From 83439e38fc025bda79eec0096b8cc60379757206 Mon Sep 17 00:00:00 2001
From: David Lechner <david@pybricks.com>
Date: Sat, 1 Feb 2020 11:39:18 -0600
Subject: unix/main: Add command-line -h option for printing help text.

This adds a -h option to print the usage help text and adds a new, shorter
error message that is printed when invalid arguments are given.  This
behaviour follows CPython (and other tools) more closely.
---
 docs/unix/quickref.rst | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'docs/unix/quickref.rst')

diff --git a/docs/unix/quickref.rst b/docs/unix/quickref.rst
index ea0e6865c..a5180fa6c 100644
--- a/docs/unix/quickref.rst
+++ b/docs/unix/quickref.rst
@@ -8,7 +8,7 @@ Command line options
 
 Usage::
 
-    micropython [ -i ] [ -O<level> ] [ -v ] [ -X <option> ] [ -c <command> | -m <module> | <script> ] [ <args> ]
+    micropython [ -h ] [ -i ] [ -O<level> ] [ -v ] [ -X <option> ] [ -c <command> | -m <module> | <script> ] [ <args> ]
 
 
 Invocation options:
@@ -38,6 +38,10 @@ interactive REPL mode.
 
 General options:
 
+.. option:: -h
+
+    Prints a help message containing the command line usage and exits.
+
 .. option:: -i
 
     Enables inspection. When this flag is set, MicroPython will enter the
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