在.bashrc或.bash_profile中添加以下内容
function parse_git_branch () { git branch 2> /dev/null | sed -e '/^[^*]/d' -e 's/* \(.*\)/ (\1)/' } RED="\[\033[0;31m\]" YELLOW="\[\033[0;33m\]" GREEN="\[\033[0;32m\]" NO_COLOR="\[\033[0m\]" PS1="$GREEN\u@\h$NO_COLOR:\w$YELLOW\$(parse_git_branch)$NO_COLOR\$ "
参考:
https://gist.github.com/githubteacher/e75edf29d76571f8cc6c