Git 设置别名

添加别名的方式：

linux: vim ~/.gitconfig ，末尾添加
Windows: 在用户目录下， .gitconfig 文件，末尾添加

添加内容：

[alias]
  a = add
  b = branch
  c = commit
  ci = commit
  d = diff
  st = status
  lg = log --graph --pretty=format:'%Cred%h%Creset -%C(yellow)%d%Creset %s %Cgreen(%cr)%Creset | %C(bold)%an' --abbrev-commit --date=relative
  r = reset
  aa = add .
  ba = branch -a
  ca = commit -a
  cc = commit -a -m
  cl = clone
  cm = commit -m
  co = checkout
  cp = cherry-pick
  nb = checkout -b
  pl = pull
  ps = push origin master