guix-play/doc/build.scm
Ludovic Courtès 3cd1a7ac51
doc: Remove 'build.scm' from the source of the manual.
That way we no longer have to rebuild the whole manual when fiddling
with 'build.scm'.

* doc/build.scm <top level>: Define 'select?' and pass it to
'pdf+html-manual'.
2020-10-17 22:40:17 +02:00

966 lines
42 KiB
Scheme
Raw Blame History

This file contains invisible Unicode characters

This file contains invisible Unicode characters that are indistinguishable to humans but may be processed differently by a computer. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2019, 2020 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2020 Björn Höfling <bjoern.hoefling@bjoernhoefling.de>
;;;
;;; 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)
(guix utils)
(git)
(gnu packages base)
(gnu packages gawk)
(gnu packages gettext)
(gnu packages guile)
(gnu packages guile-xyz)
(gnu packages iso-codes)
(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 %manual
;; The manual to build--i.e., the base name of a .texi file, such as "guix"
;; or "guix-cookbook".
(or (getenv "GUIX_MANUAL")
"guix"))
(define %languages
;; The cookbook is currently only translated into German.
(if (string=? %manual "guix-cookbook")
'("de" "en")
'("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|json)$")
(find-files #$(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"
"-c" "EXTRA_HEAD=<meta name=\"viewport\" \
content=\"width=device-width, initial-scale=1\" />"))
(define guile-lib/htmlprag-fixed
;; Guile-Lib with a hotfix for (htmlprag).
(package
(inherit guile-lib)
(arguments
(substitute-keyword-arguments (package-arguments guile-lib)
((#:phases phases '%standard-phases)
`(modify-phases ,phases
(add-before 'build 'fix-htmlprag
(lambda _
;; When parsing
;; "<body><blockquote><p>foo</p>\n</blockquote></body>",
;; 'html->shtml' would mistakenly close 'blockquote' right
;; before <p>. This patch removes 'p' from the
;; 'parent-constraints' alist to fix that.
(substitute* "src/htmlprag.scm"
(("^[[:blank:]]*\\(p[[:blank:]]+\\. \\(body td th\\)\\).*")
""))
#t))
(add-before 'check 'skip-known-failure
(lambda _
;; XXX: The above change causes one test failure among
;; the htmlprag tests.
(setenv "XFAIL_TESTS" "htmlprag.scm")
#t))))))))
(define* (syntax-highlighted-html input
#:key
(name "highlighted-syntax")
(syntax-css-url
"/static/base/css/code.css"))
"Return a derivation called NAME that processes all the HTML files in INPUT
to (1) add them a link to SYNTAX-CSS-URL, and (2) highlight the syntax of all
its <pre class=\"lisp\"> blocks (as produced by 'makeinfo --html')."
(define build
(with-extensions (list guile-lib/htmlprag-fixed guile-syntax-highlight)
(with-imported-modules '((guix build utils))
#~(begin
(use-modules (htmlprag)
(syntax-highlight)
(syntax-highlight scheme)
(syntax-highlight lexers)
(guix build utils)
(srfi srfi-1)
(srfi srfi-26)
(ice-9 match)
(ice-9 threads)
(ice-9 vlist))
(define (pair-open/close lst)
;; Pair 'open' and 'close' tags produced by 'highlights' and
;; produce nested 'paren' tags instead.
(let loop ((lst lst)
(level 0)
(result '()))
(match lst
((('open open) rest ...)
(call-with-values
(lambda ()
(loop rest (+ 1 level) '()))
(lambda (inner close rest)
(loop rest level
(cons `(paren ,level ,open ,inner ,close)
result)))))
((('close str) rest ...)
(if (> level 0)
(values (reverse result) str rest)
(begin
(format (current-error-port)
"warning: extra closing paren; context:~% ~y~%"
(reverse result))
(loop rest 0 (cons `(close ,str) result)))))
((item rest ...)
(loop rest level (cons item result)))
(()
(when (> level 0)
(format (current-error-port)
"warning: missing ~a closing parens; context:~% ~y%"
level (reverse result)))
(values (reverse result) "" '())))))
(define (highlights->sxml* highlights anchors)
;; Like 'highlights->sxml', but handle nested 'paren tags. This
;; allows for paren matching highlights via appropriate CSS
;; "hover" properties. When a symbol is encountered, look it up
;; in ANCHORS, a vhash, and emit the corresponding href, if any.
(define (tag->class tag)
(string-append "syntax-" (symbol->string tag)))
(map (match-lambda
((? string? str) str)
(('paren level open (body ...) close)
`(span (@ (class ,(string-append "syntax-paren"
(number->string level))))
,open
(span (@ (class "syntax-symbol"))
,@(highlights->sxml* body anchors))
,close))
(('symbol text)
;; Check whether we can emit a hyperlink for TEXT.
(match (vhash-assoc text anchors)
(#f
`(span (@ (class ,(tag->class 'symbol))) ,text))
((_ . target)
`(a (@ (class ,(tag->class 'symbol)) (href ,target))
,text))))
((tag text)
`(span (@ (class ,(tag->class tag))) ,text)))
highlights))
(define entity->string
(match-lambda
("rArr" "⇒")
("rarr" "→")
("hellip" "…")
("rsquo" "")
(e (pk 'unknown-entity e) (primitive-exit 2))))
(define (concatenate-snippets pieces)
;; Concatenate PIECES, which contains strings and entities,
;; replacing entities with their corresponding string.
(let loop ((pieces pieces)
(strings '()))
(match pieces
(()
(string-concatenate-reverse strings))
(((? string? str) . rest)
(loop rest (cons str strings)))
((('*ENTITY* "additional" entity) . rest)
(loop rest (cons (entity->string entity) strings)))
((('span _ lst ...) . rest) ;for <span class="roman">
(loop (append lst rest) strings))
((('var name) . rest) ;for @var{name} within @lisp
(loop rest (cons name strings))) ;XXX: losing formatting
(something
(pk 'unsupported-code-snippet something)
(primitive-exit 1)))))
(define (syntax-highlight sxml anchors)
;; Recurse over SXML and syntax-highlight code snippets.
(let loop ((sxml sxml))
(match sxml
(('*TOP* decl body ...)
`(*TOP* ,decl ,@(map loop body)))
(('head things ...)
`(head ,@things
(link (@ (rel "stylesheet")
(type "text/css")
(href #$syntax-css-url)))))
(('pre ('@ ('class "lisp")) code-snippet ...)
`(pre (@ (class "lisp"))
,@(highlights->sxml*
(pair-open/close
(highlight lex-scheme
(concatenate-snippets code-snippet)))
anchors)))
((tag ('@ attributes ...) body ...)
`(,tag (@ ,@attributes) ,@(map loop body)))
((tag body ...)
`(,tag ,@(map loop body)))
((? string? str)
str))))
(define (underscore-decode str)
;; Decode STR, an "underscore-encoded" string as produced by
;; makeinfo for indexes, such as "_0025base_002dservices" for
;; "%base-services".
(let loop ((str str)
(result '()))
(match (string-index str #\_)
(#f
(string-concatenate-reverse (cons str result)))
(index
(let ((char (string->number
(substring str (+ index 1) (+ index 5))
16)))
(loop (string-drop str (+ index 5))
(append (list (string (integer->char char))
(string-take str index))
result)))))))
(define (anchor-id->key id)
;; Convert ID, an anchor ID such as
;; "index-pam_002dlimits_002dservice" to the corresponding key,
;; "pam-limits-service" in this example. Drop the suffix of
;; duplicate anchor IDs like "operating_002dsystem-1".
(let ((id (if (any (cut string-suffix? <> id)
'("-1" "-2" "-3" "-4" "-5"))
(string-drop-right id 2)
id)))
(underscore-decode
(string-drop id (string-length "index-")))))
(define* (collect-anchors file #:optional (vhash vlist-null))
;; Collect the anchors that appear in FILE, a makeinfo-generated
;; file. Grab those from <dt> tags, which corresponds to
;; Texinfo @deftp, @defvr, etc. Return VHASH augmented with
;; more name/reference pairs.
(define string-or-entity?
(match-lambda
((? string?) #t)
(('*ENTITY* _ ...) #t)
(_ #f)))
(define (worthy-entry? lst)
;; Attempt to match:
;; Scheme Variable: <strong>x</strong>
;; but not:
;; <code>cups-configuration</code> parameter: …
(let loop ((lst lst))
(match lst
(((? string-or-entity?) rest ...)
(loop rest))
((('strong _ ...) _ ...)
#t)
(_ #f))))
(let ((shtml (call-with-input-file file html->shtml)))
(let loop ((shtml shtml)
(vhash vhash))
(match shtml
(('dt ('@ ('id id)) rest ...)
(if (and (string-prefix? "index-" id)
(worthy-entry? rest))
(vhash-cons (anchor-id->key id)
(string-append (basename file)
"#" id)
vhash)
vhash))
((tag ('@ _ ...) body ...)
(fold loop vhash body))
((tag body ...)
(fold loop vhash body))
(_ vhash)))))
(define (process-html file anchors)
;; Parse FILE and perform syntax highlighting for its Scheme
;; snippets. Install the result to #$output.
(format (current-error-port) "processing ~a...~%" file)
(let* ((shtml (call-with-input-file file html->shtml))
(highlighted (syntax-highlight shtml anchors))
(base (string-drop file (string-length #$input)))
(target (string-append #$output base)))
(mkdir-p (dirname target))
(call-with-output-file target
(lambda (port)
(write-shtml-as-html highlighted port)))))
(define (copy-as-is file)
;; Copy FILE as is to #$output.
(let* ((base (string-drop file (string-length #$input)))
(target (string-append #$output base)))
(mkdir-p (dirname target))
(catch 'system-error
(lambda ()
(if (eq? 'symlink (stat:type (lstat file)))
(symlink (readlink file) target)
(link file target)))
(lambda args
(let ((errno (system-error-errno args)))
(pk 'error-link file target (strerror errno))
(primitive-exit 3))))))
(define (html? file stat)
(string-suffix? ".html" file))
;; Install a UTF-8 locale so we can process UTF-8 files.
(setenv "GUIX_LOCPATH"
#+(file-append glibc-utf8-locales "/lib/locale"))
(setlocale LC_ALL "en_US.utf8")
;; First process the mono-node 'guix.html' files.
(n-par-for-each (parallel-job-count)
(lambda (mono)
(let ((anchors (collect-anchors mono)))
(process-html mono anchors)))
(find-files
#$input
"^guix(-cookbook|)(\\.[a-zA-Z_-]+)?\\.html$"))
;; Next process the multi-node HTML files in two phases: (1)
;; collect the list of anchors, and (2) perform
;; syntax-highlighting.
(let* ((multi (find-files #$input "^html_node$"
#:directories? #t))
(anchors (n-par-map (parallel-job-count)
(lambda (multi)
(cons multi
(fold collect-anchors vlist-null
(find-files multi html?))))
multi)))
(n-par-for-each (parallel-job-count)
(lambda (file)
(let ((anchors (assoc-ref anchors (dirname file))))
(process-html file anchors)))
(append-map (lambda (multi)
(find-files multi html?))
multi)))
;; Last, copy non-HTML files as is.
(for-each copy-as-is
(find-files #$input (negate html?)))))))
(computed-file name build))
(define* (html-manual source #:key (languages %languages)
(version "0.0")
(manual %manual)
(date 1)
(options %makeinfo-html-options))
"Return the HTML manuals built from SOURCE for all LANGUAGES, with the given
makeinfo OPTIONS."
(define manual-source
(texinfo-manual-source source
#:version version
#:languages languages
#:date date))
(define images
(texinfo-manual-images source))
(define build
(with-imported-modules '((guix build utils))
#~(begin
(use-modules (guix build utils)
(ice-9 match))
(define (normalize language)
;; Normalize LANGUAGE. For instance, "zh_CN" becomes "zh-cn".
(string-map (match-lambda
(#\_ #\-)
(chr chr))
(string-downcase language)))
(define (language->texi-file-name language)
(if (string=? language "en")
(string-append #$manual-source "/"
#$manual ".texi")
(string-append #$manual-source "/"
#$manual "." language ".texi")))
;; Install a UTF-8 locale so that 'makeinfo' is at ease.
(setenv "GUIX_LOCPATH"
#+(file-append glibc-utf8-locales "/lib/locale"))
(setenv "LC_ALL" "en_US.utf8")
(setvbuf (current-output-port) 'line)
(setvbuf (current-error-port) 'line)
;; 'makeinfo' looks for "htmlxref.cnf" in the current directory, so
;; copy it right here.
(copy-file (string-append #$manual-source "/htmlxref.cnf")
"htmlxref.cnf")
(for-each (lambda (language)
(let* ((texi (language->texi-file-name language))
(opts `("--html"
"-c" ,(string-append "TOP_NODE_UP_URL=/manual/"
language)
#$@options
,texi)))
(format #t "building HTML manual for language '~a'...~%"
language)
(mkdir-p (string-append #$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)
"/" #$manual
(if (string=? language "en")
""
(string-append "." language))
".html")
opts)
;; Make sure images are available.
(symlink #$images
(string-append #$output "/" (normalize language)
"/images"))
(symlink #$images
(string-append #$output "/" (normalize language)
"/html_node/images"))))
(filter (compose file-exists? language->texi-file-name)
'#$languages)))))
(let* ((name (string-append manual "-html-manual"))
(manual (computed-file name build)))
(syntax-highlighted-html manual
#:name (string-append name "-highlighted"))))
(define* (pdf-manual source #:key (languages %languages)
(version "0.0")
(manual %manual)
(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 %manual)
(title (if (string=? "guix" manual)
"GNU Guix Reference Manual"
"GNU Guix Cookbook"))
(date 1))
(define build
(with-extensions (list guile-json-3)
(with-imported-modules '((guix build utils))
#~(begin
(use-modules (guix build utils)
(json)
(ice-9 match)
(ice-9 popen)
(sxml simple)
(srfi srfi-1)
(srfi srfi-19))
(define (normalize language) ;XXX: deduplicate
;; Normalize LANGUAGE. For instance, "zh_CN" becomes "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))
(bindtextdomain "iso_639-3" ;language names
#+(file-append iso-codes
"/share/locale"))
(write (gettext ,str ,domain))))
(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 title body)
;; 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"))
,body
(footer))))
(define (language-index language)
(define title
(translate #$title language))
(sxml-index
language title
`(main
(article
(@ (class "page centered-block limit-width"))
(h2 ,title)
(p (@ (class "post-metadata centered-text"))
#$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
#$manual
(if (string=? language "en")
""
(string-append "."
language))
".pdf"))))
"PDF")))))))))
(define %iso639-languages
(vector->list
(assoc-ref (call-with-input-file
#+(file-append iso-codes
"/share/iso-codes/json/iso_639-3.json")
json->scm)
"639-3")))
(define (language-code->name code)
"Return the full name of a language from its ISO-639-3 code."
(let ((code (match (string-index code #\_)
(#f code)
(index (string-take code index)))))
(any (lambda (language)
(and (string=? (or (assoc-ref language "alpha_2")
(assoc-ref language "alpha_3"))
code)
(assoc-ref language "name")))
%iso639-languages)))
(define (top-level-index languages)
(define title #$title)
(sxml-index
"en" title
`(main
(article
(@ (class "page centered-block limit-width"))
(h2 ,title)
(div
"This document 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 %manual))
"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))
(select? (let ((vcs? (git-predicate root)))
(lambda (file stat)
(and (vcs? file stat)
;; Filter out this file.
(not (string=? (basename file) "build.scm")))))))
(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? select?)
#:version (or (getenv "GUIX_MANUAL_VERSION")
(string-take commit 7))
#:date date))