- +--------------+

- | Introduction |

- +--------------+

- This repository is an attempt to produce various FSDG compliant docker

- images and see if it could integrate well into existing use

- cases/workflows:

- 

- - Since PureOS and Trisquel are respectively based on Debian stable

-   and LTS versions of Ubuntu, and that Debian and Ubuntu are commonly

-   used in Dockerfiles, it might be possible to use existing

-   Dockerfiles with PureOS and Trisquel images instead.

- 

- - Docker is available in most GNU/Linux distributions, and also works

-   on most FSDG compliant distributions[1].

- 

- [1]https://libreplanet.org/wiki/Group:Software/research/DistroExecutionEnvironments

- 

- The docker images are produced as Parabola packages to give somewhat

- equivalent guarantees than with Parabola packages.

- 

- This means that once we have packages, they will be signed, mirrored,

- and that you will be able use them offline with your own mirror,

- etc. Though there will be some differences mentioned in the "Policies"

- section below.

- 

- +--------+

- | Status |

- +--------+

- Right now Parabola doesn't ship any of these packages, but if you have

- configured sudo to run without password, you can run makepkg and get

- packages of a docker images that are usable with docker import.

- 

- One of the big limitation is that this image is not yet

- redistributalbe as-is as we still need to find a way to get the source

- code corresponding to the images.

- 

- +----------+

- | Policies |

- +----------+

- To make these packages, we had to bend some rules that are in place in

- Parabola. So this repository should be considered unofficial because

- of that.

- 

- Parabola also hosts other unofficial repositories like contributor

- repositories and also hosts repositories with extra requirements (like

- the nonprism repository).

- 

- Here are some of the rules that had to be bent or broken:

- - The packages are not built from source in a PKGBUILD. Instead it's

-   up to the upstream distributions to choose to build packages from

-   source or not. In any case FSDG compliant distributions are expected

-   to be able to provide the source code corresponding to the package

-   binary, else the packages wound't be free software. Though most FSDG

-   compliant distributions either build software from source or reuse

-   packages built from source because it makes license compliance

-   easier.

- 

- - Parabola is more strict than other FSDG distriubtion as it has free

-   culture requirements and generally always require free software

-   licenses. So license like CC-BY-ND are generally not allowed in

-   Parabola for non-functional game data for instance. Though there

-   seems to be an exception for the license of the licenses.

- 

-   So in practice users installing packages from other FSDG compliant

-   distributions might end up with games that have artwork under

-   CC-BY-ND licenses.

- 

- - The PKGBUILDs require network access as they use utilities like

-   debootstrap to download a given distribution. Though the image are

-   reproducible and we do check the checksums of the resulting image to

-   make sure they cannot be arbitrary modified by the network or the

-   mirrors being used.

- 

- - In debian based distributions like Trisquel and Pureos,

-   debuerreotype is being used to produce reproducible images. The

-   issue is that debuerreotype requires root, and no one managed yet to

-   make it work with fakeroot or similar utilities or to fix

-   debuerreotype. So we used sudo in the PKGBUILDs. As sudo without

-   password is usually used with libremakepkg, this shound't be a big

-   issue.

- 

- - The licensing information is not precise, as an image like that is

-   constituted by a lot of different licenses, but the images are FSDG

-   compliant.

- Attribution-NoDerivatives 4.0 International

- 

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- Creative Commons is not a party to its public

- licenses. Notwithstanding, Creative Commons may elect to apply one of

- its public licenses to material it publishes and in those instances

- will be considered the “Licensor.” The text of the Creative Commons

- public licenses is dedicated to the public domain under the CC0 Public

- Domain Dedication. Except for the limited purpose of indicating that

- material is shared under a Creative Commons public license or as

- otherwise permitted by the Creative Commons policies published at

- creativecommons.org/policies, Creative Commons does not authorize the

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- Creative Commons may be contacted at creativecommons.org.

- 

- # Copyright (C) 2023 Denis 'GNUtoo' Carikli <GNUtoo@cyberdimension.org>

- # This program is free software: you can redistribute it and/or modify

- # it under the terms of the CC0 1.0 License.

- # Maintainer: Parabola Hackers <dev@lists.parabola.nu>

- 

- _distro=trisquel

- _suite=etiona

- 

- pkgname="${_distro}-${_suite}"

- pkgver=9.0

- pkgrel=1

- pkgdesc="Trisquel docker image(s)"

- arch=('x86_64')

- url='https://trisquel.info'

- license=('FSDG')

- depends=('debuerreotype'

-          'trisquel-keyring')

- # This docker image follows the Free System Distribution Guidelines (GNU FSDG)

- # The FSDG itself is under the CC-BY-ND-4.0

- source=('free-system-distribution-guidelines.html'

-         'CC-BY-ND-4.0.txt'

-         "${pkgname}.tar.xz.sha512")

- sha512sums=('SKIP'

-             'SKIP'

-             'SKIP')

- 

- build(){

- 	install -d rootfs

- 

- 	# debuerreotype really requires root, see the following bug report for

- 	# more details: 

- 	# https://github.com/debuerreotype/debuerreotype/issues/66

- 	sudo debuerreotype-init --non-debian rootfs "${_suite}" https://archive.trisquel.info/trisquel

- 	sudo debuerreotype-minimizing-config rootfs

- 	sudo debuerreotype-tar rootfs "${_distro}-${_suite}.tar"

- 	# docker import ${_distro}-${_suite}.tar.xz works, so it's better to

- 	# have the smallest file possible as xz compresses quite well and we

- 	# will at least have one docker image per FSDG distribution if

- 	# possible.

- 	sudo xz -9e --verbose -T 0 "${_distro}-${_suite}.tar"

- }

- 

- package(){

- 	install                               -d "${pkgdir}/usr/share/docker-images/${pkgname}/"

- 	install "${_distro}-${_suite}.tar.xz" -t "${pkgdir}/usr/share/docker-images/${pkgname}/"

- 

- 	install                                          -d "${pkgdir}/usr/share/licenses/${pkgname}/"

- 	install free-system-distribution-guidelines.html -t "${pkgdir}/usr/share/licenses/${pkgname}/"

- 	install CC-BY-ND-4.0.txt                         -t "${pkgdir}/usr/share/licenses/${pkgname}/"

- }

- 

- check(){

- 	sudo sha512sum -c "${_distro}-${_suite}.tar.xz.sha512"

- }

-  

- <!DOCTYPE html>

- <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">

- <head>

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- 

- 

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- <div class="article reduced-width">

- <h2>Free System Distribution Guidelines (GNU&nbsp;FSDG)</h2>

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- 

- <p id="introduction" class="introduction">

- The purpose of these guidelines is to explain what it means for an

- installable system distribution (such as a <a href="/gnu/linux-and-gnu.html">GNU/Linux</a> distribution) to

- qualify as <a href="/philosophy/free-sw.html">free</a> (libre), and

- help distribution developers make their distributions qualify.</p>

- 

- <p>These guidelines are not complete.  We have mentioned the issues we

- are aware of now, but we're sure there are more.  We will add them

- when we come across them.</p>

- 

- <p>We would like to thank the Fedora Project for help in focusing

- these policies, and allowing us to use its own distribution license

- guidelines as a basis for this document.</p>

- 

- <div id="fsf-licensing" class="note" role="complementary">

- <p style="font-size: 80%">This page is maintained by the Free Software

- Foundation's Licensing and Compliance Lab. You can support our efforts by

- <a href="http://donate.fsf.org">making a donation</a> to the FSF. Have a

- question not answered here? Check out some of our other <a

- href="http://www.fsf.org/licensing">licensing resources</a> or contact the

- Compliance Lab at <a href="mailto:licensing@fsf.org">licensing@fsf.org</a>.</p>

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- 

- 

- <h3 id="complete-distros">Complete Distros</h3>

- 

- <p>Our list of distributions is a guide for systems you can install in

- a computer.  Therefore, it only includes distributions that are

- complete in themselves and ready to use.  If a distribution is

- incomplete—if it requires further development, or presupposes

- installing other software as well—then it is not listed here,

- even if it is free software.</p>

- 

- <p>In particular, a free system distribution should be self-hosting.

- This means that you must be able to develop and build the system with

- tools that the system provides you.  As a result, a free system

- distribution cannot include free software that can only be built by

- using nonfree software.</p>

- 

- <p>We make an exception to this requirement for <em>small system

- distributions</em>, which are distros designed for devices with

- limited resources, like a wireless router for example. Free small

- system distributions do not need to be self-hosting or complete,

- because it is impractical to do development on such a system, but it

- must be developable and buildable on top of a free complete system

- distribution from our list of distributions, perhaps with the aid of

- free tools distributed alongside the small system distribution

- itself.</p>

- 

- <h3 id="license-rules">License Rules</h3>

- 

- <p>&ldquo;Information for practical use&rdquo;

- includes software, documentation, fonts, and other data that has

- direct functional applications.  It does not include artistic works

- that have an aesthetic (rather than functional) purpose, or statements

- of opinion or judgment.</p>

- 

- <p>All information for practical use in a free distribution must be

- available in source form.  (“Source” means the form of the

- information that is preferred for making changes to it.)</p>

- 

- <p>The information, and the source, must be provided under an

- appropriate <a href="/philosophy/free-sw.html">free license</a>.  We

- evaluate specific licenses and list our determinations

- in <a href="/licenses/license-list.html">our license

- list</a>, with separate sections for licenses that are suitable for

- software, documentation, fonts, and other useful works.  If such a

- work is released under a disjunction of licenses, the work is free as

- long as at least one of its licenses is free; the system developers

- should follow the terms of the applicable free license(s) when they

- distribute and/or modify it.</p>

- 

- <p>A free system distribution must not steer users towards obtaining

- any nonfree information for practical use, or encourage them to do so.

- The system should have no repositories for nonfree software and no

- specific recipes for installation of particular nonfree programs. Nor

- should the distribution refer to third-party repositories that are not

- committed to only including free software; even if they only have free

- software today, that may not be true tomorrow.  Programs in the system

- should not suggest installing nonfree plugins, documentation, and so

- on.</p>

- 

- <p>For instance, a free system distribution must not contain browsers

- that implement EME, the browser functionality designed to load DRM

- modules.</p>

- 

- <p>Some nonfree distros offer an installation option to exclude

- nonfree packages.  That option is a step forward, since it makes

- avoiding them much easier, provided the distro's implementation of the

- option is fully correct.  However, the nonfree packages are

- nonetheless included in the distro.  Moreover, we know that most users

- are not strongly committed to software freedom, and will not reject

- packages that seem handy just for being nonfree.  Practically

- speaking, to list one of these distros as free would mostly lead

- people to install nonfree software.  For these reasons, we do not list