post_install() {
    cd "/usr/share/sine"
	xdg-icon-resource install --context mimetypes --size 256 preset.png application-x-sine
	xdg-mime install preset-mime.xml
	xdg-icon-resource install --novendor --size  256 sine.png sine
	xdg-icon-resource install --novendor --size  256 editor.png sine-editor
}
pre_remove() {
	cd "/usr/share/sine"
	xdg-mime uninstall preset-mime.xml
}