.bashrc

# http://henrik.nyh.se/2008/12/git-dirty-prompt
# http://www.simplisticcomplexity.com/2008/03/13/show-your-git-branch-name-in-your-prompt/
# username@Machine ~/dev/dir[master]$ # clean working directory
# username@Machine ~/dev/dir[master*]$ # dirty working directory
function parse_git_branch_name {
  git branch --no-color 2> /dev/null | sed -e '/^[^*]/d' -e "s/* \(.*\)/\1/"
}
function parse_git_push_queue {
  git log --no-color --oneline origin/$(parse_git_branch_name)...$(parse_git_branch_name) 2> /dev/null | wc -l | grep -v -P "^0$" | sed -e "s/\(.*\)/\(+\1\)/"
}
function parse_git_dirty {
  [[ $(git status 2> /dev/null | tail -n1) != "nothing to commit (working directory clean)" ]] && echo "*"
}
function git_prompt_suffix {
  parse_git_branch_name | sed -e "s/\(.*\)/ \(\1$(parse_git_dirty)$(parse_git_push_queue)\)/"
}
export PS1='$(ppwd \l)\u@\h:\w$(git_prompt_suffix)> '