{ fetchFromGitHub }: rec { version = "3.5.7"; src = fetchFromGitHub { owner = "NICMx"; repo = "Jool"; rev = "v${version}"; sha256 = "1qxhrchhm4lbyxkp6wm47a85aa4d9wlyy3kdijl8rarngvh8j1yx"; }; }