faff

#!/bin/bash

# Sleeps for the given number of seconds, showing a progress bar.

if echo "$*" | grep -Eq -- '--help\b|-h\b' || [[ -z $1 ]]; then
    echo "usage: ${0##*/} SECONDS [-h|--help]" 1>&2
    echo "Sleeps for the given number of seconds, showing a progress bar." 1>&2
    exit 1
fi

set -ue

max="$1"
width="$(tput cols)"

start=$(vramsteg --now)
while :; do
    now=$(vramsteg --now)
    current=$((now - start))
    vramsteg --start="$start" \
        --estimate \
        --label sleeping \
        --style mono \
        --width "$width" \
        --min 0 \
        --max "$max" \
        --current "$current"
    sleep 1
    [[ $current -ge $1 ]] && break
done
vramsteg --remove --width "$width"