#!/bin/sh

wl-paste -t image > /tmp/convert-paste-png.data
#convert /tmp/convert-paste-png.data -format png "$1"

case "$(file --dereference --brief --mime-type -- "/tmp/convert-paste-png.data")" in
	image/jpg|image/jpeg) convert /tmp/convert-paste-png.data -format png "$1" ;;
	image/png) wl-paste -t image/png > "$1" ;;
esac

rm /tmp/convert-paste-png.data