Upgrading neovim from source or homebrew

make-neovim.sh

function make-neovim () {
    if [ $(uname) = "Darwin" ]; then
        brew update
        brew upgrade neovim/neovim/neovim --fetch-HEAD --cleanup
        # brewup && TERM=screen brew install --HEAD neovim
        # brewup && TERM=screen brew upgrade neovim
    else
        cd $HOME/src/neovim && git pull && make CMAKE_BUILD_TYPE=Release && sudo make install
    fi
    pip2 install --upgrade neovim
    pip3 install --upgrade neovim
    pip3 install --upgrade neovim-remote
    gem install neovim && gem cleanup neovim
    nvim --headless -c PlugUpgrade +q
    nvim --headless -c PlugClean! +qall
    nvim --headless -c PlugUpdate! +qall
}