my .gitconfig

.gitconfig

[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

[alias]
  st = status
  ci = commit
  br = branch
  co = checkout
  df = diff
  lg = log --graph --pretty=format:'%Cred%h%Creset -%C(yellow)%d%Creset %s %Cgreen(%cr) %C(bold blue)<%an>%Creset' --abbrev-commit --date=relative
  age = for-each-ref --sort='-authordate:iso8601' --format=' %(authordate:iso8601)%09%(refname)' refs/heads
[merge]
  tool = opendiff
[mergetool "diff3"]
	cmd = diff3
	trustExitCode = true
[mergetool "kdiff3"]
	path = /Applications/kdifd2.app
[core]
	editor = /usr/bin/vim