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steamPackages: add runtime-mirror helper derivation

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This commit is contained in:
Nikolay Amiantov 2016-02-19 14:07:27 +03:00
parent 9525abdeec
commit e41c80e790
1 changed files with 20 additions and 0 deletions
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20
pkgs/games/steam/runtime-mirror.nix Normal file
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{ pkgs ? import <nixpkgs> {} }:
let
inherit (pkgs) lib;
rt = import ./runtime-generated.nix { inherit (pkgs) fetchurl; };
convRt = x: {
path = lib.removePrefix "mirror://steamrt/" x.url;
file = x.source;
};
files = builtins.map convRt (lib.concatLists (lib.attrValues rt));
in pkgs.stdenv.mkDerivation {
name = "steam-runtime-mirror";
buildCommand = ''
mkdir $out
'' + lib.concatMapStringsSep "\n" (x: ''
mkdir -p $(dirname $out/${x.path})
ln -sf ${x.file} $out/${x.path}
'') files;
}