Mirror of GNU Guix
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exec guile -l "$0" \
-c '(apply (@ (list-packages) list-packages)
(cdr (command-line)))'
;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2013 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2013 Alex Sassmannshausen <alex.sassmannshausen@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
;;; 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 (list-packages)
#:use-module (guix utils)
#:use-module (guix packages)
#:use-module (guix licenses)
#:use-module (guix gnu-maintenance)
#:use-module (gnu packages)
#:use-module (sxml simple)
#:use-module (sxml fold)
#:use-module (web uri)
#:use-module (ice-9 match)
#:use-module (srfi srfi-1)
#:export (list-packages))
;;; Commentary:
;;; Emit an HTML representation of the packages available in GNU Guix.
;;; Code:
(define lookup-gnu-package
(let ((gnu (official-gnu-packages)))
(lambda (name)
"Return the package description for GNU package NAME, or #f."
(find (lambda (package)
(equal? (gnu-package-name package) name))
(define (list-join lst item)
"Join the items in LST by inserting ITEM between each pair of elements."
(let loop ((lst lst)
(result '()))
(match lst
(match (reverse result)
((_ rest ...)
((head tail ...)
(loop tail
(cons* head item result))))))
(define (package->sxml package previous description-ids remaining)
"Return 3 values: the HTML-as-SXML for PACKAGE added to all previously
collected package output in PREVIOUS, a list of DESCRIPTION-IDS and the number
of packages still to be processed in REMAINING. Also Introduces a call to the
JavaScript prep_pkg_descs function as part of the output of PACKAGE, every
time the length of DESCRIPTION-IDS, increasing, is 15 or when REMAINING,
decreasing, is 1."
(define (location-url loc)
(string-append "http://git.savannah.gnu.org/cgit/guix.git/tree/"
(location-file loc) "#n"
(number->string (location-line loc))))
(define (source-url package)
(let ((loc (package-location package)))
(and loc (location-url loc))))
(define (license package)
(define ->sxml
((lst ...)
`(div ,(map ->sxml lst)))
((? license? license)
(let ((uri (license-uri license)))
(case (and=> (and uri (string->uri uri)) uri-scheme)
((http https)
`(div (a (@ (href ,uri)
(title "Link to the full license"))
,(license-name license))))
`(div ,(license-name license) " ("
,(license-comment license) ")")))))
(#f "")))
(->sxml (package-license package)))
(define (patches package)
(define (patch-url patch)
(basename patch)))
(define (snippet-link snippet)
(let ((loc (or (package-field-location package 'source)
(package-location package))))
`(a (@ (href ,(location-url loc))
(title "Link to patch snippet"))
(and (origin? (package-source package))
(let ((patches (origin-patches (package-source package)))
(snippet (origin-snippet (package-source package))))
(and (or (pair? patches) snippet)
`(div "patches: "
,(let loop ((patches patches)
(number 1)
(links '()))
(match patches
(let* ((additional (and snippet
(snippet-link snippet)))
(links (if additional
(cons additional links)
(list-join (reverse links) ", ")))
((patch rest ...)
(loop rest
(+ 1 number)
(cons `(a (@ (href ,(patch-url patch))
(title ,(string-append
"Link to "
(basename patch))))
,(number->string number))
(define (status package)
(define (url system)
`(a (@ (href ,(string-append "http://hydra.gnu.org/job/gnu/master/"
(package-full-name package) "."
(title "View the status of this architecture's build at Hydra"))
`(div "status: "
,(url "x86_64-linux") " "
,(url "i686-linux")))
(define (package-logo name)
(and=> (lookup-gnu-package name)
(define (insert-tr description-id js?)
(define (insert-js-call description-ids)
"Return an sxml call to prep_pkg_descs, with up to 15 elements of
description-ids as formal parameters."
`(script (@ (type "text/javascript"))
,(format #f "prep_pkg_descs(~a)"
(string-append "'"
(string-join description-ids "', '")
(let ((description-ids (cons description-id description-ids)))
`(tr (td ,(if (gnu-package? package)
`(img (@ (src "/graphics/gnu-head-mini.png")
(alt "Part of GNU")
(title "Part of GNU")))
(td (a (@ (href ,(source-url package))
(title "Link to the Guix package source code"))
,(package-name package) " "
,(package-version package)))
(td (span ,(package-synopsis package))
(div (@ (id ,description-id))
,(match (package-logo (package-name package))
((? string? url)
`(img (@ (src ,url)
(height "35")
(class "package-logo")
(alt ("Logo of " ,(package-name package))))))
(_ #f))
(p ,(package-description package))
,(license package)
(a (@ (href ,(package-home-page package))
(title "Link to the package's website"))
,(package-home-page package))
,(status package)
,(patches package)
,(if js?
(insert-js-call description-ids)
(let ((description-id (symbol->string
(gensym (package-name package)))))
(cond ((= remaining 1) ; Last package in packages
(reverse ; Fold has reversed packages
(cons (insert-tr description-id 'js) ; Prefix final sxml
'() ; No more work to do
0)) ; End of the line
((= (length description-ids) 15) ; Time for a JS call
(cons (insert-tr description-id 'js)
previous) ; Prefix new sxml
'() ; Reset description-ids
(1- remaining))) ; Reduce remaining
(else ; Insert another row, and build description-ids
(cons (insert-tr description-id #f)
previous) ; Prefix new sxml
(cons description-id description-ids) ; Update description-ids
(1- remaining)))))) ; Reduce remaining
(define (packages->sxml packages)
"Return an HTML page as SXML describing PACKAGES."
(h2 "GNU Guix Package List")
(div (@ (id "intro"))
(img (@ (src "graphics/guix-logo.small.png")
(alt "GNU Guix and the GNU System")
(height "83"))))
(p "This web page lists the packages currently provided by the "
(a (@ (href "manual/guix.html#GNU-Distribution"))
"GNU system distribution")
" of "
(a (@ (href "/software/guix/guix.html")) "GNU Guix") ". "
"Our " (a (@ (href "http://hydra.gnu.org/jobset/gnu/master"))
"continuous integration system")
" shows their current build status."))
(table (@ (id "packages"))
(tr (th "GNU?")
(th "Package version")
(th "Package details"))
,@(fold-values package->sxml packages '() '() (length packages)))
(a (@ (href "#intro")
(title "Back to top.")
(id "top"))
(define (insert-css)
"Return the CSS for the list-packages page."
(format #t
/* license: CC0 */
a {
transition: all 0.3s;
div#intro {
margin-bottom: 2em;
div#intro div, div#intro p {
div#intro div {
div#intro img {
table#packages, table#packages tr, table#packages tbody, table#packages td, table#packages th {
border: 0px solid black;
clear: both;
table#packages tr:nth-child(even) {
background-color: #FFF;
table#packages tr:nth-child(odd) {
background-color: #EEE;
table#packages tr:hover, table#packages tr:focus, table#packages tr:active {
background-color: #DDD;
table#packages tr:first-child, table#packages tr:first-child:hover, table#packages tr:first-child:focus, table#packages tr:first-child:active {
background-color: #333;
color: #fff;
table#packages td {
padding:0.2em 0.5em;
table#packages td:first-child {
table#packages td:nth-child(2) {
table#packages td:last-child {
img.package-logo {
float: left;
padding: 0.75em;
table#packages span {
font-weight: 700;
table#packages span a {
float: right;
font-weight: 500;
a#top {
padding:10px 7.5px 0 7.5px;
a#top:hover, a#top:focus {
(define (insert-js)
"Return the JavaScript for the list-packages page."
(format #t
"<script type=\"text/javascript\">
// license: CC0
function show_hide(idThing)
if(document.getElementById && document.createTextNode) {
var thing = document.getElementById(idThing);
/* Used to change the link text, depending on whether description is
collapsed or expanded */
var thingLink = thing.previousSibling.lastChild.firstChild;
if (thing) {
if (thing.style.display == \"none\") {
thing.style.display = \"\";
thingLink.data = 'Collapse';
} else {
thing.style.display = \"none\";
thingLink.data = 'Expand';
/* Add controllers used for collapse/expansion of package descriptions */
function prep(idThing)
var tdThing = document.getElementById(idThing).parentNode;
if (tdThing) {
var aThing = tdThing.firstChild.appendChild(document.createElement('a'));
aThing.setAttribute('href', 'javascript:void(0)');
aThing.setAttribute('title', 'show/hide package description');
/* aThing.onkeypress=function(){show_hide(idThing);}; */
/* Take n element IDs, prepare them for javascript enhanced
display and hide the IDs by default. */
function prep_pkg_descs()
if(document.getElementById && document.createTextNode) {
for(var i=0; i<arguments.length; i++) {
(define (list-packages . args)
"Return an HTML page listing all the packages found in the GNU distribution,
with gnu.org server-side include and all that."
;; Don't attempt to translate descriptions.
(setlocale LC_ALL "C")
;; Output the page as UTF-8 since that's what the gnu.org server-side
;; headers claim.
(set-port-encoding! (current-output-port) "UTF-8")
(let ((packages (sort (fold-packages cons '())
(lambda (p1 p2)
(string<? (package-name p1) (package-name p2))))))
(format #t "<!--#include virtual=\"/server/html5-header.html\" -->
<!-- Parent-Version: 1.70 $ -->
<title>GNU Guix - GNU Distribution - GNU Project</title>
(format #t "<!--#include virtual=\"/server/banner.html\" -->")
(sxml->xml (packages->sxml packages))
(format #t "</div>
<!--#include virtual=\"/server/footer.html\" -->
<div id=\"footer\">
<p>Please send general FSF &amp; GNU inquiries to
<a href=\"mailto:gnu@gnu.org\">&lt;gnu@gnu.org&gt;</a>.
There are also <a href=\"/contact/\">other ways to contact</a>
the FSF. Broken links and other corrections or suggestions can be sent
to <a href=\"mailto:bug-guix@gnu.org\">&lt;bug-guix@gnu.org&gt;</a>.</p>
<p>Copyright &copy; 2013 Free Software Foundation, Inc.</p>
<p>This page is licensed under a <a rel=\"license\"
Commons Attribution-NoDerivs 3.0 United States License</a>.</p>
<!-- timestamp start -->
<!-- timestamp end -->
;;; list-packages.scm ends here