Show git branch and short-hand status on terminal command prompt

.bash_profile

alias co="cd ~/code"
B="\e[38;5;35m"
C="\e[38;5;50m"
D="\e[38;5;199m"
E="\[\033[00m\]"

b() {
  git branch 2> /dev/null | sed -e '/^[^*]/d' -e 's/* \(.*\)/ (\1)/'
}
s() {
  git status -s 2> /dev/null | ( ! grep ^ ) > /dev/null && printf "$C ✔" || printf "$D ✗"
}

export PS1="\u@\h \W$B\$(b)\$(s)$E "