Don't apply hostname check to onion

src/freedombone-utils-dns

@@ -366,11 +366,13 @@ function hostname_check {
 
     { echo '#!/bin/bash';
       echo "curr_hostname=\$(echo \$HOSTNAME)";
-      echo "expected_hostname=\$(grep 'DEFAULT_DOMAIN_NAME=' $CONFIGURATION_FILE | awk -F '=' '{print \$2}')";
-      echo "if [[ \"\$curr_hostname\" != \"\$expected_hostname\" ]]; then";
-      echo "    export HOSTNAME=\"\$expected_hostname\"";
-      echo "    hostname \$expected_hostname";
-      echo "    systemctl restart exim4";
+      echo "if [[ \"\$curr_hostname\" != *'.onion' ]]; then";
+      echo "    expected_hostname=\$(grep 'DEFAULT_DOMAIN_NAME=' $CONFIGURATION_FILE | awk -F '=' '{print \$2}')";
+      echo "    if [[ \"\$curr_hostname\" != \"\$expected_hostname\" ]]; then";
+      echo "        export HOSTNAME=\"\$expected_hostname\"";
+      echo "        hostname \$expected_hostname";
+      echo "        systemctl restart exim4";
+      echo '    fi';
       echo 'fi'; } > "$rootdir/etc/cron.hourly/hostname_check"
     chmod +x "$rootdir/etc/cron.hourly/hostname_check"
 }