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- #!/bin/bash
- # set sane defaults
- [ -z "$wallpaper_sleep_for" ] && wallpaper_sleep_for="180"
- [ -z "$wallpaper_path" ] && wallpaper_path="$(xdg-user-dir PICTURES)/wallpaper"
- mkdir -p "$wallpaper_path"
- # validate wallpaper path
- [ $(find "$wallpaper_path" -type f | wc -l) -gt 0 ] || exit 1
- # there can be only one
- while [ $(ps aux | grep -v 'grep' | grep -c "$0") -gt 2 ]; do
- kill $(ps aux | grep -v 'grep' | grep -v $$ | grep "$0" | awk '{print $2}') &> /dev/null
- done
- # infinitely change wallpaper
- while true; do
- old_pid=$(ps aux | grep swaybg | awk 'NR==1{ print $2 }')
- swaybg_cmd="swaybg"
- sway_outputs=( $(swaymsg -t get_outputs | jq -r '.[].name') )
- for op in "${sway_outputs[@]}"; do
- wp=$(printf '%q' "$(find $wallpaper_path -type f | sort -R | tail -1)")
- swaybg_cmd="${swaybg_cmd} -o $op -i $wp -m fit -c \#000000"
- done
- eval $swaybg_cmd &
- sleep 1
- [ -n "$old_pid" ] && kill $old_pid 2>/dev/null
- sleep $wallpaper_sleep_for
- done
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