Mac OS X Bash 提示中显示 git 当前分支和状态

.profile

# Mac OS X 中 Terminal 下 Bash 提示中显示 git 当前分支和状态
#   hostname:directory[branch-name] username$   # 干净的工作目录
#   hostname:directory[branch-name*] username$  # 不干净的工作目录

function parse_git_dirty {
  [[ $(git status 2> /dev/null | tail -n1) != "nothing to commit (working directory clean)" ]] && echo "*"
}
function parse_git_branch {
  git branch --no-color 2> /dev/null | sed -e '/^[^*]/d' -e "s/* \(.*\)/[\1$(parse_git_dirty)]/"
}
export PS1='\h:\W\[\e[1;36m\]$(parse_git_branch)\[\e[0m\] \u$ '

work perfect at mac bash