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