My ~/.gitconfig

[user]
    name = Joachim Nilsson
    email = troglobit@gmail.com
[color]
    diff = auto
    status = auto
    branch = auto
[alias]
    audit    = log -p -m --first-parent
    glog     = log --decorate --stat
    undo     = reset --hard
    changes  = diff --name-status -r
    diffstat = diff --stat -r
    # git summary 4.8.0-rc2 4.8.0-rc3
    summary  = diff --shortstat
    graphviz = "!f() { echo 'digraph git {' ; git log --pretty='format:  %h -> { %p }' \"$@\" | sed 's/[0-9a-f][0-9a-f]*/\"&\"/g' ; echo '}'; }; f"
    st = status -suno
    ci = commit
    br = branch
    co = checkout
    df = diff
    lg = log -p
    who = shortlog -s --