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6f1b1aefde
be set from the NixOS configuration. For instance, you can say nixpkgs.config.firefox.enableGeckoMediaPlayer = true; environment.systemPackages = [ pkgs.firefox ]; but the more interesting application is to apply global overrides to Nixpkgs throughout NixOS, e.g. nixpkgs.config.packageOverrides = pkgs: { glibc = pkgs.glibc27; gcc = pkgs.gcc42; }; would build the whole system with Glibc 2.7 and GCC 4.2. (There are some issues with "useFromStdenv" in all-packages.nix that need to be fixed for packages in the stdenv bootstrap though.) The implementation of this option is kind of evil though due to the need to prevent a circularity between the evaluation of nixpkgs.config and the "pkgs" module argument. svn path=/nixos/trunk/; revision=16866
17 lines
281 B
Nix
17 lines
281 B
Nix
{ config, pkgs, ... }:
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{
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options = {
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nixpkgs.config = pkgs.lib.mkOption {
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default = {};
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example = {
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firefox.enableGeckoMediaPlayer = true;
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};
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description = ''
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The configuration of the Nix Packages collection.
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'';
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};
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};
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} |