guix-devel/NEWS

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-*- org -*-
#+TITLE: Guix NEWS history of user-visible changes
#+STARTUP: content hidestars
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Copyright © 2013 Ludovic Courtès <ludo@gnu.org>
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.
Please send Guix bug reports to bug-guix@gnu.org.
2013-12-10 21:53:59 +01:00
* Changes in 0.5 (since 0.4)
** Package management
*** GNU package descriptions synchronized with the gnumaint repository
In addition to synopses, descriptions of GNU packages are now kept in sync
with the gnumaint repository, which is the canonical place for GNU package
meta-data.
** Programming interfaces
*** Patches are now listed as part of origin
The origin form supports two new fields: patches (list of patches), and
snippet (code snippet to modify the source.) These are applied when running
guix build --source. See “Defining Packages” in the manual.
*** New (guix monads) monadic interface to operate on the store
See “The Store Monad” in the manual. The (gnu system …) modules have been
rewritten to use this monadic interface.
*** New (guix profiles) module
It provides an API for dealing with profiles, as with the guix package
command.
*** New (gnu system) module
This module provides generic way to describe the systems configuration, and
to instantiate it, regardless of the final medium (QEMU image, etc.)
See “System Configuration” in the manual.
This is work in progress. Send feedback to guix-devel@gnu.org!
*** build-expression->derivation uses more parameters
Some positional parameters have been changed to keyword parameters.
See “Derivations” in the manual.
** GNU distribution
*** New port to the Loongson MIPS64 processors, n32 ABI (mips64el-linux)
Bootstrap binaries have been built for that architecture, as several
Loongson-specific patches not yet available upstream have been applied to core
packages. See “GNU Distribution” and “Porting” in the manual.
Pre-built binaries are not yet available via hydra.gnu.org, so Guix will
build by itself on this platform.
*** XXX new packages
*** XXX package updates
*** Packages are now built with GCC 4.8.2 by default (was 4.7.3)
** Native language support
*** New sr (Serbian) translation
*** New vi (Vietnamese) translation
*** Updated pt_BR (Brazilian Portuguese) translation
** Bugs fixed
*** guix-daemon always sets umask to 022
(http://lists.gnu.org/archive/html/bug-guix/2013-07/msg00033.html)
*** guix pull compiles Guix in a deterministically and correctly
Previously, the build environment was not cleared in between compile-file
calls, leading to build errors due to Guile bug http://bugs.gnu.org/15602 .
*** guix package allows removal of a specific package output
(http://bugs.gnu.org/15756)
*** Files referenced by environment variables are protected from GC
*** bootstrap-graph.{png,eps,pdf} built in srcdir (http://bugs.gnu.org/15640)
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* Changes in 0.4 (since 0.3)
** Package management
*** New --list-generations and --delete-generations options
The guix package command has these two new options, which make it easier to
deal with a profiles generation. See “Invoking guix package” in the manual.
*** New guix-register program
This program allows the meta-data of a new store to be initialized, by
copying info from an existing store. It is mostly an internal tool.
** Programming interfaces
*** New API to bootstrap Autotools-based packages
The (guix build-system gnu) has a new dist-package procedure that takes a
package object and source directory, and returns a new package object that
runs ./bootstrap && make dist or anything similar.
*** derivation and related procedures have a #:references-graphs parameter
This parameter instructs the build daemon to populate the derivations build
tree with files containing the list of references of the given store files.
This is useful to write code that copies a packages and all its dependencies
to another storage device, such as a QEMU disk image.
*** Extended API to build a GNU system virtual machine image
The (gnu system vm) module has been augmented in many ways: the qemu-image
procedure can now populate and initialize the images store; the new
system-qemu-image procedure returns a QEMU image that runs dmd as its init
system, has login running on several consoles, has a set of installed
packages, and where Guix can be used.
New (gnu system …) modules have been added to handle the configuration of the
various parts of a GNU/Linux system. For instance, (gnu system dmd) provides
support for instantiating dmd services; (gnu system linux) helps with Linux
PAM configuration; and so on.
*** <derivation> objects supersede .drv file names in the API
derivation and similar procedures no longer return two values (a
<derivation> and a .drv file name); they now return a single value, which is
a <derivation> object. The <derivation> object embeds the corresponding .drv
file name. See “Derivations” in the manual for details.
** GNU distribution
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*** 60 new packages
apr, apr-util, cdparanoia, dbus-glib, dfc, dmd, dvdisaster, exiv2, fetchmail,
freefont-ttf, freeglut, geeqie, git, gkrellm, glu, gnome-doc-utils,
gst-plugins-base, gstreamer, guile-cairo, guile-lib, guile-xcb, guix, htop,
itstool, lame, libextractor, libmicrohttpd, lightning, lzip, mingetty, mutt,
net-base, net-tools, ocrad, pspp, python-babel, python-dateutil, python-pytz,
python-setuptools, python-simplejson, python-wrapper, python2-babel,
python2-dateutil, python2-mechanize, python2-pyicu, python2-pysqlite,
python2-pytz, python2-setuptools, python2-simplejson, qemu-system-initrd,
qemu-with-multiple-smb-shares, ripperx, shadow, ttf-bitstream-vera, units,
valgrind, xmlto, xnee, yasm
*** 27 package updates
bigloo 4.0b, cairo 1.12.16, ddrescue 1.17, fontconfig 2.10.93, fplll 4.0.4,
gcc 4.7.3, gcc 4.7.3, glibc 2.18, glibc 2.18, glibc-stripped-tarball 2.18,
gnupg 2.0.21, gnutls 3.2.4, guile 2.0.9, guile 2.0.9, harfbuzz 0.9.21,
imagemagick 6.8.6-9, libdrm 2.4.46, libgcrypt 1.5.3, libjpeg 9, libksba 1.3.0,
linux-libre 3.11, m4 1.4.17, mpfrcx 0.4.2, pari-gp 2.5.4, python 2.7.5, python
3.3.2, texlive 2013
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*** Fontconfig font search path made more convenient
Fontconfig, the library used by many graphical applications, such as those
based on GTK+, now knows where to find the default set of fonts. Additional
fonts installed in the user profile are automatically picked up.
*** More GUI applications
The emacs and racket packages are now linked against GTK+. New GTK+
applications have been added (see above.)
*** Packaging guidelines
The documentation of packaging guidelines has been augmented. See the manual
under “GNU Distribution”.
*** Support for Python 3 along with Python 2
Python 3 has been added to the distribution, and Python packages that support
it are now built for both Python 2 and Python 3. See the “Python Modules”
section of the manual for details.
** Internationalization
Updated translations: eo.
** Bugs fixed
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*** Workarounds for Guile 2.0.5 now work on Debian derivatives
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*** The dependency graph image has correct size in PDF output
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*** 'ldd' now works correctly on x86_64
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*** Xorg server test suite no longer fails (http://bugs.gnu.org/15392)
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*** module-init-tools now builds (http://bugs.gnu.org/15182, http://bugs.gnu.org/15187)
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*** Hop 2.4 builds with newer Bigloo (http://bugs.gnu.org/15194)
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* Changes in 0.3 (since 0.2)
** Package management
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*** Cross-compilation support
Guix can now cross-build packages. On the command-line, this is achieved with
the new --target command-line option of guix build. At the Scheme level,
the guts of this is the package-cross-derivation procedure. Core packages
of the distribution can already be cross-compiled. See the manual for
details.
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*** New --max-silent-time option for “guix build” and “guix package”
See the manual for details.
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*** New --fallback option for “guix build” and “guix package”
This option instructs to fall back to local builds when the substituter fails
to download a substitute.
*** New --requisites option for “guix gc”
See the manual for details.
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*** New --key-download option for “guix refresh”
See the manual for details.
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** Programming interfaces
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*** New package-cross-derivation procedure in (guix derivations)
See the manual for details.
*** New %current-target-system SRFI-39 parameter
This parameter is like %current-system, but for cross-compilation. It
allows code in package definitions (such as in the arguments field) to know
whether it is being cross-compiled, and what the target system is.
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*** New (guix hash) module; new open-sha256-port and sha256-port procedures
This improves performance of SHA256 computations.
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** GNU distribution
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*** 33 new packages
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alsa-lib, babel, cairo, cvs, gcal, gcc-cross-mips64el-linux-gnuabi64, gd,
gdk-pixbuf, graphviz, grue-hunter, gtk+, gts, harfbuzz, imagemagick, iproute2,
iptables, libspectre, mpg321, noweb, pango, plotutils, privoxy, pytz, racket,
rubber, rush, strace, tk, torsocks, unrtf, vc-dwim, wordnet, xlockmore
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*** 25 package updates
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automake 1.14, ed 1.9, freeipmi 1.2.8, gawk 4.1.0, gcc 4.8.1, gettext 0.18.3,
glib 2.37.1, gmp 5.1.2, gnutls 3.2.1, gzip 1.6, help2man 1.43.3, libapr 1.4.8,
libaprutil 1.5.2, libassuan 2.1.1, libffi 3.0.13, libgc 7.2d, libgpg-error
1.12, libidn 1.28, libpng 1.5.17, lout 3.40, lsh 2.1, nettle 2.7.1, qemu
1.5.1, tzdata 2013d, xorriso 1.3.0
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*** Binary packages now available for i686-linux
The build farm at http://hydra.gnu.org now provides 32-bit GNU/Linux binaries
(i686-linux), in addition to the x86_64-linux binaries. Both can be
transparently used as substitutes for local builds on these platforms.
*** Debug info packages
Some packages now have a “debug” output containing debugging information. The
“debug” output can be used by GDB, and can be installed separately from the
other outputs of the package. See “Installing Debugging Files” in the manual.
*** Bootstrap binaries can be cross-compiled
The distribution can now be ported to new architectures (currently
GNU/Linux-only) by cross-compiling the “bootstrap binaries”. See “Porting”
in the manual.
*** Bootstrapping documented
See “Bootstrapping” in the manual, for information on how the GNU
distribution builds “from scratch”.
** Internationalization
New translations: eo, pt_BR.
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** Bugs fixed
*** “guix --help” now works when using Guile 2.0.5
*** Binary substituter multi-threading and pipe issues fixed
These could lead to random substituter crashes while substituting a binary.
See commits 0332386 and 101d9f3 for details.
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*** Binary substituter gracefully handles lack of network connectivity
*** Daemon properly handles rebuilds of multiple-output derivations
Previously it would fail when rebuilding a multiple-output derivation when
some (but not all) of its outputs were already present. See
http://lists.gnu.org/archive/html/bug-guix/2013-06/msg00038.html and
https://github.com/NixOS/nix/issues/122 .
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*** guix package -i foo:out no longer removes other outputs of foo
Previously only the out output of package foo would be kept in the
profile.
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*** Replacement (srfi srfi-37) provided if the users one is broken
When the users (srfi srfi-37) is affected by http://bugs.gnu.org/13176 (Guile
< 2.0.9), a replacement with the bug fix is provided. This bug would affect
command-line argument processing in some cases.
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* Changes in 0.2 (since 0.1)
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** Package management
*** Guix commands are now sub-commands of the “guix” program
Instead of typing “guix-package”, one now has to type “guix package”, and so
on. This has allowed us to homogenize the user interface and initial program
setup, and to allow commands to be upgradable through “guix pull”.
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*** New “guix package --upgrade” option
As the name implies, this option atomically upgrades all the packages
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installed in a profile or the set of packages matching a given regexp.
See “Invoking guix package” in the manual.
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*** New “guix package --search” option
Performs a full text search in package synopses and descriptions, and returns
the matching packages in recutils format. See “Invoking guix package” in the
manual, for details.
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*** New “guix pull” command
The command pulls the latest version of Guixboth the package management
modules and the distribution. See the manual for details.
*** New binary substituter
The “substituter” mechanism allows pre-built binaries to be transparently
downloaded instead of performing a build locally. Currently binaries are
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available for x86_64 Linux-based GNU systems from http://hydra.gnu.org. The
distribution is continuously built and binaries are made available from there.
See http://hydra.gnu.org/jobset/gnu/master under “Job status” for the list of
available binary packages.
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*** New “guix refresh” command
The command is used by Guix maintainers. It automatically updates the
distribution to the latest upstream releases of GNU software.
*** New “guix hash” command
Convenience command to compute the hash of a file. See the manual for
details.
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*** Nix daemon code updated
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The daemon code from Nix, used by the guix-daemon command, has been updated
to current Nix master.
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** Programming interfaces
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*** (guix download) now supports HTTPS, using GnuTLS
It allows package source tarballs to be retrieved over HTTPS.
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*** New native-search-path and search-path package fields
Packages can define in their native-search-path field environment variables
that define search paths and need to be set for proper functioning of the
package. For instance, GCC has CPATH and LIBRARY_PATH in its
native-search-path, Perl has PERL5LIB, Python has PYTHONPATH, etc.
These environment variables are automatically set when building a package that
uses one of these.
*** Package inputs can be a function of the target system type
The inputs field of a package can now be conditional on the value of
(%current-system). This is useful for packages that take system-dependent
tarballs as inputs, such as GNU/MIT Scheme.
*** New build systems
The perl-build-system, python-build-system, and cmake-build-system have
been added. They implement the standard build systems for Perl, Python, and
CMake packages.
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*** Tools to build Linux initrds, QEMU images, and more
The (gnu packages linux-initrd) module provides a procedure to build a Linux
initrd (“initial RAM disk”). The initrd embeds Guile, which is used to
evaluate the given expression. The example below returns an initrd that
mounts the /proc file system and starts a REPL:
(expression->initrd
'(begin
(mkdir "/proc")
(mount "none" "/proc" "proc")
((@ (system repl repl) start-repl))))
More examples in the linux-initrd.scm file.
Experimental interfaces to produce and use QEMU images are provided by the
(gnu system vm) module. For instance, the
expression->derivation-in-linux-vm evaluates the given Scheme expression in
a QEMU virtual machine running the Linux kernel and Guile.
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** GNU distribution
Many updates and additions have been made to the distribution. Here are the
highlights.
*** Major updates
GCC 4.7.3 (the default) and GCC 4.8.0, Binutils 2.23.2, Guile 2.0.9,
Coreutils 8.20, GDB 7.6, Texinfo 5.1.
*** Noteworthy new packages
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TeXLive, Xorg, GNU GRUB, GNU Parted, QEMU and QEMU-KVM, Avahi, Bigloo,
CHICKEN, Scheme48, Hugs, Python, Lua, Samba.