depot/packages/build-support/fetch-asset/default.nix

18 lines
375 B
Nix

{ fetchurl }:
{ cdnURL ? "https://cdn.privatevoid.net/assets", index }:
let
dvc = builtins.fromJSON (builtins.readFile index);
inherit (builtins.head dvc.outs) sha256 path;
hashPrefix = builtins.substring 0 2 sha256;
hashSuffix = builtins.substring 2 (-1) sha256;
in
fetchurl {
name = path;
url = "${cdnURL}/${hashPrefix}/${hashSuffix}";
inherit sha256;
}