nixpkgs/pkgs/development/compilers/ghcjs-ng/8.4/git.json

{
  "url": "https://github.com/ghcjs/ghcjs",
  "rev": "d20da90a4819faad1c6309a06363b34edac0374c",
  "sha256": "0jmxgfm1zwg6xscjcaycfam7zss8ik4ql4ii5lpryh4h6cdhvkbr",
  "fetchSubmodules": true
}