gistfile1.txt

#!/bin/bash

# Colors from http://wiki.archlinux.org/index.php/Color_Bash_Prompt
# misc
NO_COLOR='\e[0m' #disable any colors
# regular colors
BLACK='\e[0;30m'
RED='\e[0;31m'
GREEN='\e[0;32m'
YELLOW='\e[0;33m'
BLUE='\e[0;34m'
MAGENTA='\e[0;35m'
CYAN='\e[0;36m'
WHITE='\e[0;37m'
# emphasized (bolded) colors
EBLACK='\e[1;30m'
ERED='\e[1;31m'
EGREEN='\e[1;32m'
EYELLOW='\e[1;33m'
EBLUE='\e[1;34m'
EMAGENTA='\e[1;35m'
ECYAN='\e[1;36m'
EWHITE='\e[1;37m'
# underlined colors
UBLACK='\e[4;30m'
URED='\e[4;31m'
UGREEN='\e[4;32m'
UYELLOW='\e[4;33m'
UBLUE='\e[4;34m'
UMAGENTA='\e[4;35m'
UCYAN='\e[4;36m'
UWHITE='\e[4;37m'
# background colors
BBLACK='\e[40m'
BRED='\e[41m'
BGREEN='\e[42m'
BYELLOW='\e[43m'
BBLUE='\e[44m'
BMAGENTA='\e[45m'
BCYAN='\e[46m'
BWHITE='\e[47m'

function parse_git_branch() {
  local DIRTY STATUS
  STATUS=\$(git status --porcelain 2>/dev/null)
  [ \$? -eq 128 ] && return
  [ -z "\$(echo "\$STATUS" | grep -e '^ M')"    ] || DIRTY="*"
  [ -z "\$(echo "\$STATUS" | grep -e '^[MDA]')" ] || DIRTY="\${DIRTY}+"
  [ -z "\$(git stash list)" ]                    || DIRTY="\${DIRTY}^"
  echo " [\$(git branch 2>/dev/null | sed -e '/^[^*]/d' -e 's/* //')\$DIRTY]"
}

PS1="\n\[$NO_COLOR\]\u\[$GREEN\]:\w \[$EBLUE\]\$(parse_git_branch)\[$NO_COLOR\] \n→ "