From 108f9f31881607364b9d8a0656b8ab9ab9706d5a Mon Sep 17 00:00:00 2001
From: Andrew Belt <andrewpbelt@gmail.com>
Date: Wed, 4 Jan 2023 05:25:50 -0500
Subject: [PATCH] Add --help command-line flag.

---
 adapters/standalone.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/adapters/standalone.cpp b/adapters/standalone.cpp
index 940d645f..0e24be00 100644
--- a/adapters/standalone.cpp
+++ b/adapters/standalone.cpp
@@ -82,6 +82,7 @@ int main(int argc, char* argv[]) {
 		{"system", required_argument, NULL, 's'},
 		{"user", required_argument, NULL, 'u'},
 		{"version", no_argument, NULL, 'v'},
+		{"help", no_argument, NULL, 256},
 		{NULL, 0, NULL, 0}
 	};
 	int c;
@@ -112,6 +113,11 @@ int main(int argc, char* argv[]) {
 				std::fprintf(stderr, "%s\n", appInfo.c_str());
 				return 0;
 			}
+			case 256: { // --help
+				std::fprintf(stderr, "%s\n", appInfo.c_str());
+				std::fprintf(stderr, "https://vcvrack.com/manual/Installing#Command-line-usage\n");
+				return 0;
+			}
 			// Mac "app translocation" passes a nonsense -psn_... flag, so -p is reserved.
 			case 'p': break;
 			default: break;