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nixpkgs manual: more extensible example (#15557)
By checking if the package name appears in a list, this new example allows for easy user-customization.
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@ -46,10 +46,10 @@ $ export NIXPKGS_ALLOW_UNFREE=1
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allowUnfreePredicate = (pkg: ...);
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</programlisting>
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Example to allow flash player only:
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Example to allow flash player and visual studio code only:
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<programlisting>
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allowUnfreePredicate = (pkg: pkgs.lib.hasPrefix "flashplayer-" pkg.name);
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allowUnfreePredicate = with builtins; (pkg: elem (parseDrvName pkg.name).name [ "flashplayer" "vscode" ]);
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</programlisting>
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</para>
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