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Reduce verbosity of packageOverride docs further

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Sebastian Jordan 2015-04-20 23:09:45 +02:00
parent 20dadec264
commit 018062529a
1 changed files with 12 additions and 8 deletions
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20
doc/packageconfig.xml
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@ -67,16 +67,20 @@
<filename>lib/licenses.nix</filename> of the nix package tree.
</para>
<section><title>Modify packages via<literal>packageOverrides</literal></title>
<section><title>Modify packages via <literal>packageOverrides</literal></title>
<para>
<filename>~/.nixpkgs/config.nix</filename> enables the user to
override package names without creating a fork of Nixpkgs. This is
accomplished by defining a function called
<varname>packageOverrides</varname>. It is expected to take the set
of packages, usually called <varname>pkgs</varname>, and returns a
modified set of packages. It is called when evaluating any nix
expression in the <varname>pkgs</varname> set.
You can define a function called <varname>packageOverrides</varname>
in your local <filename>~/.nixpkgs/config</filename> to overide nix
packages. It must be a function that takes pkgs as an argument and
return modified set of packages.
<programlisting>{
packageOverrides = pkgs: rec {
foo = pkgs.foo.override { ... };
};
}</programlisting>
</para>
</section>