#!/bin/sh
# Usage: swaybg-random directory

DIR=$1
PIDFILE=$XDG_RUNTIME_DIR/swaybg.pid

if test -z "$DIR"; then
    echo "Usage: swaybg-random dir"
    exit 1
fi

swaybg -i $(find $DIR/. -type f | shuf -n1) -m fill -o \* &
NEWPID=$!
pkill -F $PIDFILE
echo $NEWPID > $PIDFILE