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nixos/manual: reword note in declarative packages section

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Aaron Janse 2019-03-14 19:08:38 -07:00
parent f67eb111ac
commit 0258cff887
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18
nixos/doc/manual/configuration/declarative-packages.xml
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@ -14,10 +14,9 @@
<programlisting>
<xref linkend="opt-environment.systemPackages"/> = [ pkgs.thunderbird ];
</programlisting>
The <literal>pkgs</literal> variable is used to reference packages in your
root channel. The effect of this specification is that the Thunderbird
package from your root Nixpkgs channel will be built or downloaded as part of
the system when you run <command>nixos-rebuild switch</command>.
The effect of this specification is that the Thunderbird package from Nixpkgs
will be built or downloaded as part of the system when you run
<command>nixos-rebuild switch</command>.
</para>
<para>
@ -28,10 +27,13 @@ nixos.firefox firefox-23.0 Mozilla Firefox - the browser, reloaded
<replaceable>...</replaceable>
</screen>
The first column in the output is the <emphasis>attribute name</emphasis>,
such as <literal>nixos.thunderbird</literal>. The <literal>nixos</literal>
prefix tells us that we want to get the package from the `nixos` channel.
Some systems have other channels installed, such as `nixpkgs` or custom
channels for development purposes.
such as <literal>nixos.thunderbird</literal>.
</para>
<para>
Note: the <literal>nixos</literal> prefix tells us that we want to get the
package from the <literal>nixos</literal> channel and works only in CLI tools.
In declarative configuration use <literal>pkgs</literal> prefix (variable).
</para>
<para>