Show within-line changes when doing git add -p so you can see what you're doing

Really liking

Use Homebrow to install diffr:

brew install diffr

Then add this to your ~/.gitconfig:

    log  = diffr | less
    show = diffr | less
    diff = diffr | less
    diffFilter = diffr

From setting up another new computer.

See also speeding up git add -p.