i3lock-color bash script and configuration

lock.sh

#!/bin/sh -e

# Executes i3lock-color with a configured DPMS setting.
# This is to turn off the displays much quicker when locking the system.
# Also scales the image to fit the resolution

revert()
{
  xset dpms $default_sleep_time &&
  rm $wallpaper
}

default_sleep_time=600
lock_sleep_time=60

wallpaper=mktemp

cp ~/Pictures/wallpaper.png $wallpaper

screenW=$(xrandr --current | grep '*' | uniq | awk '{print $1}' | cut -d 'x' -f1 | head -n 1)
screenH=$(xrandr --current | grep '*' | uniq | awk '{print $1}' | cut -d 'x' -f2 | head -n 1)

convert $wallpaper -gravity center -resize ${screenW}x${screenH}\! $wallpaper

green=00ff99c0
red=ff5050c0
cyan=66ffffa0
transparent=00000000
slighttransparent=808080e0
semitrans=80808040
timecolor=99ffdda5

timeposx=250
timeposy=$((screenH-150))
dateposy=$((timeposy+50))

timefont="Monospace"

trap revert HUP INT TERM
xset dpms $lock_sleep_time
i3lock-color \
    --insidecolor=$semitrans --ringcolor=$slighttransparent --line-uses-inside \
    --keyhlcolor=$green --bshlcolor=$red --separatorcolor=$transparent \
    --insidevercolor=$semitrans --insidewrongcolor=$semitrans \
    --ringvercolor=$cyan --ringwrongcolor=$red \
    --radius=120 --ring-width=7 \
    --veriftext="" --wrongtext="" --noinputtext="_" \
    --wrongcolor=$red \
    --clock \
    --timestr="%H:%M" --timepos="x+$timeposx:y+$timeposy" --timecolor=$timecolor --time-align=2 --timesize=72 \
    --time-font=$timefont \
    --datestr="%a, %b %d" --datepos="x+$timeposx:y+$dateposy" --datecolor=$timecolor --date-align=2 --datesize=24 \
    --date-font=$timefont \
    --nofork --tiling --image $wallpaper

revert