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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
e second argument to 'make-parameter'. (process-query): Call 'warn-about-missing-authentication' when (%allow-unauthenticated-substitutes?) is #t. (guix-substitute): Wrap body in 'parameterize'. Set 'guix-warning-port' too. No longer exit when 'substitute-urls' returns the empty list. No longer print newline initially. * tests/substitute.scm (test-quit): Parameterize 'current-error-port' to account for the port changes in 'guix-substitute'. Ludovic Courtès 2020-08-24Use "guile-zlib" and "guile-lzlib" instead of (guix config)....* Makefile.am (MODULES): Remove guix/zlib.scm and guix/lzlib.scm, (SCM_TESTS): remove tests/zlib.scm, tests/lzlib.scm. * build-aux/build-self.scm (make-config.scm): Remove unused %libz variable. * configure.ac: Remove LIBZ and LIBLZ variables and check instead for Guile-zlib and Guile-lzlib. * doc/guix.texi ("Requirements"): Remove zlib requirement and add Guile-zlib and Guile-lzlib instead. * gnu/packages/package-management.scm (guix)[native-inputs]: Add "guile-zlib" and "guile-lzlib", [inputs]: remove "zlib" and "lzlib", [propagated-inputs]: ditto, [arguments]: add "guile-zlib" and "guile-lzlib" to Guile load path. * guix/config.scm.in (%libz, %liblz): Remove them. * guix/lzlib.scm: Remove it. * guix/man-db.scm: Use (zlib) instead of (guix zlib). * guix/profiles.scm (manual-database): Do not stub (guix config) in imported modules list, instead add "guile-zlib" to the extension list. * guix/scripts/publish.scm: Use (zlib) instead of (guix zlib) and (lzlib) instead of (guix lzlib), (string->compression-type, effective-compression): do not check for zlib and lzlib availability. * guix/scripts/substitute.scm (%compression-methods): Do not check for lzlib availability. * guix/self.scm (specification->package): Add "guile-zlib" and "guile-lzlib" and remove "zlib" and "lzlib", (compiled-guix): remove "zlib" and "lzlib" arguments and add guile-zlib and guile-lzlib to the dependencies, also do not pass "zlib" and "lzlib" to "make-config.scm" procedure, (make-config.scm): remove "zlib" and "lzlib" arguments as well as %libz and %liblz variables. * guix/utils.scm (lzip-port): Use (lzlib) instead of (guix lzlib) and do not check for lzlib availability. * guix/zlib.scm: Remove it. * m4/guix.m4 (GUIX_LIBZ_LIBDIR, GUIX_LIBLZ_FILE_NAME): Remove them. * tests/lzlib.scm: Use (zlib) instead of (guix zlib) and (lzlib) instead of (guix lzlib), and do not check for zlib and lzlib availability. * tests/publish.scm: Ditto. * tests/substitute.scm: Do not check for lzlib availability. * tests/utils.scm: Ditto. * tests/zlib.scm: Remove it. Mathieu Othacehe 2019-11-27substitute: Make '%allow-unauthenticated-substitutes?' public....* guix/scripts/substitute.scm (warn-about-missing-authentication): New procedure. (%allow-unauthenticated-substitutes?): Turn into a public parameter and use 'warn-about-missing-authentication'. (valid-narinfo?): Adjust accordingly. * tests/substitute.scm (call-with-narinfo): Likewise. Ludovic Courtès 2019-06-02substitute: Select the best compression methods....When a server publishes several URLs with different compression methods, 'guix substitute' can now choose the best one among the compression methods that it supports. * guix/scripts/substitute.scm (<narinfo>)[uri]: Replace with... [uris]: ... this. [compression]: Replace with... [compressions]: ... this. [file-size]: Replace with... [file-sizes]: ... this. [file-hash]: Replace with... [file-hashes]: ... this. (narinfo-maker): Adjust accordingly. Ensure 'file-sizes' and 'file-hashes' have the right length. (assert-valid-signature, valid-narinfo?): Use the first element of 'narinfo-uris' in error messages. (read-narinfo): Expect "URL", "Compression", "FileSize", and "FileHash" to occur multiple times. (display-narinfo-data): Call 'select-uri' to determine the file size. (%compression-methods): New variable. (supported-compression?, compresses-better?, select-uri): New procedures. (process-substitution): Call 'select-uri' to select the URI and compression. * guix/scripts/weather.scm (report-server-coverage): Account for all the values returned by 'narinfo-file-sizes'. * tests/substitute.scm ("substitute, narinfo with several URLs"): New test. Ludovic Courtès 2018-12-14substitute: Ignore irrelevant narinfo signatures....Fixes <https://bugs.gnu.org/33733>. Fixes a bug whereby 'guix substitute' would accept narinfos whose signature does not cover the StorePath/NarHash/References tuple. * guix/scripts/substitute.scm (narinfo-sha256)[%mandatory-fields]: New variable. Compute SIGNED-FIELDS; return #f unless each of the %MANDATORY-FIELDS is among SIGNED-FIELDS. * tests/substitute.scm ("query narinfo with signature over nothing") ("query narinfo with signature over irrelevant bits"): New tests. Ludovic Courtès