piston/packages/flake.nix

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2021-10-05 03:57:40 +02:00
{
description = "Piston packages repo";
inputs.flake-utils.url = "github:numtide/flake-utils";
outputs = { self, nixpkgs, flake-utils }:
let
system = "x86_64-linux";
pkgs = nixpkgs.legacyPackages.${system};
args = {
inherit pkgs;
piston = {
mkRuntime = {
language,
version,
runtime,
run,
compile? null,
aliases? []
}: let
packageName = "${runtime}-${language}";
compileFile = if compile != null then
pkgs.writeShellScript "compile" compile
else null;
runFile = pkgs.writeShellScript "run" run;
metadataFile = pkgs.writeText "metadata.json" (builtins.toJSON {
inherit language version runtime aliases;
});
in pkgs.runCommandNoCC packageName {}
(
''
mkdir -p $out/piston
ln -s ${runFile} $out/piston/run
ln -s ${metadataFile} $out/piston/metadata.json
'' + (
if compileFile != null then
''
ln -s ${compileFile} $out/piston/compile
'' else "")
);
};
};
in {
piston = {
"node-javascript" = import ./node-javascript.nix args;
};
};
}