nixpkgs/pkgs/servers/fishnet/assets.nix
2021-03-06 16:13:26 +01:00

59 lines
1.5 KiB
Nix

{ lib
, stdenv
, fetchFromGitHub
, xz
, autoPatchelfHook }:
# Assets for fishnet: A collection of pre-built compressed stockfish binaries.
# We have to decompress them, patch them using auto-patchelf and compress them
# again so that a selection of them can be embedded into the fishnet binary.
stdenv.mkDerivation rec {
pname = "fishnet-assets";
version = "unstable-2020-01-30";
src = fetchFromGitHub {
owner = "niklasf";
repo = pname;
rev = "acd36ab6ccee67a652b6d84aedc4c2828abac5c6";
sha256 = "0mh4gh6qij70clp64m4jw6q7dafr7gwjqpvpaf9vc6h10g1rhzrx";
};
relAssetsPath = "share/${pname}";
nativeBuildInputs = [ xz autoPatchelfHook ];
postPatch = ''
# Delete packed .exe files and all non .xz files (documentation and readme)
rm *.exe.xz
find \! -name "*.xz" -delete
# Extract .xz files, except *.nnue.xz
# We don't have to unpack the latter and it takes ages to repack
find -name "*.xz" \! -name "*.nnue.xz" | xargs unxz -v
'';
dontBuild = true;
installPhase = ''
mkdir -p $out/${relAssetsPath}
cp ./* $out/${relAssetsPath}
'';
preFixup = ''
gatherLibraries '${stdenv.cc.cc.lib}'
'';
doDist = true;
distPhase = ''
# repack assets
find $out/${relAssetsPath} -type f \! -name "*.xz" | xargs xz -v
'';
meta = with lib; {
description = "Assets for fishnet, only required during build";
homepage = "https://github.com/niklasf/fishnet-assets";
license = licenses.gpl3Only;
maintainers = with maintainers; [ tu-maurice ];
platforms = [ "x86_64-linux" ];
};
}