rec { name = "foobar-${version}"; version = "2016-06-26"; src = fetchgit rec { url = "/tmp/nix-update-fetchgit-test/repo1"; rev = "1c60ae07b5740aab02e32b4f64600f002112e6fd"; sha256 = "008xwkjfsv3rj50x9fqj0vvggl1zwrbqh7bkvnga94krmij63hib"; }; }