diff-highlight
$ mkdir ~/bin $ cd ~/bin $ curl https://raw.githubusercontent.com/git/git/master/contrib/diff-highlight/diff-highlight -o diff-highlight $ chmod +x diff-highlight
PATH通す~/.zshrcなどに追記
PATH=$PATH:/Users/<USER名>/bin
~/.gitconfig
[pager] log = diff-highlight | less show = diff-highlight | less diff = diff-highlight | less