bash prompt

gistfile1.txt

export PS1="\[\e[35m\]\u@\h\[\e[0m\]:\[\e[35m\]\W"
export PS1=$PS1'$(__git_ps1 "\[\e[32m\]{%s}")\[\e[0m\]$ '
export _PS1=$PS1
__git_ps1 ()
{
   local b="$(git symbolic-ref HEAD 2>/dev/null)"
   if [ -n "$b" ]; then
      if [ -n "$1" ]; then
         printf "$1" "${b##refs/heads/}"
      else
         printf " (%s)" "${b##refs/heads/}"
      fi
   fi
}