dotfiles/utils/welcome-banner.sh

#!/bin/bash

# Welcome script, prints personalised, time-based greeting and system info
# Licensed under MIT, (C) Alicia Sykes 2021: https://aliciasykes.com

function welcome() {
  # Determine greeting based on the time of day
  h=`date +%H`
  if [ $h -lt 04 ] || [[ $h -gt 22 ]]; then greeting="Good Night"
  elif [ $h -lt 12 ]; then greeting="Good morning"
  elif [ $h -lt 18 ]; then greeting="Good afternoon"
  elif [ $h -lt 22 ]; then greeting="Good evening"
  else greeting="Hello"
  fi

  COLOR_P="\033[1;36m"
  COLOR_S="\033[0;36m"

  # Make welcome message
  WELCOME_MSG="$greeting $USER!"

  # Print welcome message, using figlet & lolcat if availible
  if hash lolcat 2>/dev/null && hash figlet 2>/dev/null; then
    echo "${WELCOME_MSG}" | figlet | lolcat
  else
    echo -e "$COLOR_P${WELCOME_MSG}\033[0m\n"
  fi

  # Print system information with neofetch, if it's installed
  if hash neofetch 2>/dev/null; then
    neofetch --shell_version off \
      --disable shell resolution de wm wm_theme theme icons terminal \
      --backend off \
      --colors 4 8 4 4 8 6 \
      --color_blocks off \
      --memory_display info
  fi

  timeout=0.5

  echo "\033[1;34mToday\n------"

  # Print date time
  echo "$COLOR_S$(date '+🗓️  Date: %A, %B %d, %Y at %H:%M')"

  # Print local weather
  curl -s -m $timeout "wttr.in?format=%cWeather:+%C+%t,+%p+%w"
  echo -e "\033[0m"

  # Print IP address
  if hash ip 2>/dev/null; then
    ip_address=$(ip route get 8.8.8.8 | awk -F"src " 'NR==1{split($2,a," ");print a[1]}')
    ip_interface=$(ip route get 8.8.8.8 | awk -F"dev " 'NR==1{split($2,a," ");print a[1]}')
    echo "${COLOR_S}🌐 IP: $(curl -s -m $timeout 'https://ipinfo.io/ip') (${ip_address} on ${ip_interface})\033[0m\n"
  fi
}

# Determine if file is being run directly or sourced
([[ -n $ZSH_EVAL_CONTEXT && $ZSH_EVAL_CONTEXT =~ :file$ ]] || 
  [[ -n $KSH_VERSION && $(cd "$(dirname -- "$0")" &&
    printf '%s' "${PWD%/}/")$(basename -- "$0") != "${.sh.file}" ]] || 
  [[ -n $BASH_VERSION ]] && (return 0 2>/dev/null)) && sourced=1 || sourced=0

# If script being called directly run immediatley
if [ $sourced -eq 0 ]; then
  welcome $@
fi

# EOF