TODO

   1 -*- mode: org; coding: utf-8; -*-
   2
   3 #+TITLE: What's left to do?
   4 #+STARTUP: content hidestars
   5
   6 Copyright © 2012, 2013, 2014 Ludovic Courtès <ludo@gnu.org>
   7
   8   Copying and distribution of this file, with or without modification,
   9   are permitted in any medium without royalty provided the copyright
  10   notice and this notice are preserved.
  11
  12 * Add `guix publish' to publish the store using Guile's web server
  13
  14 Generate narinfos and nars on the fly, upon HTTP GET requests.
  15 Ideally, extend .nix-cache-info to include the server's public key, and also
  16 reply to requests for .narinfo.sig.
  17 Optionally, use Guile-Avahi to publish the service.
  18
  19 * MAYBE Add a substituter that uses the GNUnet DHT or [[http://libswift.org][libswift]]
  20
  21 Would be neat if binaries could be pushed to and pulled from the GNUnet DHT or
  22 rather libswift (since DHTs aren’t suited for large payloads).  Guix users
  23 would sign their binaries, and define which binaries they trust.
  24
  25 Use UPnP and similar to traverse NAT, like ‘filegive’ does.
  26
  27 * user interface
  28 ** add guile-ncurses interface
  29
  30 * extend <package>
  31 ** add ‘recommends’ field
  32
  33 For instance, glibc, binutils, gcc, and ld-wrapper would recommend each other.
  34 ‘guix package -i’ could ask interactively (?), or allow users to follow all or
  35 none of the recommendations.
  36
  37 ** add a ‘user-environment-hook’
  38
  39 This should specify builder code to be run when building a user
  40 environment with ‘guix-package’.  For instance, Texinfo’s hook would
  41 create a new ‘dir’.
  42
  43 ** extend ‘propagated-build-inputs’ with support for multiple outputs
  44
  45 #+BEGIN_SRC scheme
  46   (outputs '("out" "include"))
  47   (propagated-build-inputs
  48     `(((("i1" ,p1 "o1")
  49         ("i2" ,p2))
  50        => "include")
  51       ("i3" ,p3)))
  52 #+END_SRC
  53
  54 * synchronize non-GNU package descriptions with the [[http://directory.fsf.org][FSD]]
  55
  56 Meta-data for GNU packages, including descriptions and synopses, can be
  57 dumped from the FSD:
  58 http://directory.fsf.org/wiki?title=GNU/Export&action=purge .
  59 We could periodically synchronize with that.
  60
  61 * add a guildhall build system
  62
  63 The Guildhall is Guile’s packaging system.  It should be easy to add a
  64 ‘guildhall-build-system’ that does the right thing based on guildhall
  65 recipes.
  66
  67 * union
  68
  69 Support sophisticated collision handling when building a union: honor
  70 per-package priorities, etc.
  71
  72 * add GUIX_ALLOW_EXPENSIVE_TESTS
  73
  74 Tests that need to download stuff or otherwise take a long time would only be
  75 run when that is defined.
  76
  77 * add "guix challenge"
  78
  79 Would download a substitute, and compare its contents against a (hopefully
  80 locally-built) copy.
  81
  82 * guix build utils
  83 ** MAYBE Change ‘ld-wrapper’ to add RPATH for libs passed by file name
  84
  85 ** MAYBE Add equivalent to chrpath that uses [[https://gitorious.org/guile-dlhacks/guile-dlhacks/][guile-dlhacks]]
  86
  87 ** MAYBE Add a hash-rewriting thing for deep dependency replacement without rebuild
  88
  89 See [[https://github.com/NixOS/nixpkgs/commit/d1662d715514e6ef9d3dc29f132f1b3d8e608a18][Shea Levy's `replace-dependency' in Nixpkgs]].
  90
  91 * distro
  92 ** port to GNU/Hurd, aka. ‘i686-gnu’
  93
  94 Problems include that current glibc releases do not build on GNU/Hurd.
  95 In addition, there haven’t been stable releases of GNU Mach, MiG, and
  96 Hurd, which would be a pre-condition.
  97