guix/gnu/packages/docbook.scm

;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2014, 2021-2022 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2014 Eric Bavier <bavier@member.fsf.org>
;;; Copyright © 2016 Mathieu Lirzin <mthl@gnu.org>
;;; Copyright © 2018 Tobias Geerinckx-Rice <me@tobias.gr>
;;; Copyright © 2020 Marius Bakke <marius@gnu.org>
;;; Copyright © 2021, 2022, 2023 Maxim Cournoyer <maxim.cournoyer@gmail.com>
;;; Copyright © 2021 Mark H Weaver <mhw@netris.org>
;;; Copyright © 2021 Efraim Flashner <efraim@flashner.co.il>
;;; Copyright © 2021 Andrew Whatson <whatson@gmail.com>
;;; Copyright © 2023 Bruno Victal <mirai@makinata.eu>
;;;
;;; 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 docbook)
  #:use-module (gnu packages)
  #:use-module (gnu packages bash)
  #:use-module (gnu packages compression)
  #:use-module (gnu packages imagemagick)
  #:use-module (gnu packages inkscape)
  #:use-module (gnu packages tex)
  #:use-module (gnu packages texinfo)
  #:use-module (gnu packages perl)
  #:use-module (gnu packages python)
  #:use-module (gnu packages base)
  #:use-module (gnu packages web-browsers)
  #:use-module (gnu packages xml)
  #:use-module (guix gexp)
  #:use-module (guix utils)
  #:use-module ((guix licenses) #:prefix license:)
  #:use-module (guix packages)
  #:use-module (guix download)
  #:use-module (guix git-download)
  #:use-module ((guix build utils) #:select (alist-replace))
  #:use-module (guix build-system copy)
  #:use-module (guix build-system gnu)
  #:use-module (guix build-system trivial)
  #:use-module (guix build-system python))

(define-public docbook-xml
  (package
    (name "docbook-xml")
    (version "5.1")
    (source (origin
              (method url-fetch)
              (uri (string-append "https://docbook.org/xml/" version
                                  "/docbook-v" version "-os.zip"))
              (sha256
               (base32
                "0zqy9prj9wam9dn7v3mgr7ld1axqxdhgrmv06dviwg00ahv43wxk"))))
    (build-system copy-build-system)
    (arguments
     (list
      #:modules '((guix build copy-build-system)
                  (guix build utils)
                  (srfi srfi-26))
      #:phases
      #~(modify-phases %standard-phases
          (add-after 'unpack 'fix-permissions
            (lambda _
              ;; XXX: These files do not need 0755 permission.
              (for-each (cut chmod <> #o644) (find-files "."))))
          (add-before 'install 'patch-catalog-xml
            (lambda* (#:key inputs #:allow-other-keys)
              (let ((xsltproc (search-input-file inputs "/bin/xsltproc"))
                    (dtd-path (string-append #$output "/xml/dtd/docbook")))
                (invoke xsltproc "--nonet" "--noout"
                        "--stringparam" "prefix" dtd-path
                        "--output" "catalog.xml.new"
                        #$(local-file
                           (search-auxiliary-file "xml/patch-catalog-xml.xsl"))
                        "catalog.xml")
                (rename-file "catalog.xml.new" "catalog.xml"))))
          (replace 'install
            (lambda _
              (let ((dtd-path (string-append #$output "/xml/dtd/docbook")))
                (copy-recursively "." dtd-path)))))))
    (native-inputs (list libxslt unzip))
    (home-page "https://docbook.org")
    (synopsis "DocBook XML DTDs for document authoring")
    (description
     "DocBook is general purpose XML and SGML document type particularly well
suited to books and papers about computer hardware and software (though it is
by no means limited to these applications.)  This package provides XML DTDs.")
    (license (license:x11-style "" "See file headers."))))

(define-public docbook-xml-4.5
  (package
    (inherit docbook-xml)
    (version "4.5")
    (source (origin
              (method url-fetch/zipbomb)
              (uri (string-append "https://docbook.org/xml/" version
                                  "/docbook-xml-" version ".zip"))
              (sha256
               (base32
                "1d671lcjckjri28xfbf6dq7y3xnkppa910w1jin8rjc35dx06kjf"))))))

(define-public docbook-xml-4.4
  (package (inherit docbook-xml)
    (version "4.4")
    (source (origin
              (method url-fetch/zipbomb)
              (uri (string-append "https://docbook.org/xml/" version
                                  "/docbook-xml-" version ".zip"))
              (sha256
               (base32
                "141h4zsyc71sfi2zzd89v4bb4qqq9ca1ri9ix2als9f4i3mmkw82"))))))

(define-public docbook-xml-4.3
  (package (inherit docbook-xml)
    (version "4.3")
    (source (origin
              (method url-fetch/zipbomb)
              (uri (string-append "https://docbook.org/xml/" version
                                  "/docbook-xml-" version ".zip"))
              (sha256
               (base32
                "0r1l2if1z4wm2v664sqdizm4gak6db1kx9y50jq89m3gxaa8l1i3"))))))

(define-public docbook-xml-4.2
  (package (inherit docbook-xml)
    (version "4.2")
    (source (origin
              (method url-fetch/zipbomb)
              (uri (string-append "https://docbook.org/xml/" version
                                  "/docbook-xml-" version ".zip"))
              (sha256
               (base32
                "18hgwvmywh6a5jh38szjmg3hg2r4v5lb6r3ydc3rd8cp9wg61i5c"))))))

(define-public docbook-xml-4.1.2
  (package
    (inherit docbook-xml)
    (version "4.1.2")
    (source (origin
              (method url-fetch/zipbomb)
              (uri (string-append "https://docbook.org/xml/" version
                                  "/docbkx412.zip"))
              (sha256
               (base32
                "0wkp5rvnqj0ghxia0558mnn4c7s3n501j99q2isp3sp0ci069w1h"))))
    (arguments
     (substitute-keyword-arguments (package-arguments docbook-xml)
       ((#:phases phases)
        #~(modify-phases #$phases
            (add-after 'unpack 'copy-catalog-file
              ;; docbook-xml-4.1.2 is unique in the fact that it doesn't come
              ;; with a catalog.xml file, requiring it to be generated by hand
              ;; from the docbook.cat SGML catalog. We could automatically
              ;; generate it here at the cost of enlarging the package
              ;; definition with a rudimentary (PEG) parser for the SGML
              ;; catalog but this is overkill since this file is unlikely to
              ;; change, therefore we ship a pre-generated catalog.xml.
              (lambda _
                (copy-file
                 #$(local-file
                    (search-auxiliary-file
                     "xml/docbook-xml/catalog-4.1.2.xml"))
                 "catalog.xml")))
            (add-after 'patch-catalog-xml 'add-rewrite-entries
              (lambda* (#:key inputs #:allow-other-keys)
                (let ((xmlcatalog (search-input-file inputs "/bin/xmlcatalog"))
                      (dtd-path (string-append #$output "/xml/dtd/docbook")))
                  (for-each
                   (lambda (type)
                     (invoke xmlcatalog "--noout"
                             "--add" type
                             "http://www.oasis-open.org/docbook/xml/4.1.2/"
                             (string-append "file://" dtd-path "/")
                             "catalog.xml"))
                   (list "rewriteSystem" "rewriteURI")))))))))
    (native-inputs
     (modify-inputs (package-native-inputs docbook-xml)
       (prepend libxml2)))))

;;; There's an issue in docbook-xsl 1.79.2 that causes manpages to be
;;; generated incorrectly and embed raw nroff syntax such as '.PP' when there
;;; is a namespace/non-namespace mismatch between the sources and the
;;; stylesheets used (see:
;;; https://github.com/docbook/xslt10-stylesheets/issues/109).
(define-public docbook-xsl
  (let ((commit "fe16c90013b64e316c3e21ef92d1e8813c10f88c")
        (revision "0")
        (base-version "1.79.2"))
    (package
      (name "docbook-xsl")
      (version (git-version base-version revision commit))
      (source (origin
                (method git-fetch)
                (uri (git-reference
                      (url "https://github.com/docbook/xslt10-stylesheets")
                      (commit commit)))
                (file-name (git-file-name name version))
                ;; Multiple .jar files are bundled with the sources.
                (modules '((guix build utils)))
                (snippet '(for-each delete-file (find-files "." "\\.jar$")))
                (sha256
                 (base32
                  "1bl8dwrcy7skrlh80fpsmiw045bv2j0aym231ikcv3hvm2pi98dj"))))
      (build-system gnu-build-system)
      (arguments
       (list
        #:make-flags #~(list "XSLTENGINE=xsltproc")
        #:phases
        #~(modify-phases %standard-phases
            (replace 'configure
              (lambda _
                ;; The build systems insist on a ~/.xmlc, and it is simpler to
                ;; create a dummy config file than to patch it into
                ;; submission.
                (setenv "HOME" "/tmp")
                (call-with-output-file "/tmp/.xmlc"
                  (lambda (port)
                    (format port "\
<?xml version='1.0' encoding='utf-8'?> <!-- -*- nxml -*- -->
<config>
  <java xml:id=\"bigmem\">
    <java-option name=\"Xmx512m\"/>
  </java>
  <xsltproc xml:id=\"xsltproc\" exec=\"xsltproc\"></xsltproc>
  <xmllint xml:id=\"xmllint\" exec=\"xmllint\"></xmllint>
</config>\n")))
                (substitute* "xsl/Makefile"
                  ;; Do not build webhelp files, as they require a Saxon from
                  ;; 2005, which is not packaged in Guix.
                  ((" webhelp") ""))))
            (add-before 'install 'generate-catalog.xml
              (lambda* (#:key make-flags #:allow-other-keys)
                (apply invoke "make" "-C" "xsl" "catalog.xml" make-flags)))
            (replace 'install
              (lambda _
                (let ((xml (string-append #$output "/xml/xsl/"
                                          #$name "-" #$version))
                      (select-rx (make-regexp
                                  "(\\.xml$|\\.xsl$|\\.dtd$|\\.ent$)")))
                  ;; Install catalog.
                  (chdir "xsl")
                  (install-file "catalog.xml" xml)
                  (install-file "VERSION.xsl" xml)
                  (substitute* (string-append xml "/catalog.xml")
                    ;; Re-add the no longer present compatibility entries.
                    ((".*</catalog>.*" anchor)
                     (string-append "\
  <!-- Also support old URI of v1.79.1 or earlier -->
  <rewriteURI uriStartString=\"http://docbook.sourceforge.net\
/release/xsl/current/\" rewritePrefix=\"./\"/>
  <rewriteSystem systemIdStartString=\"http://docbook.sourceforge.net\
/release/xsl/current/\" rewritePrefix=\"./\"/>\n" anchor))
                    (("/snapshot/")
                     (string-append "/" #$base-version "/"))
                    (("rewritePrefix=\"./")
                     (string-append "rewritePrefix=\"file://" xml "/")))
                  ;; Install style sheets.
                  (for-each (lambda (dir)
                              (for-each (lambda (f)
                                          (install-file
                                           f (string-append xml "/" (dirname f))))
                                        (find-files dir select-rx)))
                            '("assembly" "common" "eclipse" "epub" "epub3" "fo"
                              "highlighting" "html" "htmlhelp" "javahelp" "lib"
                              "manpages" "params" "profiling" "roundtrip"
                              "template" "website"
                              "xhtml" "xhtml-1_1" "xhtml5"))))))))
      (native-inputs (list libxml2
                           libxslt
                           perl
                           perl-xml-xpath))
      (home-page "https://docbook.org")
      (synopsis "DocBook XSL style sheets for document authoring")
      (description
       "This package provides XSL style sheets for DocBook.")
      (license (license:x11-style "" "See 'COPYING' file.")))))

(define-public docbook-xsl-1.79.1
  (package
    (name "docbook-xsl")
    (version "1.79.1")
    (source (origin
              (method url-fetch)
              ;; At the time, the non namespaced version was still the
              ;; default; our latest docbook-xsl is namespaced, so for
              ;; consistency preserves this property for older versions too.
              (uri (string-append "mirror://sourceforge/docbook/"
                                  name "-ns/" version "/"
                                  name "-ns-" version ".tar.bz2"))
              (sha256
               (base32
                "170ggf5dgjar65kkn5n33kvjr3pdinpj66nnxfx8b2avw0k91jin"))))
    (build-system copy-build-system)
    (outputs '("out" "doc"))
    (arguments
     (list
      #:phases
      #~(modify-phases %standard-phases
          ;; XXX: The copy-build-system doesn't seem to allow installing to a
          ;; different output.
          (replace 'install
            (lambda _
              (let ((xml (string-append #$output "/xml/xsl/" #$name "-" #$version))
                    (doc (string-append #$output:doc
                                        "/share/doc/" #$name "-" #$version))
                    (select-rx (make-regexp
                                "(\\.xml$|\\.xsl$|\\.dtd$|\\.ent$)")))
                ;; Install catalog.
                (install-file "catalog.xml" xml)
                (install-file "VERSION.xsl" xml)
                (substitute* (string-append xml "/catalog.xml")
                  (("rewritePrefix=\"./")
                   (string-append "rewritePrefix=\"file://" xml "/")))
                ;; Install style sheets.
                (for-each (lambda (dir)
                            (for-each (lambda (f)
                                        (install-file
                                         f (string-append xml "/" (dirname f))))
                                      (find-files dir select-rx)))
                          '("assembly" "common" "eclipse" "epub" "epub3" "fo"
                            "highlighting" "html" "htmlhelp" "javahelp" "lib"
                            "manpages" "params" "profiling" "roundtrip"
                            "template" "website"
                            "xhtml" "xhtml-1_1" "xhtml5"))
                ;; Install documentation.
                (install-file "NEWS" doc)
                (install-file "RELEASE-NOTES.html" doc)
                (copy-recursively "slides" doc)
                (copy-recursively "webhelp" doc)))))))
    (home-page "https://docbook.org")
    (synopsis "DocBook XSL namespaced style sheets for document authoring")
    (description "This package provides the @emph{namespaced} XSL style sheets
for DocBook.")
    (license (license:x11-style "" "See 'COPYING' file."))))

(define-public docbook-dsssl
  (package
    (name "docbook-dsssl")
    (version "1.79")
    (source (origin
              (method url-fetch)
              (uri (string-append "mirror://sourceforge/docbook/"
                                  name "/" version "/"
                                  name "-" version ".tar.bz2"))
              (sha256
               (base32
                "1g72y2yyc2k89kzs0lvrb9n7hjayw1hdskfpplpz97pf1c99wcig"))))
    (build-system trivial-build-system)
    (outputs '("out" "doc"))
    (arguments
     `(#:modules ((guix build utils))
       #:builder
       (begin
         (use-modules (guix build utils))
         (let ((source (assoc-ref %build-inputs "source"))
               (dtd (string-append (assoc-ref %outputs "out")
                                   "/sgml/dtd/docbook"))
               (docbook-dsssl-doc (assoc-ref %build-inputs "docbook-dsssl-doc"))
               (doc (assoc-ref %outputs "doc"))
               (tar (assoc-ref %build-inputs "tar"))
               (bzip2 (assoc-ref %build-inputs "bzip2")))
           (setenv "PATH" (string-append tar "/bin" ":" bzip2 "/bin"))
           (mkdir-p dtd)
           (invoke "tar" "-xf" source "-C" dtd)
           ;; The doc output contains 1.4 MiB of HTML documentation.
           (symlink docbook-dsssl-doc doc)))))
    (inputs
     (list docbook-dsssl-doc))
    (native-inputs
     (list bzip2 tar))
    (home-page "https://docbook.org/")
    (synopsis "DSSSL style sheets for DocBook")
    (description "This package provides DSSSL style sheets for DocBook.")
    (license (license:non-copyleft "file://README"))))

;;; Private variable, used as the 'doc' output of the docbook-dsssl package.
(define docbook-dsssl-doc
  (package
    (name "docbook-dsssl-doc")
    (version "1.79")
    (source (origin
              (method url-fetch)
              (uri (string-append "mirror://sourceforge/docbook/"
                                  name "/" version "/"
                                  name "-" version ".tar.bz2"))
              (sha256
               (base32
                "1plp5ngc96pbna4rwglp9glcadnirbm3hlcjb4gjvq1f8biic9lz"))))
    (build-system trivial-build-system)
    (arguments
     `(#:modules ((guix build utils))
       #:builder
       (begin
         (use-modules (guix build utils))
         (let ((source (assoc-ref %build-inputs "source"))
               (docdir (string-append (assoc-ref %outputs "out")
                                      "/share/doc/" "docbook-dsssl-" ,version))
               (tar (assoc-ref %build-inputs "tar"))
               (bzip2 (assoc-ref %build-inputs "bzip2")))
           (setenv "PATH" (string-append tar "/bin" ":" bzip2 "/bin"))
           (mkdir-p docdir)
           ;; Extract the "doc" subdirectory.
           (invoke "tar" "-xf" source "--strip-components=2"
                   "--no-same-owner" "-C" docdir
                   (string-append "docbook-dsssl-" ,version "/doc"))))))
    (native-inputs
     `(("bzip2" ,bzip2)
       ("tar" ,tar)))
    (home-page "https://docbook.org/")
    (synopsis "DocBook DSSSL style sheets documentation")
    (description "Documentation for the DocBook DSSSL style sheets.")
    (license (license:non-copyleft "file://doc/LEGALNOTICE.htm"))))

(define-public docbook-sgml-4.2
  (package
    (name "docbook-sgml")
    (version "4.2")
    (source (origin
              (method url-fetch)
              (uri (string-append
                    "https://www.oasis-open.org/docbook/sgml/4.2/docbook-"
                    version ".zip"))
              (sha256
               (base32
                "1hrm4qmmzi285bkxkc74lxvjvw2gbl7ycbaxhv31h9rl9g4x5sv7"))))
    (build-system trivial-build-system)
    (arguments
     '(#:modules ((guix build utils))
       #:builder
       (begin
         (use-modules (guix build utils))
         (let ((source (assoc-ref %build-inputs "source"))
               (iso-entities-dir (string-append
                                  (assoc-ref %build-inputs "iso-8879-entities")))
               (unzip  (string-append (assoc-ref %build-inputs "unzip")
                                      "/bin/unzip"))
               (dtd    (string-append (assoc-ref %outputs "out")
                                      "/sgml/dtd/docbook")))
           ;; Extract the sources.
           (mkdir-p dtd)
           (chdir dtd)
           (invoke unzip source)
           ;; Reference the ISO 8879 character entities.
           ;; e.g. "iso-lat1.gml" --> "<iso-entities-dir>/ISOlat1"
           (substitute* "docbook.cat"
             (("\"iso-(.*)\\.gml\"" _ name)
              (string-append "\"" iso-entities-dir "/ISO" name "\"")))))))
    (native-inputs
     (list unzip))
    (inputs
     (list iso-8879-entities))
    (home-page "https://docbook.org")
    (synopsis "DocBook SGML style sheets for document authoring")
    (description "This package provides SGML style sheets for DocBook.")
    (license (license:x11-style "" "See file headers."))))

(define-public docbook-sgml-4.1
  (package
    (inherit docbook-sgml-4.2)
    (version "4.1")
    (source (origin
              (method url-fetch)
              (uri (string-append "https://www.oasis-open.org/docbook/sgml/"
                                  version "/docbk41.zip"))
              (sha256
               (base32
                "04b3gp4zkh9c5g9kvnywdkdfkcqx3kjc04j4mpkr4xk7lgqgrany"))))))

(define-public docbook-sgml docbook-sgml-4.1)

(define-public docbook-sgml-3.1
  (package
    (inherit docbook-sgml)
    (version "3.1")
    (source (origin
              (method url-fetch)
              (uri (string-append "https://www.oasis-open.org/docbook/sgml/"
                                  version "/docbk31.zip"))
              (sha256
               (base32
                "0f25ch7bywwhdxb1qa0hl28mgq1blqdap3rxzamm585rf4kis9i0"))))))

;;; Private package referenced by docbook-sgml.
(define iso-8879-entities
  (package
    (name "iso-8879-entities")
    (version "0.0")                     ;no proper version
    (source (origin
              (method url-fetch)
              (uri "http://www.oasis-open.org/cover/ISOEnts.zip")
              (sha256
               (base32
                "1clrkaqnvc1ja4lj8blr0rdlphngkcda3snm7b9jzvcn76d3br6w"))))
    (build-system trivial-build-system)
    (arguments
     '(#:modules ((guix build utils))
       #:builder
       (begin
         (use-modules (guix build utils))
         (let ((source (assoc-ref %build-inputs "source"))
               (unzip  (string-append (assoc-ref %build-inputs "unzip")
                                      "/bin/unzip"))
               (out (string-append (assoc-ref %outputs "out"))))
           (invoke unzip source "-d" out)))))
    (native-inputs `(("unzip" ,unzip)))
    (home-page "https://www.oasis-open.org/")
    (synopsis "ISO 8879 character entities")
    (description "ISO 8879 character entities that are typically used in
the in DocBook SGML DTDs.")
    (license (license:x11-style "" "See file headers."))))

(define-public dblatex
  (package
    (name "dblatex")
    (version "0.3.12")
    (source (origin
              (method url-fetch)
              (uri (string-append "mirror://sourceforge/dblatex/dblatex/"
                                  "dblatex-" version "/dblatex3-"
                                  version ".tar.bz2"))
              (sha256
               (base32
                "0yd09nypswy3q4scri1dg7dr99d7gd6r2dwx0xm81l9f4y32gs0n"))))
    (build-system python-build-system)
    ;; TODO: Add xfig/transfig for fig2dev utility
    (inputs
     `(("texlive" ,(texlive-updmap.cfg (list texlive-anysize
                                             texlive-appendix
                                             texlive-changebar
                                             texlive-fancybox
                                             texlive-fancyvrb
                                             texlive-float
                                             texlive-footmisc
                                             texlive-jknapltx
                                             texlive-listings
                                             texlive-multirow
                                             texlive-overpic
                                             texlive-pdfpages
                                             texlive-refcount
                                             texlive-rsfs
                                             texlive-stmaryrd
                                             texlive-subfigure
                                             texlive-titlesec
                                             texlive-wasysym)))
       ("imagemagick" ,imagemagick)     ;for convert
       ("inkscape" ,inkscape/stable)    ;for svg conversion
       ("docbook" ,docbook-xml)
       ("libxslt" ,libxslt)))           ;for xsltproc
    (arguments
     `( ;; Using setuptools causes an invalid "package_base" path in
       ;; out/bin/.dblatex-real due to a missing leading '/'.  This is caused
       ;; by dblatex's setup.py stripping the root path when creating the
       ;; script.  (dblatex's setup.py still uses distutils and thus has to
       ;; create the script by itself. The feature for creating scripts is one
       ;; of setuptools' features.)
       ;; See this thread for details:
       ;; https://lists.gnu.org/archive/html/guix-devel/2016-12/msg00030.html
       #:use-setuptools? #f
       #:tests? #f                      ;no 'test' command
       #:phases
       (modify-phases %standard-phases
         (add-after 'wrap 'set-path
           (lambda* (#:key inputs outputs #:allow-other-keys)
             (let ((out (assoc-ref outputs "out")))
               ;; dblatex executes helper programs at runtime.
               (wrap-program (string-append out "/bin/dblatex")
                 `("PATH" ":" prefix
                   ,(map (lambda (input)
                           (string-append (assoc-ref inputs input)
                                          "/bin"))
                         '("libxslt" "texlive"
                           "imagemagick" "inkscape"))))))))))
    (home-page "https://dblatex.sourceforge.net")
    (synopsis "DocBook to LaTeX Publishing")
    (description
     "DocBook to LaTeX Publishing transforms your SGML/XML DocBook documents
to DVI, PostScript or PDF by translating them in pure LaTeX as a first
process.  MathML 2.0 markups are supported too.  It started as a clone of
DB2LaTeX.")
    ;; lib/contrib/which is under an X11 license
    (license license:gpl2+)))

;; This is a variant of the 'dblatex' package that is not updated often.  It
;; is intended to be used as a native-input at build-time only, e.g. by
;; 'gtk-doc' for generating package documentation.  This allows the main
;; 'dblatex' and 'imagemagick' packages to be freely updated on the 'master'
;; branch without triggering an excessive number of rebuilds.
(define-public dblatex/stable
  (hidden-package
   (package/inherit dblatex
     (inputs (alist-replace "imagemagick" `(,imagemagick/stable)
                            (package-inputs dblatex))))))

(define-public docbook-utils
  (package
    (name "docbook-utils")
    (version "0.6.14")
    (source (origin
              (method url-fetch)
              ;; The original sources are not accessible anymore.
              (uri (string-append "http://deb.debian.org/debian/pool/main/"
                                  "d/docbook-utils/docbook-utils_"
                                  version ".orig.tar.gz"))
              (sha256
               (base32
                "1scj5vgw1xz872pq54a89blcxqqm11p90yzv8a9mqq57x27apyj8"))))
    (build-system gnu-build-system)
    (arguments
     `(#:phases (modify-phases %standard-phases
                  (add-after 'unpack 'patch-build-system
                    (lambda _
                      (substitute* (find-files "." "\\.in$")
                        ;; Do not hard-code SGML_CATALOG_FILES.
                        ((".*SGML_CATALOG_FILES=/etc/sgml/catalog.*") "")
                        ;; Use OpenSP and OpenJade.
                        (("\\bjade\\b")
                         "openjade")
                        (("\\bnsgmls\\b")
                         "onsgmls"))
                      #t))
                  (add-after 'unpack 'patch-jw.in
                    ;; Do not override the SGML_CATALOG_FILES environment
                    ;; variable.
                    (lambda _
                      (substitute* "bin/jw.in"
                        ((".*SGML_CATALOG_FILES=`find.*")
                         "")
                        (("SGML_CATALOG_FILES=`echo.*")
                         ":\n")
                        (("SGML_CATALOG_FILES=\"\"")
                         ":")
                        (("\\bwhich\\b")
                         "command -v"))
                      #t))
                  (add-after 'unpack 'patch-txt-backend
                    (lambda _
                      ;; Locate lynx, links or w3m from the PATH, not from
                      ;; /usr/bin.
                      (substitute* "backends/txt"
                        (("CONVERT=/usr/bin/")
                         "CONVERT=")
                        (("\\[ -x /usr/bin/([^ ]+) \\]" dummy command)
                         (string-append "command -v " command " > /dev/null")))
                      #t)))))
    ;; Propagated for convenience.  All these tools are used at run time to
    ;; provide the complete functionality of the docbook-utils commands.
    (propagated-inputs
     (list texlive-jadetex
           docbook-sgml-3.1
           docbook-dsssl
           openjade
           opensp
           lynx
           perl-sgmls))
    (home-page "https://packages.debian.org/sid/docbook-utils")
    (synopsis "DocBook converter to other formats")
    (description "The docbook-utils package is a collection of utilities
intended to ease the use of SGML and XML.
@table @command
@item jw
Convert a SGML DocBook file to other formats such as Hyper Text Markup
Language (HTML), Rich Text Format (RTF), PostScript (PS), man, Portable
Document Format (PDF), TeX, Texinfo or plain text (txt).  It can be used
more conveniently via the following wrappers:
@itemx docbook2dvi Convert a SGML DocBook file to the DVI format.
@itemx docbook2html Convert a SGML DocBook file to an HTML document.
@itemx docbook2man Convert a SGML DocBook file a man page.
@itemx docbook2pdf Convert a SGML DocBook file to a PDF document.
@itemx docbook2ps Convert a SGML DocBook file to a PS document.
@itemx docbook2rtf Convert a SGML DocBook file to a RTF document.
@itemx docbook2tex Convert a SGML DocBook file to a TeX document.
@itemx docbook2texi Convert a SGML DocBook file to a Texinfo document.
@itemx docbook2txt Convert a SGML DocBook file to a plain text document.
@item sgmldiff
Detect the differences in markup between two SGML files.
@end table")
    (license license:gpl2+)))

(define-public docbook2x
  (package
    (name "docbook2x")
    (version "0.8.8")
    (source (origin
              (method url-fetch)
              (uri (string-append "mirror://sourceforge/docbook2x/docbook2x/"
                                  version "/docbook2X-" version ".tar.gz"))
              (sha256
               (base32
                "0ifwzk99rzjws0ixzimbvs83x6cxqk1xzmg84wa1p7bs6rypaxs0"))))
    (build-system gnu-build-system)
    (inputs
     (list bash-minimal
           docbook-xml-4.5
           perl
           perl-xml-namespacesupport
           perl-xml-parser
           perl-xml-sax
           perl-xml-sax-base
           texinfo
           libxslt))
    (arguments
     (list
      #:phases
      #~(modify-phases %standard-phases
          (add-after 'configure 'patch-sources
            (lambda* (#:key inputs #:allow-other-keys)
              ;; Fix failed substitution in config.pl
              (substitute* "perl/config.pl"
                (("\\$\\{prefix\\}")
                 #$output))
              ;; Fix a failing test (maybe it worked with old texinfo?)
              (substitute* "test/complete-manuals/at1.xml"
                (("<bridgehead>")
                 "<bridgehead renderas=\"sect2\">"))
              ;; Patch all the tests use DocBook 4.5
              (substitute* (find-files "test" "\\.xml$")
                (("\"-//OASIS//DTD DocBook XML V4\\..+//EN\"")
                 "\"-//OASIS//DTD DocBook XML V4.5//EN\"")
                (("\"http://www\\.oasis-open\\.org/docbook/xml/4\\..+/docbookx.dtd\"")
                 "\"http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd\""))
              ;; Set XML catalogs for tests to pass
              (setenv "XML_CATALOG_FILES"
                      (string-append (assoc-ref inputs "docbook-xml")
                                     "/xml/dtd/docbook/catalog.xml"))))
          (add-after 'install 'wrap-programs
            (lambda* (#:key inputs outputs #:allow-other-keys)
              (let* ((programs
                      (map (lambda (p)
                             (search-input-file outputs
                                                (string-append "bin/" p)))
                           '("db2x_manxml" "db2x_texixml" "db2x_xsltproc"
                             "docbook2man" "docbook2texi")))
                     (perl5lib
                      '#$(map (lambda (i)
                                (file-append (this-package-input i)
                                             "/lib/perl5/site_perl"))
                              '("perl-xml-namespacesupport"
                                "perl-xml-parser"
                                "perl-xml-sax"
                                "perl-xml-sax-base")))
                     (xml-catalog-files
                      (list (search-input-file
                             inputs "xml/dtd/docbook/catalog.xml"))))
                (map (lambda (program)
                       (wrap-program program
                         `("PERL5LIB" ":" prefix ,perl5lib)
                         `("XML_CATALOG_FILES" " " prefix ,xml-catalog-files)))
                     programs))))
          (add-after 'install 'create-symlinks
            (lambda _
              ;; Create db2x_* symlinks to satisfy some configure scripts
              ;; which use these names to differentiate from an older
              ;; docbook2man script provided by docbook-utils.
              (map (lambda (prog)
                     (symlink prog (string-append #$output
                                                  "/bin/db2x_" prog)))
                   '("docbook2man" "docbook2texi")))))))
    (home-page "https://docbook2x.sourceforge.net")
    (synopsis "Convert DocBook to man page and Texinfo format")
    (description
     "docbook2X is a software package that converts DocBook documents into the
traditional Unix man page format and the GNU Texinfo format.  Notable features
include table support for man pages, internationalization support, and easy
customization of the output using XSLT.")
    (license license:expat)))