[monitoring-plugins] check_http: Adding deprecation text

[Jan Wagner]

 Module: monitoring-plugins
 Branch: master
 Commit: 14169fe5a11b94a9f9ab44336fdb5170ee98be66
 Author: Jan Wagner <waja at cyconet.org>
   Date: Sat Apr 19 14:37:46 2025 +0200
    URL: https://www.monitoring-plugins.org/repositories/monitoring-plugins/commit/?id=14169fe5

check_http: Adding deprecation text

---

 plugins/check_http.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/plugins/check_http.c b/plugins/check_http.c
index baff682a..8e0c15ec 100644
--- a/plugins/check_http.c
+++ b/plugins/check_http.c
@@ -1724,6 +1724,16 @@ print_help (void)
   printf ("%s\n", _("strings and regular expressions, check connection times, and report on"));
   printf ("%s\n", _("certificate expiration times."));
 
+  printf ("\n");
+  printf ("%s\n", _("ATTENTION!"));
+  printf ("\n");
+  printf ("%s\n", _("THIS PLUGIN IS DEPRECATED. The functionality was reimplemented by the"));
+  printf ("%s\n", _("check_curl plugin, which can be used as a drop-in replacement. You should"));
+  printf ("%s\n", _("migrate your checks over to check_curl, because check_http is going to be"));
+  printf ("%s\n", _("removed sooner than later. Just replace check_http with check_curl in your"));
+  printf ("%s\n", _("check command definitions."));
+  printf ("%s\n", _("Report issues to: https://github.com/monitoring-plugins/monitoring-plugins/issues"));
+
   printf ("\n\n");
 
   print_usage ();