A sample ~/.gitconfig for coloring and other fanciness.

.gitconfig

[alias]
    st = status
    diffstat = diff --stat -r
    c = commit
    co = checkout

[color]
    ui = auto

[color "branch"]
    current = yellow reverse
    local = yellow
    remote = green

[color "diff"]
    meta = yellow bold
    frag = magenta bold
    old = red bold
    new = green bold

[color "status"]
    added = yellow
    changed = green
    untracked = cyan

[apply]
    whitespace = nowarn

[user]
    name = Evan Culver
    email = evan@evanculver.com