tlaternet-server/pkgs/build-support/fetchFromCurseForge.nix

24 lines
685 B
Nix

{ lib, fetchurl }:
with builtins;
{ project, id, filename, ... }@args:
let
# I think this is supposed to be some weak automation
# protection. This split "id" is simply part of the download URL.
#
# Note that if it's zero-prefixed we need to remove the zeroes. It's
# really an odd one...
a = head (match "0*([[:digit:]]+)" (substring 0 4 id));
b = head (match "0*([[:digit:]]+)" (substring 4 7 id));
url = "https://media.forgecdn.net/files/${a}/${b}/${filename}";
otherArgs = removeAttrs args [ "project" "id" "filename" ];
in fetchurl (otherArgs // {
inherit url;
# Rename files to avoid names incompatible with the nix store
name = "${project}.jar";
})