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626 lines
26 KiB
Scheme
626 lines
26 KiB
Scheme
;;; GNU Guix --- Functional package management for GNU
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;;; Copyright © 2019 Ludovic Courtès <ludo@gnu.org>
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;;;
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;;; This file is part of GNU Guix.
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;;;
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;;; GNU Guix is free software; you can redistribute it and/or modify it
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;;; under the terms of the GNU General Public License as published by
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;;; the Free Software Foundation; either version 3 of the License, or (at
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;;; your option) any later version.
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;;;
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;;; GNU Guix is distributed in the hope that it will be useful, but
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;;; WITHOUT ANY WARRANTY; without even the implied warranty of
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;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;;; GNU General Public License for more details.
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;;;
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;;; You should have received a copy of the GNU General Public License
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;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
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;; This file contains machinery to build HTML and PDF copies of the manual
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;; that can be readily published on the web site. To do that, run:
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;;
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;; guix build -f build.scm
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;;
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;; The result is a directory hierarchy that can be used as the manual/
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;; sub-directory of the web site.
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(use-modules (guix)
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(guix gexp)
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(guix git)
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(guix git-download)
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(git)
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(gnu packages base)
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(gnu packages gawk)
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(gnu packages gettext)
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(gnu packages guile)
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(gnu packages iso-codes)
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(gnu packages texinfo)
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(gnu packages tex)
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(srfi srfi-19)
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(srfi srfi-71))
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(define file-append*
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(@@ (guix self) file-append*))
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(define translated-texi-manuals
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(@@ (guix self) translate-texi-manuals))
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(define info-manual
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(@@ (guix self) info-manual))
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(define %languages
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'("de" "en" "es" "fr" "ru" "zh_CN"))
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(define (texinfo-manual-images source)
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"Return a directory containing all the images used by the user manual, taken
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from SOURCE, the root of the source tree."
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(define graphviz
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(module-ref (resolve-interface '(gnu packages graphviz))
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'graphviz))
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(define images
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(file-append* source "doc/images"))
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(define build
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(with-imported-modules '((guix build utils))
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#~(begin
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(use-modules (guix build utils)
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(srfi srfi-26))
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(define (dot->image dot-file format)
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(invoke #+(file-append graphviz "/bin/dot")
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"-T" format "-Gratio=.9" "-Gnodesep=.005"
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"-Granksep=.00005" "-Nfontsize=9"
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"-Nheight=.1" "-Nwidth=.1"
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"-o" (string-append #$output "/"
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(basename dot-file ".dot")
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"." format)
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dot-file))
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;; Build graphs.
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(mkdir-p #$output)
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(for-each (lambda (dot-file)
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(for-each (cut dot->image dot-file <>)
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'("png" "pdf")))
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(find-files #$images "\\.dot$"))
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;; Copy other PNGs.
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(for-each (lambda (png-file)
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(install-file png-file #$output))
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(find-files #$images "\\.png$")))))
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(computed-file "texinfo-manual-images" build))
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(define* (texinfo-manual-source source #:key
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(version "0.0")
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(languages %languages)
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(date 1))
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"Gather all the source files of the Texinfo manuals from SOURCE--.texi file
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as well as images, OS examples, and translations."
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(define documentation
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(file-append* source "doc"))
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(define examples
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(file-append* source "gnu/system/examples"))
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(define build
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(with-imported-modules '((guix build utils))
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#~(begin
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(use-modules (guix build utils)
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(srfi srfi-19))
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(define (make-version-texi language)
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;; Create the 'version.texi' file for LANGUAGE.
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(let ((file (if (string=? language "en")
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"version.texi"
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(string-append "version-" language ".texi"))))
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(call-with-output-file (string-append #$output "/" file)
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(lambda (port)
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(let* ((version #$version)
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(time (make-time time-utc 0 #$date))
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(date (time-utc->date time)))
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(format port "
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@set UPDATED ~a
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@set UPDATED-MONTH ~a
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@set EDITION ~a
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@set VERSION ~a\n"
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(date->string date "~e ~B ~Y")
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(date->string date "~B ~Y")
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version version))))))
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(install-file #$(file-append* documentation "/htmlxref.cnf")
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#$output)
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(for-each (lambda (texi)
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(install-file texi #$output))
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(append (find-files #$documentation "\\.(texi|scm)$")
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(find-files #$(translated-texi-manuals source)
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"\\.texi$")))
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;; Create 'version.texi'.
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(for-each make-version-texi '#$languages)
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;; Copy configuration templates that the manual includes.
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(for-each (lambda (template)
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(copy-file template
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(string-append
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#$output "/os-config-"
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(basename template ".tmpl")
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".texi")))
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(find-files #$examples "\\.tmpl$"))
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(symlink #$(texinfo-manual-images source)
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(string-append #$output "/images")))))
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(computed-file "texinfo-manual-source" build))
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(define %web-site-url
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;; URL of the web site home page.
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(or (getenv "GUIX_WEB_SITE_URL")
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"/software/guix/"))
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(define %makeinfo-html-options
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;; Options passed to 'makeinfo --html'.
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'("--css-ref=https://www.gnu.org/software/gnulib/manual.css"))
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(define* (html-manual source #:key (languages %languages)
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(version "0.0")
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(manual "guix")
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(date 1)
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(options %makeinfo-html-options))
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"Return the HTML manuals built from SOURCE for all LANGUAGES, with the given
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makeinfo OPTIONS."
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(define manual-source
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(texinfo-manual-source source
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#:version version
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#:languages languages
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#:date date))
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(define images
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(texinfo-manual-images source))
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(define build
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(with-imported-modules '((guix build utils))
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#~(begin
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(use-modules (guix build utils)
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(ice-9 match))
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(define (normalize language)
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;; Normalize LANGUAGE. For instance, "zh_CN" becomes "zh-cn".
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(string-map (match-lambda
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(#\_ #\-)
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(chr chr))
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(string-downcase language)))
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;; Install a UTF-8 locale so that 'makeinfo' is at ease.
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(setenv "GUIX_LOCPATH"
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#+(file-append glibc-utf8-locales "/lib/locale"))
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(setenv "LC_ALL" "en_US.utf8")
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(setvbuf (current-output-port) 'line)
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(setvbuf (current-error-port) 'line)
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(for-each (lambda (language)
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(let ((opts `("--html"
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"-c" ,(string-append "TOP_NODE_UP_URL=/manual/"
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language)
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#$@options
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,(if (string=? language "en")
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(string-append #$manual-source "/"
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#$manual ".texi")
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(string-append #$manual-source "/"
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#$manual "." language ".texi")))))
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(format #t "building HTML manual for language '~a'...~%"
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language)
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(mkdir-p (string-append #$output "/"
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(normalize language)))
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(setenv "LANGUAGE" language)
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(apply invoke #$(file-append texinfo "/bin/makeinfo")
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"-o" (string-append #$output "/"
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(normalize language)
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"/html_node")
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opts)
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(apply invoke #$(file-append texinfo "/bin/makeinfo")
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"--no-split"
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"-o"
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(string-append #$output "/"
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(normalize language)
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"/" #$manual
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(if (string=? language "en")
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""
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(string-append "." language))
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".html")
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opts)
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;; Make sure images are available.
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(symlink #$images
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(string-append #$output "/" (normalize language)
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"/images"))
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(symlink #$images
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(string-append #$output "/" (normalize language)
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"/html_node/images"))))
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'#$languages))))
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(computed-file (string-append manual "-html-manual") build))
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(define* (pdf-manual source #:key (languages %languages)
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(version "0.0")
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(manual "guix")
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(date 1)
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(options '()))
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"Return the HTML manuals built from SOURCE for all LANGUAGES, with the given
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makeinfo OPTIONS."
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(define manual-source
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(texinfo-manual-source source
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#:version version
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#:languages languages
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#:date date))
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;; FIXME: This union works, except for the table of contents of non-English
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;; manuals, which contains escape sequences like "^^ca^^fe" instead of
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;; accented letters.
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;;
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;; (define texlive
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;; (texlive-union (list texlive-tex-texinfo
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;; texlive-generic-epsf
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;; texlive-fonts-ec)))
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(define build
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(with-imported-modules '((guix build utils))
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#~(begin
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(use-modules (guix build utils)
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(srfi srfi-34)
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(ice-9 match))
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(define (normalize language) ;XXX: deduplicate
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;; Normalize LANGUAGE. For instance, "zh_CN" becomes "zh-cn".
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(string-map (match-lambda
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(#\_ #\-)
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(chr chr))
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(string-downcase language)))
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;; Install a UTF-8 locale so that 'makeinfo' is at ease.
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(setenv "GUIX_LOCPATH"
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#+(file-append glibc-utf8-locales "/lib/locale"))
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(setenv "LC_ALL" "en_US.utf8")
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(setenv "PATH"
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(string-append #+(file-append texlive "/bin") ":"
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#+(file-append texinfo "/bin") ":"
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;; Below are command-line tools needed by
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;; 'texi2dvi' and friends.
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#+(file-append sed "/bin") ":"
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#+(file-append grep "/bin") ":"
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#+(file-append coreutils "/bin") ":"
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#+(file-append gawk "/bin") ":"
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#+(file-append tar "/bin") ":"
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#+(file-append diffutils "/bin")))
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(setvbuf (current-output-port) 'line)
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(setvbuf (current-error-port) 'line)
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(setenv "HOME" (getcwd)) ;for kpathsea/mktextfm
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;; 'SOURCE_DATE_EPOCH' is honored by pdftex.
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(setenv "SOURCE_DATE_EPOCH" "1")
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(for-each (lambda (language)
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(let ((opts `("--pdf"
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"-I" "."
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#$@options
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,(if (string=? language "en")
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(string-append #$manual-source "/"
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#$manual ".texi")
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(string-append #$manual-source "/"
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#$manual "." language ".texi")))))
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(format #t "building PDF manual for language '~a'...~%"
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language)
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(mkdir-p (string-append #$output "/"
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(normalize language)))
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(setenv "LANGUAGE" language)
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;; FIXME: Unfortunately building PDFs for non-Latin
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;; alphabets doesn't work:
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;; <https://lists.gnu.org/archive/html/help-texinfo/2012-01/msg00014.html>.
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(guard (c ((invoke-error? c)
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(format (current-error-port)
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"~%~%Failed to produce \
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PDF for language '~a'!~%~%"
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language)))
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(apply invoke #$(file-append texinfo "/bin/makeinfo")
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"--pdf" "-o"
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(string-append #$output "/"
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(normalize language)
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"/" #$manual
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(if (string=? language "en")
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""
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(string-append "."
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language))
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".pdf")
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opts))))
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'#$languages))))
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(computed-file (string-append manual "-pdf-manual") build))
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(define (guix-manual-text-domain source languages)
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"Return the PO files for LANGUAGES of the 'guix-manual' text domain taken
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from SOURCE."
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(define po-directory
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(file-append* source "/po/doc"))
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(define build
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(with-imported-modules '((guix build utils))
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#~(begin
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(use-modules (guix build utils))
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(mkdir-p #$output)
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(for-each (lambda (language)
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(define directory
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(string-append #$output "/" language
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"/LC_MESSAGES"))
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(mkdir-p directory)
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(invoke #+(file-append gnu-gettext "/bin/msgfmt")
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"-c" "-o"
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(string-append directory "/guix-manual.mo")
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(string-append #$po-directory "/guix-manual."
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language ".po")))
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'#$(delete "en" languages)))))
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(computed-file "guix-manual-po" build))
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(define* (html-manual-indexes source
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#:key (languages %languages)
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(version "0.0")
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(manual "guix")
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(date 1))
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(define build
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(with-extensions (list guile-json-3)
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(with-imported-modules '((guix build utils))
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#~(begin
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(use-modules (guix build utils)
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(json)
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(ice-9 match)
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(ice-9 popen)
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(sxml simple)
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(srfi srfi-1)
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(srfi srfi-19))
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(define (normalize language) ;XXX: deduplicate
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;; Normalize LANGUAGE. For instance, "zh_CN" becomes "zh-cn".
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(string-map (match-lambda
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(#\_ #\-)
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(chr chr))
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(string-downcase language)))
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(define-syntax-rule (with-language language exp ...)
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(let ((lang (getenv "LANGUAGE")))
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(dynamic-wind
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(lambda ()
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(setenv "LANGUAGE" language)
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(setlocale LC_MESSAGES))
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(lambda () exp ...)
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(lambda ()
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(if lang
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(setenv "LANGUAGE" lang)
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(unsetenv "LANGUAGE"))
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(setlocale LC_MESSAGES)))))
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;; (put 'with-language 'scheme-indent-function 1)
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(define* (translate str language
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#:key (domain "guix-manual"))
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(define exp
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`(begin
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(bindtextdomain "guix-manual"
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#+(guix-manual-text-domain
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source
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languages))
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(bindtextdomain "iso_639-3" ;language names
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#+(file-append iso-codes
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"/share/locale"))
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(write (gettext ,str ,domain))))
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(with-language language
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;; Since the 'gettext' function caches msgid translations,
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;; regardless of $LANGUAGE, we have to spawn a new process each
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;; time we want to translate to a different language. Bah!
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(let* ((pipe (open-pipe* OPEN_READ
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#+(file-append guile-2.2
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"/bin/guile")
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"-c" (object->string exp)))
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(str (read pipe)))
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(close-pipe pipe)
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str)))
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(define (seconds->string seconds language)
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(let* ((time (make-time time-utc 0 seconds))
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(date (time-utc->date time)))
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(with-language language (date->string date "~e ~B ~Y"))))
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(define (guix-url path)
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(string-append #$%web-site-url path))
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(define (sxml-index language title body)
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;; FIXME: Avoid duplicating styling info from guix-artwork.git.
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`(html (@ (lang ,language))
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(head
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(title ,(string-append title " — GNU Guix"))
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(meta (@ (charset "UTF-8")))
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(meta (@ (name "viewport") (content "width=device-width, initial-scale=1.0")))
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;; Menu prefetch.
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(link (@ (rel "prefetch") (href ,(guix-url "menu/index.html"))))
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;; Base CSS.
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(link (@ (rel "stylesheet") (href ,(guix-url "static/base/css/elements.css"))))
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(link (@ (rel "stylesheet") (href ,(guix-url "static/base/css/common.css"))))
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(link (@ (rel "stylesheet") (href ,(guix-url "static/base/css/messages.css"))))
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(link (@ (rel "stylesheet") (href ,(guix-url "static/base/css/navbar.css"))))
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(link (@ (rel "stylesheet") (href ,(guix-url "static/base/css/breadcrumbs.css"))))
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(link (@ (rel "stylesheet") (href ,(guix-url "static/base/css/buttons.css"))))
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(link (@ (rel "stylesheet") (href ,(guix-url "static/base/css/footer.css"))))
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(link (@ (rel "stylesheet") (href ,(guix-url "static/base/css/page.css"))))
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(link (@ (rel "stylesheet") (href ,(guix-url "static/base/css/post.css")))))
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(body
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(header (@ (class "navbar"))
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(h1 (a (@ (class "branding")
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(href #$%web-site-url)))
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(span (@ (class "a11y-offset"))
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"Guix"))
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(nav (@ (class "menu"))))
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(nav (@ (class "breadcrumbs"))
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(a (@ (class "crumb")
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(href #$%web-site-url))
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"Home"))
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,body
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(footer))))
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(define (language-index language)
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(define title
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(translate "GNU Guix Reference Manual" language))
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(sxml-index
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language title
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`(main
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(article
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(@ (class "page centered-block limit-width"))
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(h2 ,title)
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(p (@ (class "post-metadata centered-text"))
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#$version " — "
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,(seconds->string #$date language))
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(div
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(ul
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(li (a (@ (href "html_node"))
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"HTML, with one page per node"))
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(li (a (@ (href
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,(string-append
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#$manual
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(if (string=? language
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"en")
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""
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(string-append "."
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language))
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".html")))
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"HTML, entirely on one page"))
|
||
,@(if (member language '("ru" "zh_CN"))
|
||
'()
|
||
`((li (a (@ (href ,(string-append
|
||
#$manual
|
||
(if (string=? language "en")
|
||
""
|
||
(string-append "."
|
||
language))
|
||
".pdf"))))
|
||
"PDF")))))))))
|
||
|
||
(define %iso639-languages
|
||
(vector->list
|
||
(assoc-ref (call-with-input-file
|
||
#+(file-append iso-codes
|
||
"/share/iso-codes/json/iso_639-3.json")
|
||
json->scm)
|
||
"639-3")))
|
||
|
||
(define (language-code->name code)
|
||
"Return the full name of a language from its ISO-639-3 code."
|
||
(let ((code (match (string-index code #\_)
|
||
(#f code)
|
||
(index (string-take code index)))))
|
||
(any (lambda (language)
|
||
(and (string=? (or (assoc-ref language "alpha_2")
|
||
(assoc-ref language "alpha_3"))
|
||
code)
|
||
(assoc-ref language "name")))
|
||
%iso639-languages)))
|
||
|
||
(define (top-level-index languages)
|
||
(define title
|
||
"GNU Guix Reference Manual")
|
||
(sxml-index
|
||
"en" title
|
||
`(main
|
||
(article
|
||
(@ (class "page centered-block limit-width"))
|
||
(h2 ,title)
|
||
(div
|
||
"The GNU Guix Reference Manual is available in the following
|
||
languages:\n"
|
||
(ul
|
||
,@(map (lambda (language)
|
||
`(li (a (@ (href ,(normalize language)))
|
||
,(translate
|
||
(language-code->name language)
|
||
language
|
||
#:domain "iso_639-3"))))
|
||
languages)))))))
|
||
|
||
(define (write-html file sxml)
|
||
(call-with-output-file file
|
||
(lambda (port)
|
||
(display "<!DOCTYPE html>\n" port)
|
||
(sxml->xml sxml port))))
|
||
|
||
(setenv "GUIX_LOCPATH"
|
||
#+(file-append glibc-utf8-locales "/lib/locale"))
|
||
(setenv "LC_ALL" "en_US.utf8")
|
||
(setlocale LC_ALL "en_US.utf8")
|
||
|
||
(for-each (lambda (language)
|
||
(define directory
|
||
(string-append #$output "/"
|
||
(normalize language)))
|
||
|
||
(mkdir-p directory)
|
||
(write-html (string-append directory "/index.html")
|
||
(language-index language)))
|
||
'#$languages)
|
||
|
||
(write-html (string-append #$output "/index.html")
|
||
(top-level-index '#$languages))))))
|
||
|
||
(computed-file "html-indexes" build))
|
||
|
||
(define* (pdf+html-manual source
|
||
#:key (languages %languages)
|
||
(version "0.0")
|
||
(date (time-second (current-time time-utc)))
|
||
(manual "guix"))
|
||
"Return the union of the HTML and PDF manuals, as well as the indexes."
|
||
(directory-union (string-append manual "-manual")
|
||
(map (lambda (proc)
|
||
(proc source
|
||
#:date date
|
||
#:languages languages
|
||
#:version version
|
||
#:manual manual))
|
||
(list html-manual-indexes
|
||
html-manual pdf-manual))
|
||
#:copy? #t))
|
||
|
||
(define (latest-commit+date directory)
|
||
"Return two values: the last commit ID (a hex string) for DIRECTORY, and its
|
||
commit date (an integer)."
|
||
(let* ((repository (repository-open directory))
|
||
(head (repository-head repository))
|
||
(oid (reference-target head))
|
||
(commit (commit-lookup repository oid)))
|
||
;; TODO: Use (git describe) when it's widely available.
|
||
(values (oid->string oid) (commit-time commit))))
|
||
|
||
|
||
(let* ((root (canonicalize-path
|
||
(string-append (current-source-directory) "/..")))
|
||
(commit date (latest-commit+date root)))
|
||
(format (current-error-port)
|
||
"building manual from work tree around commit ~a, ~a~%"
|
||
commit
|
||
(let* ((time (make-time time-utc 0 date))
|
||
(date (time-utc->date time)))
|
||
(date->string date "~e ~B ~Y")))
|
||
(pdf+html-manual (local-file root "guix" #:recursive? #t
|
||
#:select? (git-predicate root))
|
||
#:version (or (getenv "GUIX_MANUAL_VERSION")
|
||
(string-take commit 7))
|
||
#:date date))
|