.profile para mostrar el Branch de git en el prompt en Mac OS

.profile.sh

# Making ls to always display colors
alias ls='ls -G'
export LSCOLORS=dxfxcxdxbxegedabagacad

# Funcion para cambiar el prompt muestra usuario:working dir (git branch) $

function parse_git_branch {
  git branch --no-color 2> /dev/null | sed -e '/^[^*]/d' -e 's/* \(.*\)/(\1)/'
}
 
function proml {
  local        BLUE="\[\033[1;34m\]"
  local  LIGHT_BLUE="\[\033[0;34m\]"
  local         RED="\[\033[1;31m\]"
  local   LIGHT_RED="\[\033[0;31m\]"
  local       GREEN="\[\033[1;32m\]"
  local LIGHT_GREEN="\[\033[0;32m\]"
  local       WHITE="\[\033[1;37m\]"
  local  LIGHT_GRAY="\[\033[0;37m\]"
  case $TERM in
    xterm*)
    TITLEBAR='\[\033]0;\u@\h:\w\007\]'
    ;;
    *)
    TITLEBAR=""
    ;;
  esac
 
PS1="${TITLEBAR}\
$LIGHT_RED\u:$LIGHT_GRAY\w$LIGHT_GREEN\$(parse_git_branch) \$$LIGHT_GRAY "
PS2='> '
PS4='+ '
}
proml