Prompt bash for GIT with branches - rvm - and git status.For Mac OSX it must be put on the ~/.profile fileFor Linux it must be put on the ~/.bash_rc file or similar.Just a note the "nothing to commit,..." message depends of your git version.

.profile

if [ -f $(brew --prefix)/etc/bash_completion ]; then
    . $(brew --prefix)/etc/bash_completion
fi

function parse_git_dirty {
  [[ $(git status 2> /dev/null | tail -n1) != "nothing to commit, working tree clean" ]] && echo "*"
}
function parse_git_branch {
  git branch --no-color 2> /dev/null | sed -e '/^[^*]/d' -e "s/* \(.*\)/[\1$(parse_git_dirty)]/"
}
export PS1='\[\033[1;33m\]\w\[\033[0m\]$(parse_git_branch)$ '