From 63d7e831fe1a487b5e57688a525374ee08d27a71 Mon Sep 17 00:00:00 2001
From: losuler <losuler@posteo.net>
Date: Wed, 8 Dec 2021 03:01:35 +1100
Subject: [PATCH] Add script to check for updates

---
 check-updates.sh | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100755 check-updates.sh

diff --git a/check-updates.sh b/check-updates.sh
new file mode 100755
index 0000000..9460303
--- /dev/null
+++ b/check-updates.sh
@@ -0,0 +1,24 @@
+#!/bin/bash
+
+# Uncomment for debugging use
+# set -o xtrace
+set -o errexit
+set -o pipefail
+set -o nounset
+
+PREV_RELEASE="8.0.1"
+
+LATEST_RELEASE=$(curl --silent https://www.netacad.com/courses/packet-tracer/faq | \
+    grep --only-matching --perl-regexp "What’s new in Packet Tracer \d\.\d\.\d" | \
+    head -1 | \
+    grep --only-matching --perl-regexp '\d\.\d\.\d')
+
+if [[ "${LATEST_RELEASE}" != "${PREV_RELEASE}" ]]; then
+    echo "There's a new release of Packet Tracer."
+    echo "https://www.netacad.com/courses/packet-tracer/faq"
+    echo "${LATEST_RELEASE} > ${PREV_RELEASE}."
+else
+    echo "There's no new release of Packet Tracer."
+    echo "https://www.netacad.com/courses/packet-tracer/faq"
+    echo "${LATEST_RELEASE} == ${PREV_RELEASE}."
+fi