✨ Further preparations for automatic package updates

Refs: #8

autoupdate.sh

@@ -0,0 +1,20 @@
+#!/usr/bin/env bash
+
+set -euo pipefail
+
+dir="$(find . -maxdepth 1 -type d -name "intellij-idea-*")"
+pushd "$dir" || exit 1
+
+check="$(uscan --dehs --no-download)"
+status="$(echo "$check" | xmllint --xpath 'string(/dehs/status)' -)"
+
+if [[ "$status" != "newer package available" ]]; then
+    echo "No newer package available."
+    exit
+fi
+
+new_version="$(echo "$check" | xmllint --xpath 'string(/dehs/upstream-version)' -)"
+
+popd
+
+./update-new-version.sh --autoupdate "$new_version"