Install:

    cd <into some directory where you keep executables in your $PATH>
    curl -O https://raw.github.com/codeodor/gem-install-from-git/master/gemgit.sh
    chmod 755 gemgit.sh


Use:

    ./gemgit.sh <url to git repository>

Example: 

    ./gemgit.sh https://github.com/gilesbowkett/utility-belt.git