mirror of
https://github.com/NixOS/nixpkgs.git
synced 2024-11-19 20:21:14 +00:00
91 lines
2.1 KiB
XML
91 lines
2.1 KiB
XML
<refentry xmlns="http://docbook.org/ns/docbook"
|
|
xmlns:xlink="http://www.w3.org/1999/xlink"
|
|
xmlns:xi="http://www.w3.org/2001/XInclude">
|
|
|
|
<refmeta>
|
|
<refentrytitle><command>nixos-option</command></refentrytitle>
|
|
<manvolnum>8</manvolnum>
|
|
<refmiscinfo class="source">NixOS</refmiscinfo>
|
|
<!-- <refmiscinfo class="version"><xi:include href="version.txt" parse="text"/></refmiscinfo> -->
|
|
</refmeta>
|
|
|
|
<refnamediv>
|
|
<refname><command>nixos-option</command></refname>
|
|
<refpurpose>inspect a NixOS configuration</refpurpose>
|
|
</refnamediv>
|
|
|
|
<refsynopsisdiv>
|
|
<cmdsynopsis>
|
|
<command>nixos-option</command>
|
|
<arg choice='plain'><replaceable>option.name</replaceable></arg>
|
|
</cmdsynopsis>
|
|
</refsynopsisdiv>
|
|
|
|
|
|
<refsection><title>Description</title>
|
|
|
|
<para>This command evaluates the configuration specified in
|
|
<filename>/etc/nixos/configuration.nix</filename> and returns the properties
|
|
of the option name given as argument.</para>
|
|
|
|
<para>When the option name is not an option, the command prints the list of
|
|
attributes contained in the attribute set.</para>
|
|
|
|
</refsection>
|
|
|
|
<refsection><title>Environment</title>
|
|
|
|
<variablelist>
|
|
|
|
<varlistentry>
|
|
<term><envar>NIXOS_CONFIG</envar></term>
|
|
<listitem>
|
|
<para>Path to the main NixOS configuration module. Defaults to
|
|
<filename>/etc/nixos/configuration.nix</filename>.</para>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
</variablelist>
|
|
|
|
</refsection>
|
|
|
|
|
|
<refsection><title>Examples</title>
|
|
|
|
<para>Investigate option values:
|
|
|
|
<screen>$ nixos-option boot.loader
|
|
This attribute set contains:
|
|
generationsDir
|
|
grub
|
|
initScript
|
|
|
|
$ nixos-option boot.loader.grub.enable
|
|
Value:
|
|
true
|
|
|
|
Default:
|
|
true
|
|
|
|
Description:
|
|
Whether to enable the GNU GRUB boot loader.
|
|
|
|
Declared by:
|
|
"/nix/var/nix/profiles/per-user/root/channels/nixos/nixpkgs/nixos/modules/system/boot/loader/grub/grub.nix"
|
|
|
|
Defined by:
|
|
"/nix/var/nix/profiles/per-user/root/channels/nixos/nixpkgs/nixos/modules/system/boot/loader/grub/grub.nix"
|
|
</screen></para>
|
|
|
|
</refsection>
|
|
|
|
<refsection><title>Bugs</title>
|
|
|
|
<para>The author listed in the following section is wrong. If there is any
|
|
other bug, please report to Nicolas Pierron.</para>
|
|
|
|
</refsection>
|
|
|
|
|
|
</refentry>
|