[PATCH] patman: Use less for help file, if available

[Nicolas Boichat]

It's convenient to be able to scroll up in `patman -H`.

Signed-off-by: Nicolas Boichat <drinkcat at chromium.org>
---

 tools/patman/main.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/tools/patman/main.py b/tools/patman/main.py
index c4e4d80d4250..5830c5a5e24f 100755
--- a/tools/patman/main.py
+++ b/tools/patman/main.py
@@ -9,6 +9,7 @@
 from argparse import ArgumentParser
 import os
 import re
+import shutil
 import sys
 import traceback
 import unittest
@@ -169,6 +170,8 @@ elif args.cmd == 'send':
 
     elif args.full_help:
         pager = os.getenv('PAGER')
+        if not pager:
+            pager = shutil.which('less')
         if not pager:
             pager = 'more'
         fname = os.path.join(os.path.dirname(os.path.realpath(sys.argv[0])),
-- 
2.30.0.478.g8a0d178c01-goog