On Wed, Aug 10 2022, Victoria Dye via GitGitGadget wrote:

From: Victoria Dye <redacted>

Create a '--diagnose' option for 'git bugreport' to collect additional
information about the repository and write it to a zipped archive.
[...]
 'git bugreport' [(-o | --output-directory) <path>] [(-s | --suffix) <format>]
+		[--diagnose[=<mode>]]
[...]
 static const char * const bugreport_usage[] = {
-	N_("git bugreport [-o|--output-directory <file>] [-s|--suffix <format>]"),
+	N_("git bugreport [-o|--output-directory <file>] [-s|--suffix <format>] [--diagnose[=<mode>]"),
 	NULL
 };

This still has the SYNOPSIS v.s. -h discrepancy noted in
https://lore.kernel.org/git/220804.86v8r8ec4s.gmgdl@evledraar.gmail.com/ (local)