PS1 bolado

ps1.sh

#!/bin/bash

DEFAULT="\[\033[0;00m\]"
RED="\[\033[1;31m\]"
GREEN="\[\033[0;32m\]"
YELLOW="\[\033[0;33m\]"
PURPLE="\[\033[0;35m\]"
CYAN="\[\033[0;36m\]"

__error_red_num() {
  test "$?" = "0" || echo -e "\033[1;31m $?"
}

__sys_name() {
  sys_name=
  command -v uname 1>/dev/null && \
  command -v head 1>/dev/null && \
  command -v awk 1>/dev/null && \
  command -v cat 1>/dev/null && \
  command -v grep 1>/dev/null && \
  command -v sed 1>/dev/null && {
    os=$(uname -a | head -n1 | awk '{print $1;}')
    if [ "$os" = "Linux" ] ; then
      test -f /etc/os-release 2>/dev/null && sys_name=$(cat /etc/os-release | grep ^NAME= | sed 's/NAME="//g' | sed 's/"//g')
    else
      sys_name="$os"
    fi
  }
  echo -e "$PURPLE$sys_name"
}

test -z $(__git_ps1 2>/dev/null) && {
  __git_ps1() {
    command -v git 1>/dev/null && \
    test -d .git && \
      printf "$1" "$(git branch --show-current)"
  }
}

export PS1=$GREEN"\u@\h"$YELLOW" \w $(__sys_name)"$CYAN'$(__git_ps1 " (%s)")$(__error_red_num)'$DEFAULT"\n\$ "