143 lines
4.1 KiB
XML
143 lines
4.1 KiB
XML
<section xmlns="http://docbook.org/ns/docbook"
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xmlns:xlink="http://www.w3.org/1999/xlink"
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xmlns:xi="http://www.w3.org/2001/XInclude"
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version="5.0"
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xml:id="sec-release-17.03">
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<title>Release 17.03 (“XXX”, 2017/03/??)</title>
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<para>In addition to numerous new and upgraded packages, this release
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has the following highlights: </para>
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<itemizedlist>
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<listitem>
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<para>Nixpkgs is now extensible through overlays. See the <link
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xlink:href="https://nixos.org/nixpkgs/manual/#sec-overlays-install">Nixpkgs
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manual</link> for more information.</para>
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</listitem>
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</itemizedlist>
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<para>The following new services were added since the last release:</para>
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<itemizedlist>
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<listitem>
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<para></para>
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</listitem>
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</itemizedlist>
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<para>When upgrading from a previous release, please be aware of the
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following incompatible changes:</para>
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<itemizedlist>
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<listitem>
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<para>
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<literal>stdenv.overrides</literal> is now expected to take <literal>self</literal>
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and <literal>super</literal> arguments. See <literal>lib.trivial.extends</literal>
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for what those parameters represent.
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</para>
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</listitem>
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<listitem>
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<para>
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<literal>gnome</literal> alias has been removed along with
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<literal>gtk</literal>, <literal>gtkmm</literal> and several others.
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Now you need to use versioned attributes, like <literal>gnome3</literal>.
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</para>
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</listitem>
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<listitem>
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<para>
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The attribute name of the Radicale daemon has been changed from
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<literal>pythonPackages.radicale</literal> to
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<literal>radicale</literal>.
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</para>
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</listitem>
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<listitem>
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<para>
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The Yama LSM is now enabled by default in the kernel,
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which prevents ptracing non-child processes.
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This means you will not be able to attach gdb to an existing process,
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but will need to start that process from gdb (so it is a child).
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</para>
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</listitem>
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<listitem>
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<para>
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The <literal>stripHash</literal> bash function in <literal>stdenv</literal>
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changed according to its documentation; it now outputs the stripped name to
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<literal>stdout</literal> instead of putting it in the variable
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<literal>strippedName</literal>.
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</para>
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</listitem>
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<listitem>
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<para>PHP now scans for extra configuration .ini files in /etc/php.d
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instead of /etc. This prevents accidentally loading non-PHP .ini files
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that may be in /etc.
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</para>
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</listitem>
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<listitem>
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<para>
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Parsoid service now uses YAML configuration format.
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<literal>service.parsoid.interwikis</literal> is now called
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<literal>service.parsoid.wikis</literal> and is a list of either API URLs
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or attribute sets as specified in parsoid's documentation.
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</para>
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</listitem>
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<listitem>
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<para>
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<literal>Ntpd</literal> was replaced by
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<literal>systemd-timesyncd</literal> as the default service to synchronize
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system time with a remote NTP server. The old behavior can be restored by
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setting <literal>services.ntp.enable</literal> to <literal>true</literal>.
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Upstream time servers for all NTP implementations are now configured using
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<literal>networking.timeServers</literal>.
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</para>
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</listitem>
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<listitem>
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<para><literal>overridePackages</literal> function no longer exists.
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It is replaced by <link
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xlink:href="https://nixos.org/nixpkgs/manual/#sec-overlays-install">
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overlays</link>. For example, the following code:
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<programlisting>
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let
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pkgs = import <nixpkgs> {};
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in
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pkgs.overridePackages (self: super: ...)
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</programlisting>
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should be replaced by:
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<programlisting>
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let
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pkgs = import <nixpkgs> {};
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in
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import pkgs.path { overlays = [(self: super: ...)] }
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</programlisting>
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</para>
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</listitem>
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</itemizedlist>
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<para>Other notable improvements:</para>
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<itemizedlist>
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<listitem>
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<para>Module type system have a new extensible option types feature that
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allow to extend certain types, such as enum, through multiple option
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declarations of the same option across multiple modules.
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</para>
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</listitem>
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</itemizedlist>
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</section>
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