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doc: fix programlistin formatting

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This commit is contained in:
Domen Kožar 2015-02-15 18:29:52 +01:00
parent ef8aaa5571
commit 934f97281f
1 changed files with 12 additions and 27 deletions
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39
doc/packageconfig.xml
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@ -2,21 +2,18 @@
xmlns:xlink="http://www.w3.org/1999/xlink"
xml:id="chap-packageconfig">
<title>nixpkgs global configuration</title>
<title><filename>~/.nixpkgs/config.nix</filename>: global configuration</title>
<para>
Nix packages can be configured to allow or deny certain
options.
Nix packages can be configured to allow or deny certain options.
</para>
<para>
To apply the configuration edit <filename>~/.nixpkgs/config.nix</filename>
and set it like
<programlisting>
{
allowUnfree = true;
}
</programlisting>
<programlisting>{
allowUnfree = true;
}</programlisting>
and will allow the Nix package manager to install unfree licensed packages.
The configuration as listed also applies to NixOS under <option>nixpkgs.config</option> set.
@ -26,16 +23,12 @@
<listitem>
<para>
Allow installing of packages that are distributed under unfree license by setting
<programlisting>
allowUnfree = true;
</programlisting>
<programlisting>allowUnfree = true;</programlisting>
or deny them by setting it to <literal>false</literal>.
</para>
<para>
Same can be achieved by setting the environment variable:
<programlisting>
export NIXPKGS_ALLOW_UNFREE=1
</programlisting>
<programlisting>$ export NIXPKGS_ALLOW_UNFREE=1</programlisting>
</para>
</listitem>
@ -44,14 +37,10 @@
Whenever unfree packages are not allowed, single packages can
still be allowed by a predicate function that accepts package
as an argument and should return a boolean:
<programlisting>
allowUnfreePredicate = (pkg: ...);
</programlisting>
<programlisting>allowUnfreePredicate = (pkg: ...);</programlisting>
Example to allow flash player only:
<programlisting>
allowUnfreePredicate = (pkg: pkgs.lib.hasPrefix "flashplayer-" pkg.name);
</programlisting>
<programlisting>allowUnfreePredicate = (pkg: pkgs.lib.hasPrefix "flashplayer-" pkg.name);</programlisting>
</para>
</listitem>
@ -59,9 +48,7 @@
<para>
Whenever unfree packages are not allowed, packages can still be
whitelisted by their license:
<programlisting>
whitelistedLicenses = with stdenv.lib.licenses; [ amd wtfpl ];
</programlisting>
<programlisting>whitelistedLicenses = with stdenv.lib.licenses; [ amd wtfpl ];</programlisting>
</para>
</listitem>
@ -70,9 +57,7 @@
In addition to whitelisting licenses which are denied by the
<literal>allowUnfree</literal> setting, you can also explicitely
deny installation of packages which have a certain license:
<programlisting>
blacklistedLicenses = with stdenv.lib.licenses; [ agpl3 gpl3 ];
</programlisting>
<programlisting>blacklistedLicenses = with stdenv.lib.licenses; [ agpl3 gpl3 ];</programlisting>
</para>
</listitem>
</itemizedlist>
@ -82,4 +67,4 @@
<filename>lib/licenses.nix</filename> of the nix package tree.
</para>
</chapter>
</chapter>