inputs "source"))
                          (tar    (assoc-ref %build-inputs "tar"))
                          (gz     (assoc-ref %build-inputs "gzip"))
                          (texi   (assoc-ref %build-inputs "texinfo")))
                     (setenv "PATH" (string-append gz "/bin"))
                     (system* (string-append tar "/bin/tar") "xvf" source)

                     (chdir (string-append "vera-" ,version))
                     (mkdir-p info)
                     (mkdir-p html)

                     ;; XXX: Use '--force' because the document is unhappy
                     ;; with Texinfo 5 (yes, documents can be unhappy.)
                     (and (zero?
                           (system* (string-append texi "/bin/makeinfo")
                                    "vera.texi" "--force" "-o"
                                    (string-append info "/vera.info")))
                          (zero?
                           (system* (string-append texi "/bin/makeinfo")
                                    "vera.texi" "--force" "--html" "-o"
                                    (string-append html "/vera.html"))))))
      #:modules ((guix build utils))))
    (native-inputs `(("texinfo" ,texinfo)
                     ("tar" ,tar)
                     ("gzip" ,gzip)))
    (home-page "http://savannah.gnu.org/projects/vera/")
    (synopsis "List of acronyms")
    (description
     "V.E.R.A. (Virtual Entity of Relevant Acronyms) is a list of computing
acronyms distributed as an info document.")
    (license fdl1.3+)))
