function parse_git_branch () {
           git branch 2> /dev/null | sed -e '/^[^*]/d' -e 's/* \(.*\)/ (\1)/'
}

function parse_p4_branch () {
        P4INITROOT=`p4 set | grep P4INITROOT`
            if [ $? -eq 0 ]; then
                        p4 switch 2> /dev/null | sed -e 's/\(.*\)/ (\1)/'
                            fi
}
 
 RED="\[\033[0;31m\]"
 YELLOW="\[\033[0;33m\]"
 GREEN="\[\033[0;32m\]"
 GRAY="\[\033[0;37m\]"
 NO_COLOUR="\[\033[0m\]"

 function set_prompt () {
         export PS1="$GREEN\u@\h$NO_COLOUR:\w$YELLOW\$(parse_git_branch)$GRAY\$(parse_p4_branch)$NO_COLOUR\$ "
 }

 export PROMPT_COMMAND=set_prompt