The default security settings on OS X 10.8 (Mountain Lion) disallow the installation of unsigned packages, with no override. Git/Mac 1.8.2 is not signed and therefore will not install without changing the OS default security settings. See screenshot: http://postimg.org/image/wcb34kzy5/ -- David Foster http://dafoster.net/ -- To unsubscribe from this list: send the line "unsubscribe git" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html