(W)ait (U)ntil (AMI) (D)one

wuamid

#!/bin/zsh
autoload colors

if [[ "$terminfo[colors]" -gt 8 ]]; then
    colors
fi

for COLOR in RED GREEN YELLOW BLUE MAGENTA CYAN BLACK WHITE; do
    eval ${COLOR}='$fg_no_bold[${(L)COLOR}]'
    eval BOLD_${COLOR}='$fg_bold[${(L)COLOR}]'
done

function info() {
    echo "${CYAN}[INFO] ${1}${RESET}"
}

eval RESET='$reset_color'

IMGID=$1

local spinstr='|/-\'
local delay=0.75
while [ "$(aws ec2 describe-images --image-ids $IMGID --query 'Images[].State' --output text 2> /dev/null | grep -v available)" ]; do
    local temp=${spinstr#?}
    printf " [%c]  " "$spinstr"
    local spinstr=$temp${spinstr%"$temp"}
    sleep $delay
    printf "\b\b\b\b\b\b"
done

info " _______   ______   .__   __.  _______"
info "|       \\ /  __  \\  |  \\ |  | |   ____|"
info "|  .--.  |  |  |  | |   \\|  | |  |__   "
info "|  |  |  |  |  |  | |  . \`  | |   __|  "
info "|  '--'  |  \`--'  | |  |\\   | |  |____ "
info "|_______/ \\______/  |__| \\__| |_______|"