Add check-version.sh script

check-version.sh

@@ -0,0 +1,15 @@
+#!/bin/bash
+
+# Github repository
+REPO="hughsie/appstream-glib"
+
+# Get tag name using Github Rest API
+TAG_NAME=$(curl -s -L -H "X-GitHub-Api-Version: 2022-11-28" -H "Authorization: token ${GITHUB_API_TOKEN}" https://api.github.com/repos/"$REPO"/tags | jq -r '.[0].name')
+
+# Trim prefix
+VERSION=${TAG_NAME//appstream_glib_/}
+
+# Replace '_' with '.'
+VERSION=${VERSION//_/.}
+
+echo "$VERSION"