My simple Bash prompt, before switching to liquidprompt

grinprompt.sh

# Set prompt (including git repo info)
# https://gist.github.com/31631
PROMPT_COMMAND='DIR=`pwd|sed -e "s!$HOME!~!"`; if [ ${#DIR} -gt 50 ]; then CurDir=${DIR:0:22}...${DIR:${#DIR}-25}; else CurDir=$DIR; fi'
if [ -f ~/Dropbox/bash/completion/git  ]; then
  source ~/Dropbox/bash/completion/git
  export GIT_PS1_SHOWDIRTYSTATE=1
  PS1='\[\033[0;33m\]$(date +%H%M) \[\033[1;37m\]\h:\[\033[1;36m\]$CurDir\[\033[00m\]$(__git_ps1)\$ '
elif [ -n "$(which git)"  ]; then
  function parse_git_dirty {
    [[ $(git status 2> /dev/null | tail -n1) != "nothing to commit (working directory clean)" ]] && echo "*"
  }
  function parse_git_branch {
    git branch --no-color 2> /dev/null | sed -e '/^[^*]/d' -e "s/* \(.*\)/[\1$(parse_git_dirty)]/"
  }
  PS1='\[\033[0;33m\]$(date +%H%M) \[\033[1;37m\]\h:\[\033[1;36m\]$CurDir\[\033[00m\]$(parse_git_branch)\$ '
fi