git for windows git-prompt.sh to show branch and virtualenv

git-prompt.sh

#!/bin/bash

PROMPT_DIRTRIM=2

         RED="\[\033[0;31m\]"
      YELLOW="\[\033[1;33m\]"
       GREEN="\[\033[0;32m\]"
        BLUE="\[\033[0;34m\]"
  LIGHT_BLUE="\[\033[1;34m\]"
   LIGHT_RED="\[\033[1;31m\]"
 LIGHT_GREEN="\[\033[1;32m\]"
       WHITE="\[\033[1;37m\]"
   DARK_GRAY="\[\033[1;30m\]"
  LIGHT_GRAY="\[\033[0;37m\]"
  LIGHT_CYAN="\[\033[1;36m\]"
        CYAN="\[\033[0;36m\]"
      PURPLE="\[\033[0;35m\]"
       BROWN="\[\033[0;33m\]"
LIGHT_PURPLE="\[\033[1;35m\]"
       BLACK="\[\033[0;30m\]"
  COLOR_NONE="\[\033[0m\]"

function set_git_branch () {
  this_branch="$(git branch 2> /dev/null | sed -e '/^[^*]/d' -e 's/* \(.*\)/(\1)/')"
  if test -z "$this_branch" ; then
    PROMPT_BRANCH=""
  else
    PROMPT_BRANCH="${YELLOW}${this_branch}${COLOR_NONE} "
  fi
}

function set_prompt_symbol () {
  if test $1 -eq 0 ; then
    PROMPT_SYMBOL="${LIGHT_GREEN}\$${COLOR_NONE} "
  else
    PROMPT_SYMBOL="${LIGHT_RED}\$${COLOR_NONE} "
  fi
}

function set_virtualenv () {
  if test -z "$VIRTUAL_ENV" ; then
    PROMPT_PYTHON_ENV=""
  else
    PROMPT_PYTHON_ENV="${LIGHT_BLUE}[$(basename \\"$VIRTUAL_ENV\\")]${COLOR_NONE} "
  fi
}

function set_condaenv () {
  if test -z "$CONDA_DEFAULT_ENV" ; then
    PROMPT_CONDA_ENV=""
  else
    PROMPT_CONDA_ENV="${LIGHT_CYAN}[${CONDA_DEFAULT_ENV}]${COLOR_NONE} "
  fi
}

function set_docker_machine () {
  if test -z "$DOCKER_MACHINE_NAME" ; then
    PROMPT_DOCKER_MACHINE=""
  else
    PROMPT_DOCKER_MACHINE="${LIGHT_PURPLE}[${DOCKER_MACHINE_NAME}]${COLOR_NONE} "
  fi
}

function set_user_line () {
  PROMPT_USER_LINE="$(date '+%T') ${GREEN}\u${COLOR_NONE} "
}

function set_bash_prompt () {
  set_prompt_symbol $?
  set_user_line
  set_virtualenv
  set_condaenv
  set_git_branch
  set_docker_machine

  PS1="${PROMPT_USER_LINE}${PROMPT_PYTHON_ENV}${PROMPT_CONDA_ENV}${PROMPT_DOCKER_MACHINE}${WHITE}\w${COLOR_NONE} ${PROMPT_BRANCH}${PROMPT_SYMBOL}"
}

PROMPT_COMMAND=set_bash_prompt