Also not to like about the install method: The install.sh stores INSTALL_DIR in a variable but does not allow that variable to be overridden by the environment. So you're forced to install into /usr/local despite then being asked to add /usr/local/m-cli to your path. It would be better to allow /usr/local to be overridden so that installation doesn't require sudo. It's just as easy to add ~/.m-cli to your path.