patman: Use less for help file, if available
It's convenient to be able to scroll up in `patman -H`.
Signed-off-by: Nicolas Boichat <drinkcat@chromium.org>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/tools/patman/main.py b/tools/patman/main.py
index 4e0a353..04e37a5 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
@@ -171,6 +172,8 @@
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])),
'README')