PS1="\[\033[36m\]\u\[\033[m\]@\[\033[32m\] \[\033[33;1m\]\w\[\033[m\] (\$(git branch 2>/dev/null | grep '^*' | colrm 1 2)) \$ " code example

Example: git branch in my bash prompt

parse_git_branch() {
     git branch 2> /dev/null | sed -e '/^[^*]/d' -e 's/* \(.*\)/ (\1)/'
}
export PS1="\u@\h \[\033[32m\]\w\[\033[33m\]\$(parse_git_branch)\[\033[00m\] $ "