;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2013 Andreas Enge <andreas@enge.fr>
;;;
;;; 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 texlive)
  #:use-module ((guix licenses)
                #:renamer (symbol-prefix-proc 'license:))
  #:use-module (guix packages)
  #:use-module (guix download)
  #:use-module (guix build-system gnu)
  #:use-module (gnu packages)
  #:use-module (gnu packages compression)
  #:use-module (gnu packages fontutils)
  #:use-module (gnu packages ghostscript)
  #:use-module (gnu packages icu4c)
  #:use-module (gnu packages libpng)
  #:use-module (gnu packages pdf)
  #:use-module (gnu packages perl)
  #:use-module (gnu packages pkg-config)
  #:use-module (gnu packages python)
  #:use-module (gnu packages tcsh)
  #:use-module (gnu packages zip))

(define texlive-extra-src
  (origin
    (method url-fetch)
    (uri "ftp://tug.org/historic/systems/texlive/2012/texlive-20120701-extra.tar.xz")
    (sha256 (base32
              "0cb8fnv4x281gy5ka779f00ssdmdpjj4x3pkh9j9vq45hrwg3522"))))

(define texlive-texmf-src
  (origin
    (method url-fetch)
    (uri "ftp://tug.org/historic/systems/texlive/2012/texlive-20120701-texmf.tar.xz")
    (sha256 (base32
              "1fn1dg9k7pnh8a80j23zfkbrfnqyc4c2w4ss30dpkqj490nxsywq"))))

(define-public texlive
  (package
   (name "texlive")
   (version "2012")
   (source (origin
            (method url-fetch)
            (uri "ftp://tug.org/historic/systems/texlive/2012/texlive-20120701-source.tar.xz")
            (sha256 (base32
                     "10bcrdfsqnc6y3gqcb8ndnjy07i5kz63as39irbq4gmcbmyn2rln"))))
   (build-system gnu-build-system)
   (inputs `(("texlive-extra-src" ,texlive-extra-src)
             ("texlive-texmf-src" ,texlive-texmf-src)
             ("fontconfig" ,fontconfig)
             ("freetype" ,freetype)
             ("icu4c" ,icu4c)
             ("ghostscript" ,ghostscript)
             ("libpng" ,libpng)
             ("perl" ,perl)
             ("poppler" ,poppler)
             ("pkg-config" ,pkg-config)
             ;; FIXME: Add interpreters fontforge and ruby,
             ;; once they are available.
             ("python" ,python)
             ("tcsh" ,tcsh)
             ("teckit" ,teckit)
             ("t1lib" ,t1lib)
             ("zlib" ,zlib)
             ("zziplib" ,zziplib)))
   (outputs '("out" "data"))
   (arguments
    `(#:out-of-source? #t
      #:configure-flags
       `("--disable-native-texlive-build"
         ;; Although the texmf and texmf-dist data is taken from
         ;; texlive-texmf, setting datarootdir is still useful:
         ;; "make install" creates symbolic links to scripts in this place.
         ,(string-append "--datarootdir=" (assoc-ref %outputs "data"))
         ,(string-append "--infodir=" (assoc-ref %outputs "out") "/share/info")
         ,(string-append "--mandir=" (assoc-ref %outputs "out") "/share/man")
         "--without-x" ; FIXME: Drop as soon as X is available.
         "--with-system-freetype2"
         ;; "--with-system-gd"
         ;; "--with-system-graphite"
         "--with-system-icu"
         "--with-system-libgs"
         "--with-system-libpng"
         "--with-system-poppler"
         "--with-system-t1lib"
         "--with-system-teckit"
         "--with-system-xpdf"
         "--with-system-zlib"
         "--with-system-zziplib")
      #:phases
       (alist-replace
        'configure
        (lambda* (#:key outputs #:allow-other-keys #:rest args)
         (let ((configure (assoc-ref %standard-phases 'configure)))
           (substitute* "utils/psutils/Makefile.in"
             (("/usr/bin/env perl") (which "perl")))
           (apply configure args)))
       (alist-cons-after
        'install 'postinst
         (lambda* (#:key inputs outputs #:allow-other-keys #:rest args)
           (let ((texlive-extra (assoc-ref inputs "texlive-extra-src"))
                 (texlive-texmf (assoc-ref inputs "texlive-texmf-src"))
                 (out (assoc-ref outputs "out"))
                 (data (assoc-ref outputs "data"))
                 (unpack (assoc-ref %standard-phases 'unpack))
                 (patch-source-shebangs
                   (assoc-ref %standard-phases 'patch-source-shebangs)))
             ;; Create symbolic links for the latex variants and their
             ;; man pages.
             (with-directory-excursion (string-append out "/bin/")
               (for-each symlink
               '("pdftex" "pdftex"   "xetex"   "luatex")
               '("latex"  "pdflatex" "xelatex" "lualatex")))
             (with-directory-excursion (string-append out "/share/man/man1/")
               (symlink "luatex.1" "lualatex.1"))
             ;; Delete texmf and texmf-dist from "data", since they
             ;; will be reinstalled from texlive-texmf.
             (system* "rm" "-r" (string-append data "/texmf"))
             (system* "rm" "-r" (string-append data "/texmf-dist"))
             ;; Unpack texlive-extra and install tlpkg.
             (mkdir "texlive-extra")
             (with-directory-excursion "texlive-extra"
               (apply unpack (list #:source texlive-extra))
               (apply patch-source-shebangs (list #:source texlive-extra))
               (system* "mv" "tlpkg" data)
               (chdir ".."))
             ;; Unpack and install texlive-texmf.
             (mkdir "texlive-texmf")
             (with-directory-excursion "texlive-texmf"
               (apply unpack (list #:source texlive-texmf))
               (apply patch-source-shebangs (list #:source texlive-texmf))
               ;; Register "data" for kpathsea in texmf.cnf.
               (substitute* "texmf/web2c/texmf.cnf"
                 (("TEXMFROOT = \\$SELFAUTOPARENT")
                 (string-append "TEXMFROOT = " data)))
               (system* "mv" "texmf" data)
               (system* "mv" "texmf-dist" data)
               (chdir ".."))
             ;; texmf.cnf must also be placed in "out", since kpsewhich does
             ;; not know about "data" until it has found this file.
             (mkdir (string-append out "/share/texmf"))
             (mkdir (string-append out "/share/texmf/web2c"))
             (copy-file (string-append data "/texmf/web2c/texmf.cnf")
               (string-append out "/share/texmf/web2c/texmf.cnf"))))
       (alist-cons-after 'patch-shebangs 'texconfig
         (lambda* (#:key outputs #:allow-other-keys)
           (let ((out (assoc-ref outputs "out")))
             ;; Configure the texlive system; inspired from
             ;; http://slackbuilds.org/repository/13.37/office/texlive/
             (setenv "PATH" (string-append (getenv "PATH") ":" out "/bin"))
             (system* "updmap-sys" "--nohash" "--syncwithtrees")
             (system* "mktexlsr")
             (system* "fmtutil-sys" "--all")))
       %standard-phases)))))
   (synopsis "Tex Live, a package of the TeX typesetting system")
   (description
    "TeX Live provides a comprehensive TeX document production system.
It includes all the major TeX-related programs, macro packages, and fonts
that are free software, including support for many languages around the
world.")
   (license (license:fsf-free "http://tug.org/texlive/copying.html"))
   (home-page "http://www.tug.org/texlive/")))
