Awesome git prompt

prompt.sh

# Determine if the current directory is a GIT repo
# and print out '*' if there are changes to be committed
iz_git_dirty() {
        #IZ_GIT=`git status 2>/dev/null`
        IZ_DIRTY=`git status 2>/dev/null | grep 'nothing to commit (working directory clean)'`

        #if [ "." != "$IZ_GIT." ]; then
                if [ "." == "$IZ_DIRTY." ]; then
                                echo '*'
                fi
        #fi
}

# Determine if the current directory is a GIT repo
# and print out the current branch name (and call iz_git_dirty)
parse_git_branch() {
        BRANCH=`git branch 2> /dev/null | sed -e '/^[^*]/d' -e 's/* \(.*\)/\1/'`
        if [ "." != "$BRANCH." ]; then
                echo "(${BRANCH}$(iz_git_dirty))"
        fi
}

# Put the above stuff into the prompt
if [ "$color_prompt" = yes ]; then
    PS1='${debian_chroot:+($debian_chroot)}\[\033[01;32m\]\u@\h\[\033[00m\]:\[\033[01;34m\]\w\[\033[00m\]$(parse_git_branch)\$ '
else
    PS1='${debian_chroot:+($debian_chroot)}\u@\h:\w$(parse_git_branch)\$ '
fi