{ pkgs }:

# Wrapper/script for i3-lock to use '~/Pictures/wallpaper.png' as the lock screen

pkgs.writeShellScriptBin "lock-screen" ''
  #!/usr/bin/env sh
  set -eu

  WALL="\$\{1:-$HOME/Pictures/wallpaper.png}"
  TMP="/tmp/lockscreen.png"

  # Get current resolution (single-monitor friendly)
  RES=$(xrandr | awk '/\*/ {print $1; exit}')

  # Scale like feh --bg-fill
  magick "$WALL" -resize "\$\{RES}^" -gravity center -extent "$RES" "$TMP"

  i3lock -i "$TMP"
''