{
  url = "https://github.com/OpenModelica/OpenModelica/";
  rev = "49be4faa5a625a18efbbd74cc2f5be86aeea37bb";
  sha256 = "0klqiy4sdizl1djb9hb0arcvfcjz2mmnakrjx81mmxcbr8yq2016";
  fetchSubmodules = true;
}
# Update with: nix run -f ./nixpkgs/default.nix nix-prefetch-git -c nix-prefetch-git 'https://github.com/OpenModelica/OpenModelica/' 'v1.18.0' --fetch-submodules