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