Bash prompt with Git branch info

prompt_with_git_info.bash

# Evaluate my local copy of
# https://github.com/git/git/blob/master/contrib/completion/git-completion.bash
# which also provides TAB-completion of git sub-commands, branches etc.
source ~/Dropbox/Config\ Files/dotfiles/git-completion.bash 
 
function set_prompt {

  # Black       0;30     Dark Gray     1;30
  # Blue        0;34     Light Blue    1;34
  # Green       0;32     Light Green   1;32
  # Cyan        0;36     Light Cyan    1;36
  # Red         0;31     Light Red     1;31
  # Purple      0;35     Light Purple  1;35
  # Brown       0;33     Yellow        1;33
  # Light Gray  0;37     White         1;37
 
  local BLACK="\[\033[0;30m\]"
  local RED="\[\033[0;31m\]"
  local GREEN="\[\033[0;32m\]"
  local YELLOW="\[\033[0;33m\]"
  local BLUE="\[\033[0;34m\]"
  local MAGENTA="\[\033[0;35m\]"
  local CYAN="\[\033[0;36m\]"
  local WHITE="\[\033[0;37m\]"
  
  local BRIGHT_BLACK="\[\033[1;30m\]"
  local BRIGHT_RED="\[\033[1;31m\]"
  local BRIGHT_GREEN="\[\033[1;32m\]"
  local BRIGHT_YELLOW="\[\033[1;33m\]"
  local BRIGHT_BLUE="\[\033[1;34m\]"
  local BRIGHT_MAGENTA="\[\033[1;35m\]"
  local BRIGHT_CYAN="\[\033[1;36m\]"
  local BRIGHT_WHITE="\[\033[1;37m\]"

  # Can't be local. 
  GIT_PS1_SHOWDIRTYSTATE=1
  GIT_PS1_SHOWUNTRACKEDFILES=1
  GIT_PS1_SHOWUPSTREAM=

  PS1="$BRIGHT_GREEN\w$YELLOW\$(__git_ps1 ' (%s)')\n$BRIGHT_MAGENTA[\!]$WHITE\$ "
  PS2='> '
  PS4='+ '
}

set_prompt