ndnsec: add a short description to the --help output of each command

Change-Id: Ifcc217bb096f1f27bceb609f5f117cf8b1d0c73d

Author: Pesa

docs/manpages/ndnsec-key-gen.rst

@@ -5,7 +5,7 @@ Synopsis
 --------
 
 **ndnsec key-gen** [**-h**] [**-n**] [**-t** *type*]
-[**-k** *keyidtype*\|\ **--keyid** *keyid*] *identity*
+[**-k** *keyidtype*\|\ **\--keyid** *keyid*] *identity*
 
 Description
 -----------

tools/ndnsec/cert-dump.cpp

@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /*
- * Copyright (c) 2013-2023 Regents of the University of California.
+ * Copyright (c) 2013-2024 Regents of the University of California.
  *
  * This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
  *
@@ -43,6 +43,8 @@ ndnsec_cert_dump(int argc, char** argv)
   po::options_description description(
     "Usage: ndnsec cert-dump [-h] [-p] [-r [-H HOST] [-P PORT]] [-i|-k|-f] [-n] NAME\n"
     "\n"
+    "Display a certificate from a file or the local PIB.\n"
+    "\n"
     "Options");
   description.add_options()
     ("help,h", "produce help message")

tools/ndnsec/cert-gen.cpp

@@ -46,6 +46,8 @@ ndnsec_cert_gen(int argc, char** argv)
     "Usage: ndnsec cert-gen [-h] [-S TIMESTAMP] [-E TIMESTAMP] [-I INFO]...\n"
     "                       [-s IDENTITY] [-i ISSUER] [-r] FILE\n"
     "\n"
+    "Issue a certificate from a certificate signing request.\n"
+    "\n"
     "Options");
   description.add_options()
     ("help,h", "produce help message")

tools/ndnsec/cert-install.cpp

@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /*
- * Copyright (c) 2013-2023 Regents of the University of California.
+ * Copyright (c) 2013-2024 Regents of the University of California.
  *
  * This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
  *
@@ -42,6 +42,8 @@ ndnsec_cert_install(int argc, char** argv)
   po::options_description description(
     "Usage: ndnsec cert-install [-h] [-I|-K|-N] [-f] FILE\n"
     "\n"
+    "Import a certificate from a file.\n"
+    "\n"
     "Options");
   description.add_options()
     ("help,h", "produce help message")

tools/ndnsec/delete.cpp

@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /*
- * Copyright (c) 2013-2023 Regents of the University of California.
+ * Copyright (c) 2013-2024 Regents of the University of California.
  *
  * This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
  *
@@ -36,6 +36,8 @@ ndnsec_delete(int argc, char** argv)
   po::options_description description(
     "Usage: ndnsec delete [-h] [-k|-c] [-n] NAME\n"
     "\n"
+    "Delete an identity, key, or certificate.\n"
+    "\n"
     "Options");
   description.add_options()
     ("help,h", "produce help message")

tools/ndnsec/export.cpp

@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /*
- * Copyright (c) 2013-2023 Regents of the University of California.
+ * Copyright (c) 2013-2024 Regents of the University of California.
  *
  * This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
  *
@@ -47,6 +47,8 @@ ndnsec_export(int argc, char** argv)
   po::options_description visibleOptDesc(
     "Usage: ndnsec export [-h] [-o FILE] [-P PASSPHRASE] [-i|-k|-c] NAME\n"
     "\n"
+    "Export a private key and its certificate in SafeBag format.\n"
+    "\n"
     "Options");
   visibleOptDesc.add_options()
     ("help,h", "produce help message")

tools/ndnsec/get-default.cpp

@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /*
- * Copyright (c) 2013-2023 Regents of the University of California.
+ * Copyright (c) 2013-2024 Regents of the University of California.
  *
  * This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
  *
@@ -38,6 +38,8 @@ ndnsec_get_default(int argc, char** argv)
   po::options_description description(
     "Usage: ndnsec get-default [-h] [-k|-c] [-i ID|-K KEY] [-q]\n"
     "\n"
+    "Show the default identity, key, or certificate.\n"
+    "\n"
     "Options");
   description.add_options()
     ("help,h", "produce help message")

tools/ndnsec/import.cpp

@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /*
- * Copyright (c) 2013-2023 Regents of the University of California.
+ * Copyright (c) 2013-2024 Regents of the University of California.
  *
  * This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
  *
@@ -43,6 +43,8 @@ ndnsec_import(int argc, char** argv)
   po::options_description description(
     "Usage: ndnsec import [-h] [-P PASSPHRASE] [-i] FILE\n"
     "\n"
+    "Import a private key and its certificate from a SafeBag.\n"
+    "\n"
     "Options");
   description.add_options()
     ("help,h", "produce help message")

tools/ndnsec/key-gen.cpp

@@ -36,7 +36,10 @@ ndnsec_key_gen(int argc, char** argv)
   std::string userKeyId;
 
   po::options_description description(
-    "Usage: ndnsec key-gen [-h] [-n] [-t TYPE] [-k KEYIDTYPE|--keyid KEYID] [-i] IDENTITY\n"
+    "Usage: ndnsec key-gen [-h] [-n] [-t TYPE] [-k KEYIDTYPE|--keyid KEYID]\n"
+    "                      [-i] IDENTITY\n"
+    "\n"
+    "Generate a public/private key pair for an identity.\n"
     "\n"
     "Options");
   description.add_options()

tools/ndnsec/list.cpp

@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /*
- * Copyright (c) 2013-2023 Regents of the University of California.
+ * Copyright (c) 2013-2024 Regents of the University of California.
  *
  * This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
  *
@@ -208,6 +208,8 @@ ndnsec_list(int argc, char** argv)
   po::options_description description(
     "Usage: ndnsec list [-h] [-k] [-c] [-v]\n"
     "\n"
+    "List all known identities, keys, and certificates.\n"
+    "\n"
     "Options");
   description.add_options()
     ("help,h", "produce help message")