function parse_git_branch_and_add_brackets {
git branch –no-color 2> /dev/null | sed -e ‚/^[^*]/d‘ -e ’s/* \(.*\)/\ \[\1\]/‘
}
PS1=“\h:\W \u\[\033[0;32m\]\$(parse_git_branch_and_add_brackets) \[\033[0m\]\$ “

add into .bashrc