The easiest way to install via brew
brew install emacs --with-cocoa -with-ctags --with-dbus --with-gnutls --with-imagemagick@6 --with-librsvg --with-mailutils --with-modules --HEAD
if You got previous configuration you can move
mv ~/.emacs.d ~/.emacs.d.bak
or delete it
rm -rf ~/.emacs.d
Then, clone this repository in .emacs.d
git clone https://github.com/dawidof/sunflower.git ~/.emacs.d
If you are updating
cd ~/.emacs.d && git pull