From 8440965ee695513084a9fc23a0265e168af3c209 Mon Sep 17 00:00:00 2001
From: losuler <losuler@posteo.net>
Date: Sun, 8 May 2022 01:26:52 +1000
Subject: [PATCH] feat: add flag for printing only version

This is for use in the GitHub action.
---
 check-updates.sh | 33 ++++++++++++++++++++++++---------
 1 file changed, 24 insertions(+), 9 deletions(-)

diff --git a/check-updates.sh b/check-updates.sh
index f18900c..e79a259 100755
--- a/check-updates.sh
+++ b/check-updates.sh
@@ -14,12 +14,27 @@ LATEST_RELEASE=$(curl --silent https://www.netacad.com/courses/packet-tracer/faq
     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} == ${PREV_RELEASE}."
-fi
+function print_release {
+    if [[ "${LATEST_RELEASE}" != "${PREV_RELEASE}" ]]; then
+        if [[ "$1" != "version-only" ]]; then
+            echo "There's a new release of Packet Tracer."
+            echo "https://www.netacad.com/courses/packet-tracer/faq"
+        fi
+        echo "${LATEST_RELEASE} > ${PREV_RELEASE}."
+    else
+        if [[ "$1" != "version-only" ]]; then
+            echo "There's no new release of Packet Tracer."
+            echo "https://www.netacad.com/courses/packet-tracer/faq"
+        fi
+        echo "${LATEST_RELEASE} == ${PREV_RELEASE}."
+    fi
+}
+
+case "$@" in
+    --version-only)
+        print_release "version-only"
+        ;;
+    *)
+        print_release ""
+        ;;
+esac