A portable script for a powerline like prompt

ps1.sh

#!/usr/bin/env bash

# A portable script for a powerline like prompt
reset='\[\033[0m\]'
bg='\[\033[48;2;48;48;48m\]'
blue='\[\033[38;2;0;175;255m\]'
green='\[\033[38;2;95;215;0m\]'
grey='\[\033[38;2;88;88;88m\]'
greydark='\[\033[38;2;48;48;48m\]'

# Disable PS hijacking by venv
VIRTUAL_ENV_DISABLE_PROMPT=1

get_venv() {
    [ -n "$VIRTUAL_ENV" ] && printf "venv"
}

get_chevron_1(){
    [ -n "$VIRTUAL_ENV" ] && printf " ❯ "
}

get_identity(){
    [ "$(hostname)" != "laptop" ] && printf "$(whoami)@$(hostname)"
}

get_chevron_2(){
    [ "$(hostname)" != "laptop" ] &&  printf " ❯ "
}

get_branch() {
    branch=$(git branch --show-current 2>/dev/null)
    [ -n "$branch" ] && printf "$branch"

}
get_chevron_3(){
    branch=$(git branch --show-current 2>/dev/null)
    [ -n "$branch" ] && printf  " ❯ "
}

# You can replace  with ▓▒░ if you don't have the powerline fonts
PS1="${bg} ${green}\$(get_venv)${grey}\$(get_chevron_1)${green}\$(get_identity)${grey}\$(get_chevron_2)${blue}\w${grey}\$(get_chevron_3)${green}\$(get_branch) ${reset}${greydark}${reset}\n${green}❯${reset} "