gnu/packages/groff.scm


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;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2013 Andreas Enge <andreas@enge.fr>
;;; Copyright © 2014 Mark H Weaver <mhw@netris.org>
;;; Copyright © 2016 Ricardo Wurmus <rekado@elephly.net>
;;; Copyright © 2017 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2019, 2020 Efraim Flashner <efraim@flashner.co.il>
;;; Copyright © 2019 Eric Bavier <bavier@member.fsf.org>
;;; Copyright © 2019 Mathieu Othacehe <m.othacehe@gmail.com>
;;; Copyright © 2020 Michael Rohleder <mike@rohleder.de>
;;; Copyright © 2020 Prafulla Giri <pratheblackdiamond@gmail.com>
;;;
;;; 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 groff)
  #:use-module (guix licenses)
  #:use-module (guix packages)
  #:use-module (guix utils)
  #:use-module (guix download)
  #:use-module (guix git-download)
  #:use-module (guix build-system gnu)
  #:use-module (guix build-system ruby)
  #:use-module (guix gexp)
  #:use-module (gnu packages)
  #:use-module (gnu packages ruby)
  #:use-module (gnu packages bison)
  #:use-module (gnu packages flex)
  #:use-module (gnu packages ghostscript)
  #:use-module (gnu packages netpbm)
  #:use-module (gnu packages perl)
  #:use-module (gnu packages texinfo)
  #:use-module (gnu packages web))

(define-public groff
  (package
   (name "groff")
   (version "1.22.4")
   (source (origin
            (method url-fetch)
            (uri (string-append "mirror://gnu/groff/groff-" version
                                ".tar.gz"))
            (sha256 (base32
                     "14q2mldnr1vx0l9lqp9v2f6iww24gj28iyh4j2211hyynx67p3p7"))))
   (build-system gnu-build-system)
   (outputs '("out"
              "doc"))                    ;12MiB of PS, PDF, HTML, and examples

   ;; Note: groff's HTML backend uses executables from netpbm when they are in
   ;; $PATH.  In practice, not having them doesn't prevent it from install its
   ;; own HTML doc, nor does it change its capabilities, so we removed netpbm
   ;; from 'inputs'.

   (inputs (list ghostscript))

   ;; When cross-compiling, this package depends upon a native install of
   ;; itself.
   (native-inputs `(,@(if (%current-target-system)
                          `(("self" ,this-package))
                          '())
                    ("bison" ,bison)
                    ("perl" ,perl)
                    ("psutils" ,psutils)
                    ("texinfo" ,texinfo)))
   (arguments
    `(#:parallel-build? #f   ; parallel build fails
      ,@(if (%current-target-system)
            `(#:make-flags
              ;; In groff-minimal package, that inherits from this package,
              ;; we'll need to locate "groff" instead of "self".
              (let ((groff (or (assoc-ref %build-host-inputs "groff")
                               (assoc-ref %build-host-inputs "self"))))
                (list
                 (string-append "GROFF_BIN_PATH=" groff)
                 (string-append "GROFFBIN=" groff "/bin/groff"))))
            '())
      #:phases
      (modify-phases %standard-phases
        (add-after 'unpack 'disable-relocatability
          (lambda _
            ;; Groff contains a Rube Goldberg-esque relocator for the file
            ;; "charset.alias".  It tries to find the current executable
            ;; using realpath, a do-it-yourself search in $PATH and so on.
            ;; Furthermore, the routine that does the search is buggy
            ;; in that it doesn't handle error cases when they arise.
            ;; This causes preconv to segfault when trying to look up
            ;; the file "charset.alias" in the NULL location.
            ;; The "charset.alias" parser is a copy of gnulib's, and a
            ;; non-broken version of gnulib's "charset.alias" parser is
            ;; part of glibc's libcharset.
            ;; However, groff unconditionally uses their own
            ;; "charset.alias" parser, but then DOES NOT INSTALL the
            ;; file "charset.alias" when glibc is too new.
            ;; In Guix, our file "charset.alias" only contains an obscure
            ;; alias for ASCII and nothing else.  So just disable relocation
            ;; and make the entire "charset.alias" lookup fail.
            ;; See <https://debbugs.gnu.org/cgi/bugreport.cgi?bug=30785> for
            ;; details.
            (substitute* "Makefile.in"
              (("-DENABLE_RELOCATABLE=1") ""))
            #t))
        (add-after 'unpack 'setenv
          (lambda _
            (setenv "GS_GENERATE_UUIDS" "0")
            #t))
        (add-after 'unpack 'fix-docdir
          (lambda _         ;see https://savannah.gnu.org/bugs/index.php?55461
            (substitute* "Makefile.in"
              (("^docdir =.*") "docdir = @docdir@\n"))
            #t)))))
   (synopsis "Typesetting from plain text mixed with formatting commands")
   (description
    "Groff is a typesetting package that reads plain text and produces
formatted output based on formatting commands contained within the text.  It
is usually the formatter of \"man\" documentation pages.")
   (license gpl3+)
   (home-page "https://www.gnu.org/software/groff/")))

(define-public groff-minimal
  ;; Minimialist groff for use by man-db.  Its closure size is less than half
  ;; that of the full-blown groff.
  (package/inherit groff
    (name "groff-minimal")
    (synopsis "Minimalist variant of Groff for use by man-db")
    (outputs '("out"))

    ;; Omit the DVI, PS, PDF, and HTML backends.
    (inputs '())
    (native-inputs `(("bison" ,bison)
                     ("perl" ,perl)
                     ("groff" ,groff)))

    (arguments
     `(#:disallowed-references (,perl)

       #:configure-flags '("--with-doc=no")

       ,@(substitute-keyword-arguments (package-arguments groff)
           ((#:phases phases)
            `(modify-phases ,phases
               (add-after 'install 'remove-non-essential-programs
                 (lambda* (#:key outputs #:allow-other-keys)
                   ;; Keep only the programs that man-db needs at run time,
                   ;; and make sure we don't pull in Perl.
                   (let ((out  (assoc-ref outputs "out"))
                         (kept '("eqn" "neqn" "pic" "tbl" "refer" "preconv"
                                 "nroff" "groff" "troff" "grotty")))
                     (for-each (lambda (file)
                                 (unless (member (basename file) kept)
                                   (delete-file file)))
                               (find-files (string-append out "/bin")))

                     ;; Remove a bunch of unneeded Perl scripts.
                     (for-each delete-file (find-files out "\\.pl$"))
                     (for-each delete-file
                               (find-files out "BuildFoundries"))

                     ;; Remove ~3 MiB from share/groff/X.Y/font/devBACKEND
                     ;; corresponding to the unused backends.
                     (for-each delete-file-recursively
                               (find-files out "^dev(dvi|ps|pdf|html|lj4)$"
                                           #:directories? #t))
                     #t))))))))))

;; There are no releases, so we take the latest commit.
(define-public roffit
  (let ((commit "b59e6c855ebea03daf76e996b5c0f8343f11be3d")
        (revision "1"))
    (package
      (name "roffit")
      (version (string-append "0.12-" revision "." (string-take commit 9)))
      (source (origin
                (method git-fetch)
                (uri (git-reference
                      (url "https://github.com/bagder/roffit")
                      (commit commit)))
                (file-name (string-append "roffit-" commit "-checkout"))
                (sha256
                 (base32
                  "0z4cs92yqh22sykfgbjlyxfaifdvsd47cf1yhr0f2rgcc6l0fj1r"))))
      (build-system gnu-build-system)
      (arguments
       `(#:test-target "test"
         #:phases
         (modify-phases %standard-phases
           (delete 'configure)
           (replace 'install
             (lambda* (#:key outputs #:allow-other-keys)
               (let ((out (assoc-ref outputs "out")))
                 (install-file "roffit" (string-append out "/bin"))
                 (install-file "roffit.1" (string-append out "/share/man/man1"))
                 #t)))
           (add-after 'install 'wrap-program
             (lambda* (#:key outputs #:allow-other-keys)
               (let ((out (assoc-ref outputs "out")))
                 (wrap-program (string-append out "/bin/roffit")
                   `("PERL5LIB" ":" prefix (,(getenv "PERL5LIB"))))
                 #t))))))
      (native-inputs `(("html-tree" ,perl-html-tree))) ; for test
      (inputs
       (list perl))
      (home-page "https://daniel.haxx.se/projects/roffit/")
      (synopsis "Convert nroff files to HTML")
      (description
       "Roffit is a program that reads an nroff file and outputs an HTML file.
It is typically used to display man pages on a web site.")
      (license expat))))

(define-public ronn-ng
  (package
    (name "ronn-ng")
    (version "0.9.1")
    (source
     (origin
       (method url-fetch)
       (uri (rubygems-uri "ronn-ng" version))
       (sha256
        (base32
         "1slxfg57cabmh98fw507z4ka6lwq1pvbrqwppflxw6700pi8ykfh"))))
    (build-system ruby-build-system)
    (arguments
     (list
      #:phases
      #~(modify-phases %standard-phases
          (add-after 'unpack 'patch-test
            (lambda _
              ;; TODO This should be removed once the upstream fix is released
              ;; https://github.com/apjanke/ronn-ng/commit/e194bf62b1d0c0828cc83405e60dc5ece829e62f
              (substitute* "test/test_ronn_document.rb"
                (("YAML\\.load\\(@doc\\.to_yaml\\)")
                 "YAML.load(@doc.to_yaml, permitted_classes: [Time])"))))
          (add-after 'extract-gemspec 'fix-gemspec-mustache
            (lambda _
              (substitute* "ronn-ng.gemspec"
                (("(<mustache>.freeze.*~>).*(\".*$)" all start end)
                 (string-append start " 1.0" end)))))
          (add-after 'wrap 'wrap-program
            (lambda* (#:key outputs #:allow-other-keys)
              (let ((prog (string-append (assoc-ref %outputs "out") "/bin/ronn")))
                (wrap-program prog
                  `("PATH" ":" suffix ,(map
                                        (lambda (exp_inpt)
                                          (string-append
                                           (assoc-ref %build-inputs exp_inpt)
                                           "/bin"))
                                        '("ruby-kramdown"
                                          "ruby-mustache"
                                          "ruby-nokogiri"))))))))))
    (inputs
     (list ruby-kramdown ruby-mustache ruby-nokogiri))
    (synopsis
     "Build manuals in HTML and Unix man page format from Markdown")
    (description
     "Ronn-NG is an updated fork of ronn.  It builds manuals in HTML and Unix
man page format from Markdown.")
    (home-page "https://github.com/apjanke/ronn-ng")
    (license expat)))

(define-public grap
  (package
    (name "grap")
    (version "1.46")
    (source (origin
              (method url-fetch)
              (uri (string-append
                    "https://www.lunabase.org/~faber/Vault/software/grap/grap-"
                    version ".tar.gz"))
              (sha256
               (base32
                "1d4bhhgi64x4cjww7fj0lqgr20w7lqnl2aizj6cndsgyxkywx3ks"))))
    (build-system gnu-build-system)
    (native-inputs (list flex bison))
    (synopsis "Tool for creating graphs with troff")
    (description
     "Grap is a language for typesetting graphs specified and
first implemented by Brian Kernighan and Jon Bentley at Bell Labs.  It is an
expressive language for describing graphs and incorporating them in typeset
documents.  It is implemented as a preprocessor to Kernigan's pic language for
describing languages, so any system that can use pic can use grap.  For sure,
TeX and groff can use it.")
    (home-page "https://github.com/snorerot13/grap")
    (license bsd-3)))