nixos: nixos/doc/manual/development/meta-attributes.xml to CommonMark
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Bobby Rong
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nixos/doc/manual/development/meta-attributes.section.md
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40
nixos/doc/manual/development/meta-attributes.section.md
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# Meta Attributes {#sec-meta-attributes}
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Like Nix packages, NixOS modules can declare meta-attributes to provide
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extra information. Module meta attributes are defined in the `meta.nix`
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special module.
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`meta` is a top level attribute like `options` and `config`. Available
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meta-attributes are `maintainers` and `doc`.
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Each of the meta-attributes must be defined at most once per module
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file.
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```nix
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{ config, lib, pkgs, ... }:
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{
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options = {
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...
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};
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config = {
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...
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};
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meta = {
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maintainers = with lib.maintainers; [ ericsagnes ];
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doc = ./default.xml;
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};
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}
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```
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- `maintainers` contains a list of the module maintainers.
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- `doc` points to a valid DocBook file containing the module
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documentation. Its contents is automatically added to
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[](#ch-configuration). Changes to a module documentation have to
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be checked to not break building the NixOS manual:
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```ShellSession
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$ nix-build nixos/release.nix -A manual.x86_64-linux
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```
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@ -1,63 +0,0 @@
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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-meta-attributes">
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<title>Meta Attributes</title>
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<para>
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Like Nix packages, NixOS modules can declare meta-attributes to provide extra
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information. Module meta attributes are defined in the
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<filename
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xlink:href="https://github.com/NixOS/nixpkgs/blob/master/nixos/modules/misc/meta.nix">meta.nix</filename>
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special module.
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</para>
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<para>
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<literal>meta</literal> is a top level attribute like
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<literal>options</literal> and <literal>config</literal>. Available
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meta-attributes are <literal>maintainers</literal> and
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<literal>doc</literal>.
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</para>
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<para>
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Each of the meta-attributes must be defined at most once per module file.
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</para>
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<programlisting>
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{ config, lib, pkgs, ... }:
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{
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options = {
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...
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};
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config = {
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...
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};
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meta = {
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maintainers = with lib.maintainers; [ ericsagnes ]; <co
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xml:id='modules-meta-1' />
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doc = ./default.xml; <co xml:id='modules-meta-2' />
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};
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}
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</programlisting>
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<calloutlist>
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<callout arearefs='modules-meta-1'>
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<para>
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<varname>maintainers</varname> contains a list of the module maintainers.
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</para>
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</callout>
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<callout arearefs='modules-meta-2'>
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<para>
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<varname>doc</varname> points to a valid DocBook file containing the module
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documentation. Its contents is automatically added to
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<xref
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linkend="ch-configuration"/>. Changes to a module documentation
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have to be checked to not break building the NixOS manual:
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</para>
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<screen><prompt>$ </prompt>nix-build nixos/release.nix -A manual.x86_64-linux</screen>
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</callout>
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</calloutlist>
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</section>
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@ -183,7 +183,7 @@ in {
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<xi:include href="../from_md/development/option-types.section.xml" />
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<xi:include href="../from_md/development/option-def.section.xml" />
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<xi:include href="../from_md/development/assertions.section.xml" />
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<xi:include href="meta-attributes.xml" />
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<xi:include href="../from_md/development/meta-attributes.section.xml" />
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<xi:include href="importing-modules.xml" />
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<xi:include href="replace-modules.xml" />
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<xi:include href="freeform-modules.xml" />
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<section xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink" xml:id="sec-meta-attributes">
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<title>Meta Attributes</title>
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<para>
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Like Nix packages, NixOS modules can declare meta-attributes to
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provide extra information. Module meta attributes are defined in the
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<literal>meta.nix</literal> special module.
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</para>
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<para>
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<literal>meta</literal> is a top level attribute like
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<literal>options</literal> and <literal>config</literal>. Available
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meta-attributes are <literal>maintainers</literal> and
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<literal>doc</literal>.
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</para>
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<para>
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Each of the meta-attributes must be defined at most once per module
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file.
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</para>
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<programlisting language="bash">
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{ config, lib, pkgs, ... }:
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{
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options = {
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...
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};
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config = {
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...
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};
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meta = {
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maintainers = with lib.maintainers; [ ericsagnes ];
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doc = ./default.xml;
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};
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}
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</programlisting>
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<itemizedlist>
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<listitem>
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<para>
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<literal>maintainers</literal> contains a list of the module
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maintainers.
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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>doc</literal> points to a valid DocBook file containing
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the module documentation. Its contents is automatically added to
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<xref linkend="ch-configuration" />. Changes to a module
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documentation have to be checked to not break building the NixOS
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manual:
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</para>
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<programlisting>
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$ nix-build nixos/release.nix -A manual.x86_64-linux
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</programlisting>
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</listitem>
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</itemizedlist>
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</section>
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