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-*- mode: org; coding: utf-8; -*-

#+TITLE: What's left to do?
#+STARTUP: content hidestars

Copyright © 2012, 2013, 2014 Ludovic Courtès <ludo@gnu.org>
Copyright © 2019 Mathieu Othacehe <m.othacehe@gmail.com>

  Copying and distribution of this file, with or without modification,
  are permitted in any medium without royalty provided the copyright
  notice and this notice are preserved.

* MAYBE Add a substituter that uses the GNUnet DHT or [[http://libswift.org][libswift]]

Would be neat if binaries could be pushed to and pulled from the GNUnet DHT or
rather libswift (since DHTs aren’t suited for large payloads).  Guix users
would sign their binaries, and define which binaries they trust.

Use UPnP and similar to traverse NAT, like ‘filegive’ does.

* user interface
** add guile-ncurses interface

* extend <package>
** add ‘recommends’ field

For instance, glibc, binutils, gcc, and ld-wrapper would recommend each other.
‘guix package -i’ could ask interactively (?), or allow users to follow all or
none of the recommendations.

** add a ‘user-environment-hook’

This should specify builder code to be run when building a user
environment with ‘guix-package’.  For instance, Texinfo’s hook would
create a new ‘dir’.

** extend ‘propagated-build-inputs’ with support for multiple outputs

#+BEGIN_SRC scheme
  (outputs '("out" "include"))
  (propagated-build-inputs
    `(((("i1" ,p1 "o1")
        ("i2" ,p2))
       => "include")
      ("i3" ,p3)))
#+END_SRC

* synchronize non-GNU package descriptions with the [[http://directory.fsf.org][FSD]]

Meta-data for GNU packages, including descriptions and synopses, can be
dumped from the FSD:
http://directory.fsf.org/wiki?title=GNU/Export&action=purge .
We could periodically synchronize with that.

* add a guildhall build system

The Guildhall is Guile’s packaging system.  It should be easy to add a
‘guildhall-build-system’ that does the right thing based on guildhall
recipes.

* union

Support sophisticated collision handling when building a union: honor
per-package priorities, etc.

* add GUIX_ALLOW_EXPENSIVE_TESTS

Tests that need to download stuff or otherwise take a long time would only be
run when that is defined.

* guix build utils
** MAYBE Change ‘ld-wrapper’ to add RPATH for libs passed by file name

** MAYBE Add equivalent to chrpath that uses [[https://gitorious.org/guile-dlhacks/guile-dlhacks/][guile-dlhacks]]

** MAYBE Add a hash-rewriting thing for deep dependency replacement without rebuild

See [[https://github.com/NixOS/nixpkgs/commit/d1662d715514e6ef9d3dc29f132f1b3d8e608a18][Shea Levy's `replace-dependency' in Nixpkgs]].

* distro
** port to GNU/Hurd, aka. ‘i686-gnu’

Problems include that current glibc releases do not build on GNU/Hurd.
In addition, there haven’t been stable releases of GNU Mach, MiG, and
Hurd, which would be a pre-condition.

* Installer
** Fix impossibility to restart on error after cow-store has been started
See https://lists.gnu.org/archive/html/guix-devel/2018-12/msg00161.html.
- Force reboot upon installer failure
- Unshare the installer process
- Run the installer process in a separate namespace
** Partitioning
*** Add RAID support
*** Add more partitioning schemes
The actual schemes are taken from Debian Installer but some are not
implemented yet: like "Separate partitions for /home /var and /tmp".
*** Replace wait page "Partition formating is in progress, please wait"
Create a new waiting page describing what's being done:

[              20%              ]
Running mkfs.ext4 on /dev/sda2 ...

[              40%              ]
Running mkfs.ext4 on /dev/sda3 ...
*** Add a confirmation page before formating/partitioning
** Desktop environments
*** Allow for no desktop environments
Propose to choose between "headless server" and "lightweight X11" in a new
page.
*** Add services selection feature
Add a services page to the configuration. Ask for services to be installed
like SSH, bluetooth, TLP in a checkbox list?
** Locale and keymap
*** Try to guess user locale and keymap by probing BIOS or HW (dmidecode)
** Timezone
*** Regroup everything in one single page
Under the form:
(UTC + 1) Europe/Paris
(UTC + 2) Africa/Cairo
...
** Display issue
*** Investigate display issue described here:
https://lists.gnu.org/archive/html/guix-devel/2019-01/msg00305.html
df+html-manual): Likewise, and pass it to 'html-manual'. <top level>: Factorize 'version' and 'source'. Define 'guix-manual', 'mono-node-indexes', and 'split-node-indexes'. Pass #:mono-node-indexes and #:split-node-indexes to 'pdf+html-manual'. Ludovic Courtès 2020-10-17doc: Move manual index creation to a separate derivation....* doc/build.scm (normalize-language-code, html-manual-identifier-index): New procedures. (syntax-highlighted-html): Add #:mono-node-indexes and #:split-node-indexes. [build](underscore-decode, anchor-id->key, collect-anchors): Remove. (language+node-anchors, mono-node-anchors, multi-node-anchors): New variables. Use them. Ludovic Courtès 2020-10-17doc: 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'. Ludovic Courtès 2020-09-04doc: Syntax highlighting now handles @var within @lisp....* doc/build.scm (syntax-highlighted-html)[build](concatenate-pieces): Handle @var{name}. Ludovic Courtès 2020-05-25doc: Remove one use of 'file-append*'....* doc/build.scm (texinfo-manual-source)[build]: Use 'file-append', not 'file-append*', for 'htmlxref.cnf', to ensure it has the right basename. Ludovic Courtès 2020-05-18doc: Inherit md5.scm fix in custom 'guile-lib' variant....* doc/build.scm (guile-lib/htmlprag-fixed)[source]: Remove. [arguments]: Add 'fix-htmlprag' phase. Ludovic Courtès 2020-05-02doc: Fix building the cookbook....Fixes <https://debbugs.gnu.org/cgi/bugreport.cgi?bug=40803>. Reported by "operator.name" <operator.name@protonmail.com>. * doc/build.scm (%languages): Add smaller list for the cookbook. (syntax-highlighted-html): Adapt regexp for mono-node files to include the cookbook. Björn Höfling 2020-04-21doc: Include *.json files in the source....This is a followup to c9f321e52a99dea93fcc099372ea0167150b9aac. * doc/build.scm (texinfo-manual-source)[build]: Add *.json to #$output. Ludovic Courtès 2020-04-13doc: Improve anchor collection....This allows us to catch "operating_002dsystem-1", for instance. * doc/build.scm (syntax-highlighted-html)[build](anchor-id->key): Drop "-1" & co. from ID. Ludovic Courtès 2020-04-13doc: Avoid invalid 'match' pattern in 'syntax-highlighted-html'....This is a followup to da9deba13d551e316f5a99a614834efa27ddc7d1. Last-minute modification of the 'match' pattern would lead to an error: "multiple ellipsis patterns not allowed at same level" * doc/build.scm (syntax-highlighted-html)[build](collect-anchors): Add 'worthy-entry?' procedure and use it instead of the unsupported pattern for ('dt ...). Ludovic Courtès 2020-04-13doc: Emit hyperlinks in HTML output for @lisp snippets....This makes it easier to jump to the definition of a procedure or variable when looking at a code snippet. There can be false-positive because scoping rules are ignored, for example, but it should be a good approximation. * doc/build.scm (syntax-highlighted-html)[build](highlights->sxml*): Add 'anchors' parameter. Add clause for ('symbol text). (syntax-highlight): Add 'anchors' parameter. Wrap body in named let and use it in recursive calls. Pass ANCHORS to 'highlights->sxml*'. (underscore-decode, anchor-id->key, collect-anchors, html?): New procedures. (process-file): Add 'anchors' parameter. and honor it. Rewrite mono-node and multi-node HTML files separately. Ludovic Courtès 2020-01-12doc: Make sure 'htmlxref.cnf' is honored....Fixes <https://bugs.gnu.org/39060>. Reported by Tobias Geerinckx-Rice <me@tobias.gr>. * doc/build.scm (html-manual)[build]: Copy 'htmlxref.cnf' to the current directory so that 'makeinfo' honors it. Ludovic Courtès 2019-11-28doc: Handle right arrows in 'syntax-highlighted-html'....* doc/build.scm (syntax-highlighted-html)[build](entity->string): Add "rarr". Ludovic Courtès 2019-10-22doc: Use the right title in HTML indices for the cookbook....* doc/build.scm (html-manual-indexes): Add #:title. [build]: Replace "GNU Guix Reference Manual" by references to TITLE. Ludovic Courtès 2019-10-21doc: More responsive online manual....* doc/build.scm (%makeinfo-html-options): Add viewport to all generated html pages for better mobile device support. Julien Lepiller 2019-10-21doc: Add support for "guix-cookbook.texi" to 'build.scm'....* doc/build.scm (%manual): New variable. (html-manual): #:manual now defaults to %MANUAL. [build]: Define 'language->texi-file-name' and use it. Filter out items of LANGUAGES that lack a .texi file. (pdf-manual, html-manual-indexes, pdf+html-manual): #:manual now defaults to %MANUAL. Ludovic Courtès 2019-09-25doc: Support paren matching via CSS hover....* doc/build.scm (syntax-highlighted-html)[build](pair-open/close) (highlights->sxml*): New procedures. (syntax-highlight): Use 'highlights->sxml*'. Ludovic Courtès 2019-09-07doc: Work around (htmlprag) parser issue....* doc/build.scm (guile-lib/htmlprag-fixed): New variable. (syntax-highlighted-html): Use it instead of GUILE-LIB. Ludovic Courtès 2019-09-07doc: Highlight Scheme syntax in the HTML output....* doc/build.scm (syntax-highlighted-html): New procedure. (html-manual): Use it. Ludovic Courtès