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进入你的home目录

编辑.bashrc文件

将下面的代码加入到文件的最后处

function git_branch {
  branch="`git branch 2>/dev/null | grep "^\*" | sed -e "s/^\*\ //"`"
  if [ "${branch}" != "" ];then
      if [ "${branch}" = "(no branch)" ];then
          branch="(`git rev-parse --short HEAD`...)"
      fi
      echo "->$branch"
  fi
}
 
export PS1='\[\e[37;40m\][\[\033[01;36m\]\u\[\e[37;40m\]@\[\e[0m\]\h \[\033[01;36m\]\W\[\033[01;32m\]$(git_branch)\[\033[00m\]\[\e[37;40m\]]\[\e[0m\]\$ '

保存退出，执行加载命令

source ./.bashrc

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