test fix for multiple users on greeter

scripts/copy-scheme-wallpaper.sh

@@ -7,6 +7,38 @@ main() {
 	sudo mkdir -p "/etc/zshell-greeter/images"
 	sudo cp "$WALLPAPER" "/etc/zshell-greeter/images/greeter_bg.png"
 	sudo cp "$SCHEME" "/etc/zshell-greeter/scheme.json"
+
+	while IFS=: read -r username _ uid _ _ home _; do
+		if [[ -z "$username" || -z "$uid" || -z "$home" ]]; then
+			continue
+		fi
+
+		if [[ "$uid" -lt 1000 ]]; then
+			continue
+		fi
+
+		face_path=""
+		for candidate in "$home/.face" "$home/.face.icon"; do
+			if [[ -f "$candidate" ]]; then
+				face_path="$candidate"
+				break
+			fi
+		done
+
+		if [[ -n "$face_path" ]]; then
+			ext="${face_path##*.}"
+			case "$face_path" in
+			"$home/.face" | "$home/.face.icon")
+				ext=""
+				;;
+			esac
+			if [[ -n "$ext" ]]; then
+				sudo cp "$face_path" "/etc/zshell-greeter/images/${username}.${ext}"
+			else
+				sudo cp "$face_path" "/etc/zshell-greeter/images/${username}.face"
+			fi
+		fi
+	done </etc/passwd
 }
 
 main "$@"