fix: Add check for whether a WebP file is animated (cwebp does not support compressing animated files)

friendica-fix-avatar-permissions.sh

@@ -28,6 +28,9 @@ loop_1(){
 	then
 		nice -n 10 oxipng -o max "${p}" #&> /dev/null
 	elif [[ "${p}" =~ .webp ]]
+	then
+		#If file is not animated
+		if [[ $(grep -v -q -e "ANIM" -e "ANMF" "${p}" ]]
 		then
 			nice -n 10 cwebp -mt -af -quiet "${p}" -o /tmp/temp.webp #&> /dev/null
 			if [[ -f /tmp/temp.webp ]]
@@ -42,6 +45,7 @@ loop_1(){
 				fi
 			fi
 		fi
+	fi
 }
 
 cd "${folder}" || exit