429 lines
14 KiB
Scheme
Executable File
429 lines
14 KiB
Scheme
Executable File
#!/bin/sh
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exec guile -l "$0" \
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-c '(apply (@ (list-packages) list-packages)
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(cdr (command-line)))'
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!#
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;;; GNU Guix --- Functional package management for GNU
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;;; Copyright © 2013, 2014 Ludovic Courtès <ludo@gnu.org>
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;;; Copyright © 2013 Alex Sassmannshausen <alex.sassmannshausen@gmail.com>
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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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(define-module (list-packages)
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#:use-module (guix utils)
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#:use-module (guix packages)
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#:use-module (guix licenses)
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#:use-module (guix gnu-maintenance)
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#:use-module (gnu packages)
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#:use-module (sxml simple)
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#:use-module (sxml fold)
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#:use-module (web uri)
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#:use-module (ice-9 match)
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#:use-module (srfi srfi-1)
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#:export (list-packages))
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;;; Commentary:
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;;;
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;;; Emit an HTML representation of the packages available in GNU Guix.
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;;;
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;;; Code:
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(define lookup-gnu-package
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(let ((gnu (official-gnu-packages)))
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(lambda (name)
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"Return the package description for GNU package NAME, or #f."
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(find (lambda (package)
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(equal? (gnu-package-name package) name))
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gnu))))
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(define (list-join lst item)
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"Join the items in LST by inserting ITEM between each pair of elements."
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(let loop ((lst lst)
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(result '()))
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(match lst
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(()
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(match (reverse result)
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(()
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'())
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((_ rest ...)
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rest)))
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((head tail ...)
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(loop tail
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(cons* head item result))))))
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(define (package->sxml package previous description-ids remaining)
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"Return 3 values: the HTML-as-SXML for PACKAGE added to all previously
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collected package output in PREVIOUS, a list of DESCRIPTION-IDS and the number
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of packages still to be processed in REMAINING. Also Introduces a call to the
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JavaScript prep_pkg_descs function as part of the output of PACKAGE, every
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time the length of DESCRIPTION-IDS, increasing, is 15 or when REMAINING,
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decreasing, is 1."
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(define (location-url loc)
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(string-append "http://git.savannah.gnu.org/cgit/guix.git/tree/"
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(location-file loc) "#n"
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(number->string (location-line loc))))
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(define (source-url package)
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(let ((loc (package-location package)))
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(and loc (location-url loc))))
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(define (license package)
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(define ->sxml
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(match-lambda
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((lst ...)
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`(div ,(map ->sxml lst)))
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((? license? license)
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(let ((uri (license-uri license)))
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(case (and=> (and uri (string->uri uri)) uri-scheme)
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((http https)
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`(div (a (@ (href ,uri)
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(title "Link to the full license"))
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,(license-name license))))
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(else
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`(div ,(license-name license) " ("
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,(license-comment license) ")")))))
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(#f "")))
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(->sxml (package-license package)))
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(define (patches package)
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(define (patch-url patch)
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(string-append
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"http://git.savannah.gnu.org/cgit/guix.git/tree/gnu/packages/patches/"
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(basename patch)))
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(define (snippet-link snippet)
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(let ((loc (or (package-field-location package 'source)
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(package-location package))))
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`(a (@ (href ,(location-url loc))
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(title "Link to patch snippet"))
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"snippet")))
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(and (origin? (package-source package))
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(let ((patches (origin-patches (package-source package)))
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(snippet (origin-snippet (package-source package))))
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(and (or (pair? patches) snippet)
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`(div "patches: "
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,(let loop ((patches patches)
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(number 1)
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(links '()))
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(match patches
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(()
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(let* ((additional (and snippet
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(snippet-link snippet)))
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(links (if additional
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(cons additional links)
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links)))
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(list-join (reverse links) ", ")))
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((patch rest ...)
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(loop rest
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(+ 1 number)
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(cons `(a (@ (href ,(patch-url patch))
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(title ,(string-append
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"Link to "
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(basename patch))))
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,(number->string number))
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links))))))))))
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(define (status package)
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(define (url system)
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`(a (@ (href ,(string-append "http://hydra.gnu.org/job/gnu/master/"
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(package-full-name package) "."
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system))
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(title "View the status of this architecture's build at Hydra"))
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,system))
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`(div "status: "
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,(url "x86_64-linux") " "
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,(url "i686-linux") " "
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,(url "mips64el-linux")))
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(define (package-logo name)
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(and=> (lookup-gnu-package name)
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gnu-package-logo))
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(define (insert-tr description-id js?)
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(define (insert-js-call description-ids)
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"Return an sxml call to prep_pkg_descs, with up to 15 elements of
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description-ids as formal parameters."
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`(script (@ (type "text/javascript"))
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,(format #f "prep_pkg_descs(~a)"
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(string-append "'"
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(string-join description-ids "', '")
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"'"))))
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(let ((description-ids (cons description-id description-ids)))
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`(tr (td ,(if (gnu-package? package)
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`(img (@ (src "/graphics/gnu-head-mini.png")
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(alt "Part of GNU")
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(title "Part of GNU")))
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""))
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(td (a (@ (href ,(source-url package))
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(title "Link to the Guix package source code"))
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,(package-name package) " "
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,(package-version package)))
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(td (span ,(package-synopsis package))
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(div (@ (id ,description-id))
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,(match (package-logo (package-name package))
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((? string? url)
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`(img (@ (src ,url)
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(height "35")
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(class "package-logo")
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(alt ("Logo of " ,(package-name package))))))
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(_ #f))
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(p ,(package-description package))
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,(license package)
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(a (@ (href ,(package-home-page package))
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(title "Link to the package's website"))
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,(package-home-page package))
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,(status package)
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,(patches package)
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,(if js?
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(insert-js-call description-ids)
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""))))))
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(let ((description-id (symbol->string
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(gensym (package-name package)))))
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(cond ((= remaining 1) ; Last package in packages
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(values
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(reverse ; Fold has reversed packages
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(cons (insert-tr description-id 'js) ; Prefix final sxml
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previous))
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'() ; No more work to do
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0)) ; End of the line
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((= (length description-ids) 15) ; Time for a JS call
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(values
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(cons (insert-tr description-id 'js)
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previous) ; Prefix new sxml
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'() ; Reset description-ids
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(1- remaining))) ; Reduce remaining
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(else ; Insert another row, and build description-ids
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(values
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(cons (insert-tr description-id #f)
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previous) ; Prefix new sxml
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(cons description-id description-ids) ; Update description-ids
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(1- remaining)))))) ; Reduce remaining
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(define (packages->sxml packages)
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"Return an HTML page as SXML describing PACKAGES."
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`(div
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(h2 "GNU Guix Package List")
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(div (@ (id "intro"))
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(div
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(img (@ (src "graphics/guix-logo.small.png")
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(alt "GNU Guix and the GNU System")
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(height "83"))))
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(p "This web page lists the packages currently provided by the "
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(a (@ (href "manual/guix.html#GNU-Distribution"))
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"GNU system distribution")
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" of "
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(a (@ (href "/software/guix/guix.html")) "GNU Guix") ". "
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"Our " (a (@ (href "http://hydra.gnu.org/jobset/gnu/master"))
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"continuous integration system")
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" shows their current build status."))
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(table (@ (id "packages"))
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(tr (th "GNU?")
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(th "Package version")
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(th "Package details"))
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,@(fold-values package->sxml packages '() '() (length packages)))
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(a (@ (href "#intro")
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(title "Back to top.")
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(id "top"))
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"^")))
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(define (insert-css)
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"Return the CSS for the list-packages page."
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(format #t
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"<style>
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/* license: CC0 */
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a {
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transition: all 0.3s;
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}
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div#intro {
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margin-bottom: 2em;
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}
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div#intro div, div#intro p {
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padding:0.5em;
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}
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div#intro div {
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float:left;
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}
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div#intro img {
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float:left;
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padding:0.75em;
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}
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table#packages, table#packages tr, table#packages tbody, table#packages td, table#packages th {
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border: 0px solid black;
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clear: both;
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}
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table#packages tr:nth-child(even) {
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background-color: #FFF;
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}
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table#packages tr:nth-child(odd) {
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background-color: #EEE;
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}
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table#packages tr:hover, table#packages tr:focus, table#packages tr:active {
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background-color: #DDD;
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}
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table#packages tr:first-child, table#packages tr:first-child:hover, table#packages tr:first-child:focus, table#packages tr:first-child:active {
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background-color: #333;
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color: #fff;
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}
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table#packages td {
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margin:0px;
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padding:0.2em 0.5em;
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}
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table#packages td:first-child {
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width:10%;
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text-align:center;
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}
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table#packages td:nth-child(2) {
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width:30%;
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}
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table#packages td:last-child {
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width:60%;
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}
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img.package-logo {
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float: left;
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padding: 0.75em;
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}
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table#packages span {
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font-weight: 700;
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}
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table#packages span a {
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float: right;
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font-weight: 500;
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}
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a#top {
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position:fixed;
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right:10px;
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bottom:10px;
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font-size:150%;
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background-color:#EEE;
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padding:10px 7.5px 0 7.5px;
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text-decoration:none;
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color:#000;
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border-radius:5px;
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}
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a#top:hover, a#top:focus {
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background-color:#333;
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color:#fff;
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}
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</style>"))
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(define (insert-js)
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"Return the JavaScript for the list-packages page."
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(format #t
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"<script type=\"text/javascript\">
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// license: CC0
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function show_hide(idThing)
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{
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if(document.getElementById && document.createTextNode) {
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var thing = document.getElementById(idThing);
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/* Used to change the link text, depending on whether description is
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collapsed or expanded */
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var thingLink = thing.previousSibling.lastChild.firstChild;
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if (thing) {
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if (thing.style.display == \"none\") {
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thing.style.display = \"\";
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thingLink.data = 'Collapse';
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} else {
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thing.style.display = \"none\";
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thingLink.data = 'Expand';
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}
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}
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}
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}
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/* Add controllers used for collapse/expansion of package descriptions */
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function prep(idThing)
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{
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var tdThing = document.getElementById(idThing).parentNode;
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if (tdThing) {
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var aThing = tdThing.firstChild.appendChild(document.createElement('a'));
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aThing.setAttribute('href', 'javascript:void(0)');
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aThing.setAttribute('title', 'show/hide package description');
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aThing.appendChild(document.createTextNode('Expand'));
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aThing.onclick=function(){show_hide(idThing);};
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/* aThing.onkeypress=function(){show_hide(idThing);}; */
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}
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}
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/* Take n element IDs, prepare them for javascript enhanced
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display and hide the IDs by default. */
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function prep_pkg_descs()
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{
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if(document.getElementById && document.createTextNode) {
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for(var i=0; i<arguments.length; i++) {
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prep(arguments[i])
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show_hide(arguments[i]);
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}
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}
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}
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</script>"))
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(define (list-packages . args)
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"Return an HTML page listing all the packages found in the GNU distribution,
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with gnu.org server-side include and all that."
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;; Don't attempt to translate descriptions.
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(setlocale LC_ALL "C")
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;; Output the page as UTF-8 since that's what the gnu.org server-side
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;; headers claim.
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(set-port-encoding! (current-output-port) "UTF-8")
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(let ((packages (sort (fold-packages cons '())
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(lambda (p1 p2)
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(string<? (package-name p1) (package-name p2))))))
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(format #t "<!--#include virtual=\"/server/html5-header.html\" -->
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<!-- Parent-Version: 1.70 $ -->
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<title>GNU Guix - GNU Distribution - GNU Project</title>
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")
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(insert-css)
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(insert-js)
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(format #t "<!--#include virtual=\"/server/banner.html\" -->")
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(sxml->xml (packages->sxml packages))
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(format #t "</div>
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<!--#include virtual=\"/server/footer.html\" -->
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<div id=\"footer\">
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<p>Please send general FSF & GNU inquiries to
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<a href=\"mailto:gnu@gnu.org\"><gnu@gnu.org></a>.
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There are also <a href=\"/contact/\">other ways to contact</a>
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the FSF. Broken links and other corrections or suggestions can be sent
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to <a href=\"mailto:bug-guix@gnu.org\"><bug-guix@gnu.org></a>.</p>
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<p>Copyright © 2013 Free Software Foundation, Inc.</p>
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<p>This page is licensed under a <a rel=\"license\"
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href=\"http://creativecommons.org/licenses/by-nd/3.0/us/\">Creative
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Commons Attribution-NoDerivs 3.0 United States License</a>.</p>
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<p>Updated:
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<!-- timestamp start -->
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$Date$
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<!-- timestamp end -->
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</p>
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</div>
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</div>
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</body>
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</html>
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"))
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)
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;;; list-packages.scm ends here
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