gistfile1.sh

# set variables for git prompt
set_current_git_branch(){
    CURRENT_GIT_BRANCH=`git branch 2>/dev/null | grep '* ' | sed s/'* '//` ;

    GIT_BRANCH_TEXT=''
    GIT_BRANCH_COLOR=''
    if [[ $CURRENT_GIT_BRANCH ]]; then
        GIT_BRANCH_TEXT="(git:$CURRENT_GIT_BRANCH) "
        GIT_BRANCH_COLOR="\[\033[01;31m\]"
    fi
}

# generate and set prompt
set_prompt(){
    # set a fancy prompt (non-color, unless we know we "want" color)
    case "$TERM" in    xterm-color|screen)
        export PS1="${GIT_BRANCH_COLOR}${GIT_BRANCH_TEXT}\[\033[01;32m\]\u@\h\[\033[00m\]:\[\033[01;34m\]\w\[\033[00m\]\
$ "
        ;;
    *)
        export PS1="${GIT_BRANCH_TEXT}\u@\h:\w\$ "
        ;;
    esac
}

PROMPT_COMMAND="$PROMPT_COMMAND set_current_git_branch; set_prompt; "

# If this is an xterm set the title to (git:branch) user@host:dir
case "$TERM" in
xterm*|rxvt*)
    PROMPT_COMMAND=$PROMPT_COMMAND' echo -ne "\033]0;${GIT_BRANCH_TEXT}${USER}@${HOSTNAME}: ${PWD/$HOME/~}\007"; '
    ;;
*)
    ;;
esac