From: Nicolas Boichat <drinkcat@chromium.org>
Date: Mon, 13 Jul 2020 02:50:01 +0000 (+0800)
Subject: patman: When no tracking branch is provided, tell the user
X-Git-Tag: v2025.01-rc5-pxa1908~2297^2~16
X-Git-Url: http://git.dujemihanovic.xyz/html/static/git-favicon.png?a=commitdiff_plain;h=28e0367fc879a408b964c070b55e4255e6d1eac5;p=u-boot.git

patman: When no tracking branch is provided, tell the user

The user can either count the number of patches, or provide a
tracking branch.

Signed-off-by: Nicolas Boichat <drinkcat@chromium.org>
Reviewed-by: Simon Glass <sjg@chromium.org>
---

diff --git a/tools/patman/control.py b/tools/patman/control.py
index 8f4afeab18..67e8f397ef 100644
--- a/tools/patman/control.py
+++ b/tools/patman/control.py
@@ -48,8 +48,9 @@ def prepare_patches(col, branch, count, start, end, ignore_binary):
         count = (gitutil.CountCommitsToBranch(branch) - start)
 
     if not count:
-        sys.exit(col.Color(col.RED,
-                           'No commits found to process - please use -c flag'))
+        str = 'No commits found to process - please use -c flag, or run:\n' \
+              '  git branch --set-upstream-to remote/branch'
+        sys.exit(col.Color(col.RED, str))
 
     # Read the metadata from the commits
     to_do = count - end