From 79f754a968798fac4fa5bb09129da5adf0973930 Mon Sep 17 00:00:00 2001
From: Massimiliano Culpo <massimiliano.culpo@gmail.com>
Date: Thu, 4 Nov 2021 20:41:58 +0100
Subject: Sort arguments lexicographically in command's help (#27196)

---
 lib/spack/spack/main.py | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'lib')

diff --git a/lib/spack/spack/main.py b/lib/spack/spack/main.py
index 1eeec8827b..31a4bfe4ed 100644
--- a/lib/spack/spack/main.py
+++ b/lib/spack/spack/main.py
@@ -12,6 +12,7 @@ from __future__ import print_function
 
 import argparse
 import inspect
+import operator
 import os
 import os.path
 import pstats
@@ -188,6 +189,10 @@ class SpackHelpFormatter(argparse.RawTextHelpFormatter):
             usage = '[-%s] %s' % (chars, usage)
         return usage.strip()
 
+    def add_arguments(self, actions):
+        actions = sorted(actions, key=operator.attrgetter('option_strings'))
+        super(SpackHelpFormatter, self).add_arguments(actions)
+
 
 class SpackArgumentParser(argparse.ArgumentParser):
     def format_help_sections(self, level):
-- 
cgit v1.2.3-60-g2f50