gistfile1.sh

bash_prompt() {
   local status=$(git status 2> /dev/null | grep 'working directory clean')
   local dirty=''
   if [ -z "$status" ]; then
        local dirty='*'
   fi
   local branch=$(git branch 2> /dev/null | grep -e "\* " | sed "s/^..\(.*\)/\1/")

   if [ -z "$branch" ]; then
        export PS1="[$(date +%H:%M) \u@\[\033[33m\]\h\[\033[39m\]:\w] "
   else
        export PS1="[$(date +%H:%M) \u@\[\033[33m\]\h\[\033[39m\]:\w \[\033[32m\]$branch\[\033[36m\]$dirty\[\033[39m\]] "
   fi
}

PROMPT_COMMAND=bash_prompt

cdgit() {
        local gitdir=$(git rev-parse --git-dir)
        if [ -n "$gitdir" ]; then
                cd $(dirname $gitdir)
        fi
}