My custom bash prompt and my bash run command script. ps1 should be sourced by your .bashrc

ps1.sh

PROMPT_COMMAND=_prompt_command

_prompt_command() {

  local exit="$?"

  PS1="$exit"

  # Use unicode characters in prompt 
  ALTERNATE_CURVE=0

  # color code $1
  # 0: black
  # 1: red
  # 2: green
  # 3: yellow
  # 4: blue
  # 5: purple
  # 6: cyan
  # 7: white
  # +
  # 30: foreground
  # 40: background
  # bold $2
  # 0: not bold
  # 1: bold
  # print bash escapes $3
  # blank: print
  # else: don't
  _color() {
    if [ -z "$3" ]; then
      echo -e -n "\[" # or \001
    fi
  
    if [ -v $1 ]; then
      echo -e -n "\e[0m"
    else
      echo -e -n "\e[$2;$1m"
    fi

    if [ -z "$3" ]; then
      echo -e -n "\]" # or \002
    fi
  }

  #    user    hostname     time        cpu  freemem  title   jobs
  # ┌─[bitbyte@localhost]──[12:30:00]──[0.05:120000]──[pts/1]─[2]
  # └─[dir]─[127]─
  #    cwd   error
  # user is green or bg red if root
  # hostname is blue or cyan if sshing
  # time is purple and is 24 hour
  # cpu is red and cpu load 1 min
  # freemem is blue and free memory kB
  # title is cyan and $PT otherwise tty
  # jobs is yellow and amount of running jobs
  # cwd is red and is basename of cwd or ~ if $HOME
  # error is yellow and is previous command error

  PS1=""

  if [ "$ALTERNATE_CURVE" -eq 1 ]; then
    PS1+="$(_color 42)╭─$(_color)[" # box for username@hostname
  else
    PS1+="$(_color 42)┌─$(_color)[" # box for username@hostname
  fi

  if [ "$EUID" -eq 0 ]; then # check if root
    PS1+="$(_color 41 1)" # background red if root
  else
    PS1+=$(_color 32 1) # green otherwise
  fi
  PS1+="$(whoami)" # username

  PS1+="$(_color)@"
  
  if [ -n "$SSH_CLIENT" ] || [ -n "$SSH_TTY" ]; then
    PS1+="$(_color 36 1)$(hostname -s)" # cyan if sshing
  else
    PS1+="$(_color 34 1)$(hostname -s)" # blue otherwise
  fi
  
  PS1+="$(_color)]" # close box for username@hostname
  PS1+="──[" # box for time
  
  PS1+="$(_color 35 1)$(date '+%H:%M:%S')" # date
  
  PS1+="$(_color)]" # close box for time
  PS1+="──[" # box for cpuinfo

  if [ -r /proc/loadavg ]; then
    PS1+="$(_color 31 1)$(grep '[0-9|\.|\/]\+' /proc/loadavg -o | sed -n 1p)"
  fi
  
  if [ -r /proc/loadavg ] && [ -r /proc/meminfo ]; then
    PS1+="$(_color):"
  fi

  if [ -r /proc/meminfo ]; then
    PS1+="$(_color 34 1)$(grep MemFree /proc/meminfo | grep -o '[0-9]*')"
  fi

  PS1+="$(_color)]" # close box for cpuinfo
  PS1+="──[" # box for title

  if [ "$PT" != "" ]; then # title
    PS1+="$(_color 36 1)${PT}" # use PT env variable
  else
    PS1+="$(_color 36 1)$(basename $(dirname $(tty)))/$(basename $(tty))" # default to tty id
  fi

  PS1+="$(_color)]" # close box for title

  if [ $(jobs -p | wc -l) -ne 0 ]; then
    PS1+="─["

    PS1+="$(_color 33 1)$(jobs -p | wc -l)"

    PS1+="$(_color)]"
  fi

  #PS1+="$(echo -e -n "\[")\n$(echo -e -n "\]")"
  PS1+="\n" # next line

  if [ "$ALTERNATE_CURVE" -eq 1 ]; then 
    PS1+="$(_color 46)╰─$(_color)[" # next line and box for working directory
  else
    PS1+="$(_color 46)└─$(_color)[" # next line and box for working directory
  fi
  
  PS1+="$(_color 31 1)$(basename "${PWD/$HOME/'~'}")" # make home tilde and use base directories
  # PS1+="$(_color 31 1)$(basename "$PWD")" # use base normal directories
  # PS1+="$(_color 31 1)${PWD/$HOME/'~'}" # use nornal directories with home


  PS1+="$(_color)]─"

  if [ $exit -ne 0 ]; then
    PS1+="["
  
    PS1+="$(_color 33 1)$exit"

    PS1+="$(_color)]"
  fi
  
  PS1+="$(_color)─[" # end shell

  if [ "$ALTERNATE_CURVE" -eq 1 ]; then 
    PS2="$(_color 45)╰─$(_color)[" # continuation prompt (for unmatched quotes)
  else
    PS2="$(_color 45)└─$(_color)[" # continuation prompt (for unmatched quotes)
  fi

  # Additional styling

  # Cursor block color
  PS1+="$(echo -e "\[")\e]12;#ff8000\a$(echo -e "\]")"

  # Use a blinking cursor block
  # PS1+="\e[1 q"

}