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Diffstat (limited to 'doc/build.scm')
| -rw-r--r-- | doc/build.scm | 563 |
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diff --git a/doc/build.scm b/doc/build.scm new file mode 100644 index 0000000000..e628a91048 --- /dev/null +++ b/doc/build.scm @@ -0,0 +1,563 @@ +;;; GNU Guix --- Functional package management for GNU +;;; Copyright © 2019 Ludovic Courtès <ludo@gnu.org> +;;; +;;; This file is part of GNU Guix. +;;; +;;; GNU Guix is free software; you can redistribute it and/or modify it +;;; under the terms of the GNU General Public License as published by +;;; the Free Software Foundation; either version 3 of the License, or (at +;;; your option) any later version. +;;; +;;; GNU Guix is distributed in the hope that it will be useful, but +;;; WITHOUT ANY WARRANTY; without even the implied warranty of +;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +;;; GNU General Public License for more details. +;;; +;;; You should have received a copy of the GNU General Public License +;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>. + + +;; This file contains machinery to build HTML and PDF copies of the manual +;; that can be readily published on the web site. To do that, run: +;; +;; guix build -f build.scm +;; +;; The result is a directory hierarchy that can be used as the manual/ +;; sub-directory of the web site. + +(use-modules (guix) + (guix gexp) + (guix git) + (guix git-download) + (git) + (gnu packages base) + (gnu packages gawk) + (gnu packages gettext) + (gnu packages guile) + (gnu packages texinfo) + (gnu packages tex) + (srfi srfi-19) + (srfi srfi-71)) + +(define file-append* + (@@ (guix self) file-append*)) + +(define translated-texi-manuals + (@@ (guix self) translate-texi-manuals)) + +(define info-manual + (@@ (guix self) info-manual)) + +(define %languages + '("de" "en" "es" "fr" "ru" "zh_CN")) + +(define (texinfo-manual-images source) + "Return a directory containing all the images used by the user manual, taken +from SOURCE, the root of the source tree." + (define graphviz + (module-ref (resolve-interface '(gnu packages graphviz)) + 'graphviz)) + + (define images + (file-append* source "doc/images")) + + (define build + (with-imported-modules '((guix build utils)) + #~(begin + (use-modules (guix build utils) + (srfi srfi-26)) + + (define (dot->image dot-file format) + (invoke #+(file-append graphviz "/bin/dot") + "-T" format "-Gratio=.9" "-Gnodesep=.005" + "-Granksep=.00005" "-Nfontsize=9" + "-Nheight=.1" "-Nwidth=.1" + "-o" (string-append #$output "/" + (basename dot-file ".dot") + "." format) + dot-file)) + + ;; Build graphs. + (mkdir-p #$output) + (for-each (lambda (dot-file) + (for-each (cut dot->image dot-file <>) + '("png" "pdf"))) + (find-files #$images "\\.dot$")) + + ;; Copy other PNGs. + (for-each (lambda (png-file) + (install-file png-file #$output)) + (find-files #$images "\\.png$"))))) + + (computed-file "texinfo-manual-images" build)) + +(define* (texinfo-manual-source source #:key + (version "0.0") + (languages %languages) + (date 1)) + "Gather all the source files of the Texinfo manuals from SOURCE--.texi file +as well as images, OS examples, and translations." + (define documentation + (file-append* source "doc")) + + (define examples + (file-append* source "gnu/system/examples")) + + (define build + (with-imported-modules '((guix build utils)) + #~(begin + (use-modules (guix build utils) + (srfi srfi-19)) + + (define (make-version-texi language) + ;; Create the 'version.texi' file for LANGUAGE. + (let ((file (if (string=? language "en") + "version.texi" + (string-append "version-" language ".texi")))) + (call-with-output-file (string-append #$output "/" file) + (lambda (port) + (let* ((version #$version) + (time (make-time time-utc 0 #$date)) + (date (time-utc->date time))) + (format port " +@set UPDATED ~a +@set UPDATED-MONTH ~a +@set EDITION ~a +@set VERSION ~a\n" + (date->string date "~e ~B ~Y") + (date->string date "~B ~Y") + version version)))))) + + (install-file #$(file-append* documentation "/htmlxref.cnf") + #$output) + + (for-each (lambda (texi) + (install-file texi #$output)) + (append (find-files #$documentation "\\.(texi|scm)$") + (find-files #$(translated-texi-manuals source) + "\\.texi$"))) + + ;; Create 'version.texi'. + (for-each make-version-texi '#$languages) + + ;; Copy configuration templates that the manual includes. + (for-each (lambda (template) + (copy-file template + (string-append + #$output "/os-config-" + (basename template ".tmpl") + ".texi"))) + (find-files #$examples "\\.tmpl$")) + + (symlink #$(texinfo-manual-images source) + (string-append #$output "/images"))))) + + (computed-file "texinfo-manual-source" build)) + +(define %web-site-url + ;; URL of the web site home page. + (or (getenv "GUIX_WEB_SITE_URL") + "/software/guix/")) + +(define %makeinfo-html-options + ;; Options passed to 'makeinfo --html'. + '("--css-ref=https://www.gnu.org/software/gnulib/manual.css")) + +(define* (html-manual source #:key (languages %languages) + (version "0.0") + (manual "guix") + (date 1) + (options %makeinfo-html-options)) + "Return the HTML manuals built from SOURCE for all LANGUAGES, with the given +makeinfo OPTIONS." + (define manual-source + (texinfo-manual-source source + #:version version + #:languages languages + #:date date)) + + (define build + (with-imported-modules '((guix build utils)) + #~(begin + (use-modules (guix build utils) + (ice-9 match)) + + (define (normalize language) + ;; Normalize LANGUAGE. For instance, "zh_CN" become "zh-cn". + (string-map (match-lambda + (#\_ #\-) + (chr chr)) + (string-downcase language))) + + ;; Install a UTF-8 locale so that 'makeinfo' is at ease. + (setenv "GUIX_LOCPATH" + #+(file-append glibc-utf8-locales "/lib/locale")) + (setenv "LC_ALL" "en_US.utf8") + + (setvbuf (current-output-port) 'line) + (setvbuf (current-error-port) 'line) + + (for-each (lambda (language) + (let ((opts `("--html" + "-c" ,(string-append "TOP_NODE_UP_URL=/manual/" + language) + #$@options + ,(if (string=? language "en") + (string-append #$manual-source "/" + #$manual ".texi") + (string-append #$manual-source "/" + #$manual "." language ".texi"))))) + (format #t "building HTML manual for language '~a'...~%" + language) + (mkdir-p (string-append #$output "/" + (normalize language))) + (setenv "LANGUAGE" language) + (apply invoke #$(file-append texinfo "/bin/makeinfo") + "-o" (string-append #$output "/" + (normalize language) + "/html_node") + opts) + (apply invoke #$(file-append texinfo "/bin/makeinfo") + "--no-split" + "-o" + (string-append #$output "/" + (normalize language) + "/" #$manual + (if (string=? language "en") + "" + (string-append "." language)) + ".html") + opts))) + '#$languages)))) + + (computed-file (string-append manual "-html-manual") build)) + +(define* (pdf-manual source #:key (languages %languages) + (version "0.0") + (manual "guix") + (date 1) + (options '())) + "Return the HTML manuals built from SOURCE for all LANGUAGES, with the given +makeinfo OPTIONS." + (define manual-source + (texinfo-manual-source source + #:version version + #:languages languages + #:date date)) + + ;; FIXME: This union works, except for the table of contents of non-English + ;; manuals, which contains escape sequences like "^^ca^^fe" instead of + ;; accented letters. + ;; + ;; (define texlive + ;; (texlive-union (list texlive-tex-texinfo + ;; texlive-generic-epsf + ;; texlive-fonts-ec))) + + (define build + (with-imported-modules '((guix build utils)) + #~(begin + (use-modules (guix build utils) + (srfi srfi-34) + (ice-9 match)) + + (define (normalize language) ;XXX: deduplicate + ;; Normalize LANGUAGE. For instance, "zh_CN" becomes "zh-cn". + (string-map (match-lambda + (#\_ #\-) + (chr chr)) + (string-downcase language))) + + ;; Install a UTF-8 locale so that 'makeinfo' is at ease. + (setenv "GUIX_LOCPATH" + #+(file-append glibc-utf8-locales "/lib/locale")) + (setenv "LC_ALL" "en_US.utf8") + (setenv "PATH" + (string-append #+(file-append texlive "/bin") ":" + #+(file-append texinfo "/bin") ":" + + ;; Below are command-line tools needed by + ;; 'texi2dvi' and friends. + #+(file-append sed "/bin") ":" + #+(file-append grep "/bin") ":" + #+(file-append coreutils "/bin") ":" + #+(file-append gawk "/bin") ":" + #+(file-append tar "/bin") ":" + #+(file-append diffutils "/bin"))) + + (setvbuf (current-output-port) 'line) + (setvbuf (current-error-port) 'line) + + (setenv "HOME" (getcwd)) ;for kpathsea/mktextfm + + ;; 'SOURCE_DATE_EPOCH' is honored by pdftex. + (setenv "SOURCE_DATE_EPOCH" "1") + + (for-each (lambda (language) + (let ((opts `("--pdf" + "-I" "." + #$@options + ,(if (string=? language "en") + (string-append #$manual-source "/" + #$manual ".texi") + (string-append #$manual-source "/" + #$manual "." language ".texi"))))) + (format #t "building PDF manual for language '~a'...~%" + language) + (mkdir-p (string-append #$output "/" + (normalize language))) + (setenv "LANGUAGE" language) + + + ;; FIXME: Unfortunately building PDFs for non-Latin + ;; alphabets doesn't work: + ;; <https://lists.gnu.org/archive/html/help-texinfo/2012-01/msg00014.html>. + (guard (c ((invoke-error? c) + (format (current-error-port) + "~%~%Failed to produce \ +PDF for language '~a'!~%~%" + language))) + (apply invoke #$(file-append texinfo "/bin/makeinfo") + "--pdf" "-o" + (string-append #$output "/" + (normalize language) + "/" #$manual + (if (string=? language "en") + "" + (string-append "." + language)) + ".pdf") + opts)))) + '#$languages)))) + + (computed-file (string-append manual "-pdf-manual") build)) + +(define (guix-manual-text-domain source languages) + "Return the PO files for LANGUAGES of the 'guix-manual' text domain taken +from SOURCE." + (define po-directory + (file-append* source "/po/doc")) + + (define build + (with-imported-modules '((guix build utils)) + #~(begin + (use-modules (guix build utils)) + + (mkdir-p #$output) + (for-each (lambda (language) + (define directory + (string-append #$output "/" language + "/LC_MESSAGES")) + + (mkdir-p directory) + (invoke #+(file-append gnu-gettext "/bin/msgfmt") + "-c" "-o" + (string-append directory "/guix-manual.mo") + (string-append #$po-directory "/guix-manual." + language ".po"))) + '#$(delete "en" languages))))) + + (computed-file "guix-manual-po" build)) + +(define* (html-manual-indexes source + #:key (languages %languages) + (version "0.0") + (manual "guix") + (date 1)) + (define build + (with-imported-modules '((guix build utils)) + #~(begin + (use-modules (guix build utils) + (ice-9 match) + (ice-9 popen) + (sxml simple) + (srfi srfi-19)) + + (define (normalize language) ;XXX: deduplicate + ;; Normalize LANGUAGE. For instance, "zh_CN" become "zh-cn". + (string-map (match-lambda + (#\_ #\-) + (chr chr)) + (string-downcase language))) + + (define-syntax-rule (with-language language exp ...) + (let ((lang (getenv "LANGUAGE"))) + (dynamic-wind + (lambda () + (setenv "LANGUAGE" language) + (setlocale LC_MESSAGES)) + (lambda () exp ...) + (lambda () + (if lang + (setenv "LANGUAGE" lang) + (unsetenv "LANGUAGE")) + (setlocale LC_MESSAGES))))) + + ;; (put 'with-language 'scheme-indent-function 1) + (define* (translate str language + #:key (domain "guix-manual")) + (define exp + `(begin + (bindtextdomain "guix-manual" + #+(guix-manual-text-domain + source + languages)) + (write (gettext ,str "guix-manual")))) + + (with-language language + ;; Since the 'gettext' function caches msgid translations, + ;; regardless of $LANGUAGE, we have to spawn a new process each + ;; time we want to translate to a different language. Bah! + (let* ((pipe (open-pipe* OPEN_READ + #+(file-append guile-2.2 + "/bin/guile") + "-c" (object->string exp))) + (str (read pipe))) + (close-pipe pipe) + str))) + + (define (seconds->string seconds language) + (let* ((time (make-time time-utc 0 seconds)) + (date (time-utc->date time))) + (with-language language (date->string date "~e ~B ~Y")))) + + (define (guix-url path) + (string-append #$%web-site-url path)) + + (define (sxml-index language) + (define title + (translate "GNU Guix Reference Manual" language)) + + ;; FIXME: Avoid duplicating styling info from guix-artwork.git. + `(html (@ (lang ,language)) + (head + (title ,(string-append title " — GNU Guix")) + (meta (@ (charset "UTF-8"))) + (meta (@ (name "viewport") (content "width=device-width, initial-scale=1.0"))) + ;; Menu prefetch. + (link (@ (rel "prefetch") (href ,(guix-url "menu/index.html")))) + ;; Base CSS. + (link (@ (rel "stylesheet") (href ,(guix-url "static/base/css/elements.css")))) + (link (@ (rel "stylesheet") (href ,(guix-url "static/base/css/common.css")))) + (link (@ (rel "stylesheet") (href ,(guix-url "static/base/css/messages.css")))) + (link (@ (rel "stylesheet") (href ,(guix-url "static/base/css/navbar.css")))) + (link (@ (rel "stylesheet") (href ,(guix-url "static/base/css/breadcrumbs.css")))) + (link (@ (rel "stylesheet") (href ,(guix-url "static/base/css/buttons.css")))) + (link (@ (rel "stylesheet") (href ,(guix-url "static/base/css/footer.css")))) + + (link (@ (rel "stylesheet") (href ,(guix-url "static/base/css/page.css")))) + (link (@ (rel "stylesheet") (href ,(guix-url "static/base/css/post.css"))))) + (body + (header (@ (class "navbar")) + (h1 (a (@ (class "branding") + (href #$%web-site-url))) + (span (@ (class "a11y-offset")) + "Guix")) + (nav (@ (class "menu")))) + (nav (@ (class "breadcrumbs")) + (a (@ (class "crumb") + (href #$%web-site-url)) + "Home")) + (main + (article + (@ (class "page centered-block limit-width")) + (h2 ,title) + (p (@ (class "post-metadata centered-text")) + #$version " — " + ,(seconds->string #$date language)) + + (div + (ul + (li (a (@ (href "html_node")) + "HTML, with one page per node")) + (li (a (@ (href + ,(string-append + #$manual + (if (string=? language + "en") + "" + (string-append "." + language)) + ".html"))) + "HTML, entirely on one page")) + ,@(if (member language '("ru" "zh_CN")) + '() + `((li (a (@ (href ,(string-append + #$manual + (if (string=? language "en") + "" + (string-append "." + language)) + ".pdf")))) + "PDF"))))))) + (footer)))) + + (define (write-index language file) + (call-with-output-file file + (lambda (port) + (display "<!DOCTYPE html>\n" port) + (sxml->xml (sxml-index language) port)))) + + (setenv "GUIX_LOCPATH" + #+(file-append glibc-utf8-locales "/lib/locale")) + (setenv "LC_ALL" "en_US.utf8") + (setlocale LC_ALL "en_US.utf8") + + (bindtextdomain "guix-manual" + #+(guix-manual-text-domain source languages)) + + (for-each (lambda (language) + (define directory + (string-append #$output "/" + (normalize language))) + + (mkdir-p directory) + (write-index language + (string-append directory + "/index.html"))) + '#$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)) |