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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>
Nicolas Boichat 3 years ago
parent
commit
b1b6efc343
1 changed files with 3 additions and 0 deletions
  1. 3 0
      tools/patman/main.py

+ 3 - 0
tools/patman/main.py

@@ -9,6 +9,7 @@
 from argparse import ArgumentParser
 import os
 import re
+import shutil
 import sys
 import traceback
 import unittest
@@ -170,6 +171,8 @@ 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])),