From 6a3702577fa69d98b6484f8300e581b088bc8d44 Mon Sep 17 00:00:00 2001
From: jesopo <github@lolnerd.net>
Date: Sat, 25 Jan 2020 23:15:02 +0000
Subject: [PATCH] when available, use command spec for !help usage

---
 src/core_modules/help.py | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

diff --git a/src/core_modules/help.py b/src/core_modules/help.py
index 58659d9d..3ebe4f66 100644
--- a/src/core_modules/help.py
+++ b/src/core_modules/help.py
@@ -6,11 +6,14 @@ class Module(ModuleManager.BaseModule):
         return hook.get_kwarg("help", None) or hook.docstring.description
     def _get_usage(self, hook, command, command_prefix=""):
         command = "%s%s" % (command_prefix, command)
-        usage = hook.get_kwarg("usage", None)
-        if usage:
-            usages = [usage]
-        else:
-            usages = hook.docstring.var_items.get("usage", None)
+
+        spec = hook.get_kwargs("spec")
+        usages_kwarg = hook.get_kwargs("usage")
+
+        if spec:
+            usages = [utils.parse.argument_spec_human(s) for s in spec]
+        elif usage:
+            usages = usages_kwarg
 
         if usages:
             return " | ".join(