89 lines
3.1 KiB
XML
89 lines
3.1 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-19.03">
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<title>Release 19.03</title>
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<para>
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The 19.03 release branch became the stable branch in April, 2019.
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</para>
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<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-19.03-highlights">
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<title>Highlights</title>
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<para>
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This release has the following notable changes:
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</para>
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<itemizedlist>
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<listitem>
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<para>
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The <option>home.file.<name?>.source</option> now allows source
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files to be hidden, that is, having a name starting with the
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<literal>.</literal> character. It also allows the source file name to
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contain characters not typically allowed for Nix store paths. For example,
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your configuration can now contain things such as
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<programlisting>
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home.file."my file".source = ./. + "/file with spaces!";
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</programlisting>
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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 type used for the systemd unit options under
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<option>systemd.user.services</option>,
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<option>systemd.user.sockets</option>, etc. has been changed to offer more
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robust merging of configurations. If you don't override values within
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systemd units then you are not affected by this change. Unfortunately, if
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you do override unit values you may encounter errors.
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</para>
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<para>
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In particular, if you get an error saying that a <quote>unique
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option</quote> is <quote>defined multiple times</quote> then you need to
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use the
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<code xlink:href="https://nixos.org/nixos/manual/#sec-option-definitions-setting-priorities">mkForce</code>
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function. For example,
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<programlisting language="nix">
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systemd.user.services.foo.Service.ExecStart = "/foo/bar";
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</programlisting>
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becomes
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<programlisting language="nix">
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systemd.user.services.foo.Service.ExecStart = lib.mkForce "/foo/bar";
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</programlisting>
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We had to make this change because the old merging was causing too many
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confusing situations for people.
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</para>
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</listitem>
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</itemizedlist>
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</section>
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<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-19.03-state-version-changes">
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<title>State Version Changes</title>
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<para>
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The state version in this release includes the changes below. These changes
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are only active if the <option>home.stateVersion</option> option is set to
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"19.03" or later.
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</para>
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<itemizedlist>
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<listitem>
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<para>
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There is now an option <option>programs.beets.enable</option> that
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defaults to <literal>false</literal>. Before the module would be active if
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the <option>programs.beets.settings</option> option was non-empty.
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</para>
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</listitem>
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</itemizedlist>
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</section>
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</section>
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