FAQ: Difference between revisions

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 * the package is part of an attribute set and <code>nix-env</code> doesn't recurse into this set (see ''pkgs.recurseIntoAttrs''), use <code>nix-env -qaP -A haskellPackages</code> for listing these entries
-== How can I install a proprietary or unfree package? ==
+{{:FAQ/unfree}}
-You won't be able to install or search for an unfree package as a user, unless you explicitly enable it in ''~/.config/nixpkgs/config.nix'':
-<syntaxhighlight lang="nix">
-{
-  ...
-  allowUnfree = true;
-}
-</syntaxhighlight>
-If you want to enable unfree packages system-wide, then set in your <code>/etc/nixos/configuration.nix</code>:
-<syntaxhighlight lang="nix">
-{
-  ...
-  nixpkgs.config.allowUnfree = true;
-}
-</syntaxhighlight>
-'''Note that this alone will not allow you to search for or install packages with nix-env.'''
-For temporary allowing unfree packages you can set the environment variable ''NIXPKGS_ALLOW_UNFREE'', e.g.
-<syntaxhighlight lang="bash">NIXPKGS_ALLOW_UNFREE=1 nix-env</syntaxhighlight>
-Note that we are not able to test or build unfree software on Hydra
-due to policy. Most unfree licenses prohibit us from either executing or
-distributing the software.
 == How can I install a package from unstable while remaining on the stable channel? ==