Support PNG wallpapers, exclude sway wallpapers

PKGBUILD

@@ -1,6 +1,6 @@
 # Maintainer: David Thurstenson <thurstylark@gmail.com>
 pkgname=greetd-tlgreet
-pkgver=0.3
+pkgver=0.4
 pkgrel=1
 pkgdesc="Thurstylark's greetd + wlgreet setup"
 arch=(any)
@@ -15,7 +15,7 @@ source=("greetd.toml"
 	"waybar.css"
 	"greetd.service.override.conf")
 md5sums=('db675a996223c3f155885d7494b16282'
-         '00f6fd55e5ddb9dd2f4a24d7a0b64a34'
+         '167d68617d8ef5da0013449e27a4a495'
          '4c1b6e5dff4071bff81e935322743974'
          'bfdda1ad67829fd55d3612c857df18dc'
          '0b3156d2868912d8b4141428b72b4bbe'

sway-wlgreet.conf

@@ -9,7 +9,7 @@
 #
 
 # Wallpapers dir
-set $wallpapers-path /usr/share/backgrounds/
+set $wallpapers-path /usr/share/backgrounds
 
 # Fallback color if no wallpapers exist
 set $fallback-color "#333333"
@@ -37,7 +37,7 @@ set $waybar-css /etc/greetd/tlgreet/waybar.css
 #
 
 # Set the wallpaper to a random file in the wallpapers dir
-output * bg `find $wallpapers-path -type f -name *.jpg | shuf -n 1` fill $fallback-color
+output * bg $$(find $wallpapers-path -type f \( -iname \*.jpg -o -iname \*.png \) -not -path $wallpapers-path/sway/\* | shuf -n 1) fill $fallback-color
 
 # Touchpad options
 input $touchpad {