website: gnu-guix-1.2.0-released: Tweak.
* website/drafts/gnu-guix-1.2.0-released.md: Tweak.
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Ludovic Courtès
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title: DRAFT GNU Guix 1.2.0 released
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date: 2020-11-23 14:00:00
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title: GNU Guix 1.2.0 released
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date: 2020-11-23 15:30:00
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author: Ludovic Courtès
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slug: gnu-guix-1.2.0-released
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tags: Releases, Security
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@ -7,7 +7,7 @@ tags: Releases, Security
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We are pleased to announce the release of GNU Guix version 1.2.0, right
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in time to celebrate [the eight anniversary of
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in time to celebrate [the eighth anniversary of
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Guix](https://lists.gnu.org/archive/html/gnu-system-discuss/2012-11/msg00000.html)!
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The release comes with [ISO-9660 installation
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@ -29,6 +29,12 @@ translation, web site updates, Outreachy mentoring, you name it!
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There’s been more than 10,200 commits in that time frame and it is the
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challenge of these release notes to summarize all that activity.
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> Before reading any further, sit back and play [this very special
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> release tune, _Ode to One Two
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> Oh_](https://guix.gnu.org/audio/ode-to-one-two-oh.ogg)
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> ([lyrics](https://guix.gnu.org/audio/ode-to-one-two-oh.txt)) brought
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> to you by your friendly Guix team—see credits below!
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### Security
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A major highlight in this release is the ability to *authenticate
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@ -41,11 +47,11 @@ retrieve unauthorized commits to the official Guix repository. We
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[detailed the design and
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implementation](https://guix.gnu.org/en/blog/2020/securing-updates/)
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back in July. The manual explains [what you need to know as a
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user](https://guix.gnu.org/manual/devel/en/html_node/Channel-Authentication.html)
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user](https://guix.gnu.org/manual/en/html_node/Channel-Authentication.html)
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and [as a channel
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author](https://guix.gnu.org/manual/devel/en/html_node/Specifying-Channel-Authorizations.html).
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author](https://guix.gnu.org/manual/en/html_node/Specifying-Channel-Authorizations.html).
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There’s also a new [`guix git authenticate`
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command](https://guix.gnu.org/manual/devel/en/html_node/Invoking-guix-git-authenticate.html)
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command](https://guix.gnu.org/manual/en/html_node/Invoking-guix-git-authenticate.html)
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to use this authentication mechanism for arbitrary Git repositories!
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@ -57,7 +63,7 @@ system, which could potentially reintroduce exploitable vulnerabilities
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in the software you run.
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With these safeguards in place, we have added an [*unattended upgrade
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service*](https://guix.gnu.org/manual/devel/en/html_node/Unattended-Upgrades.html)
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service*](https://guix.gnu.org/manual/en/html_node/Unattended-Upgrades.html)
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that, in a nutshell, runs `guix pull && guix system reconfigure`
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periodically. Unattended upgrades _and_ peace of mind.
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@ -70,7 +76,7 @@ on x86_64 and i686, thanks to tireless work on
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On the same security theme, the build daemon and [`origin`
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programming
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interface](https://guix.gnu.org/manual/devel/en/html_node/origin-Reference.html)
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interface](https://guix.gnu.org/manual/en/html_node/origin-Reference.html)
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now accept *new cryptographic hash functions* (in particular SHA-3 and
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BLAKE2s) for [“fixed-output
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derivations”](https://guix.gnu.org/manual/en/html_node/Derivations.html)—so
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@ -89,7 +95,9 @@ users will appreciate the fact that `guix help` now gives a clear
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overview of the available commands, that `guix` commands are less
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verbose by default (they no longer display a lengthy list of things that
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they’ll download), and that `guix pull` displays a progress bar as it
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updates its Git checkout.
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updates its Git checkout. `guix search`, `guix system search`, and
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similar commands now invoke a pager automatically (`less` by default),
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addressing an oft-reported annoyance.
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*Performance improved in several places*. Use of the new [“baseline
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compiler” that landed in
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@ -105,7 +113,7 @@ We’re giving users more flexibility on the command line, with the
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addition of three [*package transformation
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options*](https://guix.gnu.org/manual/en/html_node/Package-Transformation-Options.html):
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`--with-debug-info` ([always debug in good
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conditions](https://guix.gnu.org/manual/devel/en/html_node/Rebuilding-Debug-Info.html)!),
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conditions](https://guix.gnu.org/manual/en/html_node/Rebuilding-Debug-Info.html)!),
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`--with-c-toolchain`, and `--without-tests`. Transformations are now
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recorded in the profile and replayed upon `guix upgrade`. Furthermore,
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those options now operate on the whole dependency graph, including
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@ -118,14 +126,14 @@ guix install --with-input=python=python2 python-itsdangerous
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Last, the new `(guix transformations)` module provides [an interface
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to the transformation options available at the command
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line](https://guix.gnu.org/manual/devel/en/html_node/Defining-Package-Variants.html),
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line](https://guix.gnu.org/manual/en/html_node/Defining-Package-Variants.html),
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which is useful if you want to use such transformations in a manifest.
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The *reference manual* has been expounded: there’s a new [“Getting
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Started”
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section](https://guix.gnu.org/manual/devel/en/html_node/Getting-Started.html),
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section](https://guix.gnu.org/manual/en/html_node/Getting-Started.html),
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the [“Programming Interface”
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section](https://guix.gnu.org/manual/devel/en/html_node/Programming-Interface.html)
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section](https://guix.gnu.org/manual/en/html_node/Programming-Interface.html)
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contains more info for packagers. We added code examples in many
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places; in the on-line copy of the manual, identifiers in those code
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snippets are clickable, linking to the right place in the Guix or Guile
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@ -156,7 +164,7 @@ Support for *whole-system cross-compilation*—as in
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`guix system build --target=arm-linux-gnueabihf config.scm`—has been
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improved. That, together with a lot of porting work both for packages
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and for the Guix System machinery, brings [the `hurd-vm`
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service](https://guix.gnu.org/manual/devel/en/html_node/Virtualization-Services.html#index-hurd_002dvm_002dservice_002dtype)—a
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service](https://guix.gnu.org/manual/en/html_node/Virtualization-Services.html#index-hurd_002dvm_002dservice_002dtype)—a
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cross-compiled Guix GNU/Hurd system [running as a virtual machine under
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GNU/Linux](https://guix.gnu.org/en/blog/2020/childhurds-and-substitutes/).
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This in turn has let us start work on native GNU/Hurd support.
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@ -164,7 +172,7 @@ This in turn has let us start work on native GNU/Hurd support.
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Related to this, the new `(gnu image)` module implements a flexible
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interface to operating system images; from the command line, it is
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accessible _via_ [`guix system disk-image
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--image-type=TYPE`](https://guix.gnu.org/manual/devel/en/html_node/Invoking-guix-system.html).
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--image-type=TYPE`](https://guix.gnu.org/manual/en/html_node/Invoking-guix-system.html).
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Several _image types_ are supported: compressed ISO-9660, qcow2
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containing ext4 partitions, ext2 with Hurd options, and so on. This is
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currently implemented using
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@ -173,18 +181,18 @@ currently implemented using
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In addition to those already mentioned, a dozen of new system services
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are available, including services for
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[Ganeti](https://guix.gnu.org/en/blog/2020/running-a-ganeti-cluster-on-guix/),
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[LXQt](https://guix.gnu.org/manual/devel/en/html_node/Desktop-Services.html#index-lxqt_002ddesktop_002dservice_002dtype),
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[R Shiny](https://guix.gnu.org/manual/devel/en/html_node/Miscellaneous-Services.html#index-rshiny_002dservice_002dtype),
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[Gemini](https://guix.gnu.org/manual/devel/en/html_node/Web-Services.html#index-gmnisrv),
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[LXQt](https://guix.gnu.org/manual/en/html_node/Desktop-Services.html#index-lxqt_002ddesktop_002dservice_002dtype),
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[R Shiny](https://guix.gnu.org/manual/en/html_node/Miscellaneous-Services.html#index-rshiny_002dservice_002dtype),
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[Gemini](https://guix.gnu.org/manual/en/html_node/Web-Services.html#index-gmnisrv),
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and [Guix Build
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Coordinator](https://guix.gnu.org/manual/devel/en/html_node/Guix-Services.html).
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Coordinator](https://guix.gnu.org/manual/en/html_node/Guix-Services.html).
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2,000 packages have been added, for a total of [more than 15K
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packages](https://guix.gnu.org/en/packages); 3,652 were upgraded. The
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distribution comes with GNU libc 2.31, GCC 10.2, GNOME 3.34,
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Xfce 4.14.2, Linux-libre 5.9.3, and LibreOffice 6.4.6.2 to name a few.
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There’s also a new [build system for packages built with
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Maven](https://guix.gnu.org/manual/devel/en/html_node/Build-Systems.html#index-maven_002dbuild_002dsystem)
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Maven](https://guix.gnu.org/manual/en/html_node/Build-Systems.html#index-maven_002dbuild_002dsystem)
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(bootstrapping Maven in Guix was the topic of [a talk at the Guix Days
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last week](https://guix.gnu.org/en/blog/2020/online-guix-day-announce-2/)).
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@ -209,7 +217,9 @@ Enjoy!
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### Credits
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> Illustration: Luis Felipe — Debian packaging: Vagrant Cascadian
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> Ricardo Wurmus (bass, drums, vocals, lyrics) — Luis Felipe
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> (illustration) — Vagrant Cascadian (Debian packaging, lyrics) —
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> Festival (back vocals)
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#### About GNU Guix
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