Fix issues in 1.4.13.sh / upgrade scripts (hestiacp#2103)

* Fix bug with escaping 1.4.13.sh

* Check command not executed

Author: jaapmarcus

install/upgrade/versions/1.4.13.sh

@@ -17,10 +17,12 @@
 #######################################################################################
 
 
+servername=$(hostname -f);
 # Check if hostname is valid according to RFC1178
-if [[ $(echo "$servername" | grep -o "\." | wc -l) -lt 2 ]] || [[ $servername =~ ^[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+$ ]];; then
+if [[ $(echo "$servername" | grep -o "\." | wc -l) -lt 2 ]] || [[ $servername =~ ^[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+$ ]]; then
+    echo "[ * ] Hostname does not follow  RFC1178 standard Please check email send regarding the update!"
     UPGRADE_MESSAGE="$UPGRADE_MESSAGE\nWe've noticed that you're using a invalid hostname. Please have a look at the RFC1178 standard (https://datatracker.ietf.org/doc/html/rfc1178) and use a valid one (ex. hostname.domain.tld). You can change the hostname using v-change-sys-hostname and also add a ssl certificate using v-add-letsencypt-host (proper dns A record mandatory). You'll find more informations in our documentation: https://docs.hestiacp.com/admin_docs/web/ssl_certificates.html#how-to-setup-let-s-encrypt-for-the-control-panel"
-    $HESTIA/bin/v-add-user-notification admin "Invalid Hostname detected" "Warning: We've noticed that you're using a invalid hostname. Please have a look at the <a href="https://datatracker.ietf.org/doc/html/rfc1178" target="_blank">RFC1178 standard</a> and use a valid one (ex. hostname.domain.tld). You can change the hostname using v-change-sys-hostname and also add a ssl certificate using v-add-letsencypt-host (proper dns A record mandatory). You'll find more informations in our <a href="https://docs.hestiacp.com/admin_docs/web/ssl_certificates.html#how-to-setup-let-s-encrypt-for-the-control-panel" target=_"blank">documentation</a>."
+    $HESTIA/bin/v-add-user-notification admin "Invalid Hostname detected" "Warning: We've noticed that you're using a invalid hostname. Please have a look at the <a href=\"https://datatracker.ietf.org/doc/html/rfc1178\" target=\"_blank\">RFC1178 standard</a> and use a valid one (ex. hostname.domain.tld). You can change the hostname using v-change-sys-hostname and also add a ssl certificate using v-add-letsencypt-host (proper dns A record mandatory). You'll find more informations in our <a href=\"https://docs.hestiacp.com/admin_docs/web/ssl_certificates.html#how-to-setup-let-s-encrypt-for-the-control-panel\" target=\"_blank\">documentation</a>."
 fi
 
 # Empty $HESTIA/ssl/mail/ due to bug in #2066