Adds virtualenv to Pivotal's default (bobby) bash_it theme

jsharpe.theme.bash

#!/usr/bin/env bash
SCM_THEME_PROMPT_DIRTY=" ${red}✗"
SCM_THEME_PROMPT_CLEAN=" ${bold_green}✓"
SCM_THEME_PROMPT_PREFIX=" |"
SCM_THEME_PROMPT_SUFFIX="${green}|"

GIT_THEME_PROMPT_DIRTY=" ${red}✗"
GIT_THEME_PROMPT_CLEAN=" ${bold_green}✓"
GIT_THEME_PROMPT_PREFIX=" ${green}|"
GIT_THEME_PROMPT_SUFFIX="${green}|"

RVM_THEME_PROMPT_PREFIX="|"
RVM_THEME_PROMPT_SUFFIX="| "

VIRTUALENV_THEME_PROMPT_PREFIX="[🐍 |"
VIRTUALENV_THEME_PROMPT_SUFFIX="] "

function prompt_command() {
    #PS1="${bold_cyan}$(scm_char)${green}$(scm_prompt_info)${purple}$(ruby_version_prompt) ${yellow}\h ${reset_color}in ${green}\w ${reset_color}\n${green}→${reset_color} "
    PS1="\n${green}$(virtualenv_prompt)${yellow}$(ruby_version_prompt)${purple}\h ${reset_color}in ${green}\w\n${bold_cyan}$(scm_char)${green}$(scm_prompt_info) ${green}→${reset_color} "
}

PROMPT_COMMAND=prompt_command;