epm play: add duplicati support

play.d/duplicati.sh

+#!/bin/sh
+
+PKGNAME=duplicati
+DESCRIPTION="Duplicati from the official site"
+
+. $(dirname $0)/common.sh
+
+pkgtype="$($DISTRVENDOR -p)"
+
+# we have workaround for their postinstall script, so always repack rpm package
+[ "$pkgtype" = "deb" ] || repack='--repack'
+
+#PKG=$($EGET --list --latest https://www.duplicati.com/download "duplicati-*$pkgtype") || fatal "Can't get package URL"
+PKG=$($EGET -O /dev/stdout https://updates.duplicati.com/beta/latest-installers.js | grep -i -o -E '"url": "(.+)"' | cut -d'"' -f4 | grep "duplicati.*$pkgtype")
+
+epm install $repack "$PKG"