From 46c29287b1284e3d5de32107dbfca752fd40c8ed Mon Sep 17 00:00:00 2001
From: Konstantin Ryabitsev <konstantin@linuxfoundation.org>
Date: Mon, 6 Jul 2020 18:07:59 -0400
Subject: Deal with [PATCHvX] subjects

Normally, we'd expect to always have a space between PATCH and other
prefixes, but be forgiving if it's not present.

Reported-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Konstantin Ryabitsev <konstantin@linuxfoundation.org>
---
 b4/__init__.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/b4/__init__.py b/b4/__init__.py
index 37d8293..37121be 100644
--- a/b4/__init__.py
+++ b/b4/__init__.py
@@ -1379,6 +1379,9 @@ class LoreSubject:
             self.reply = True
             subject = re.sub(r'^\w+:\s*\[', '[', subject)
 
+        # Fix [PATCHv3] to be properly [PATCH v3]
+        subject = re.sub(r'^\[\s*(patch)(v\d+).*', '[$1 $2$3', subject, flags=re.I)
+
         # Find all [foo] in the title
         while subject.find('[') == 0:
             matches = re.search(r'^\[([^\]]*)\]', subject)
-- 
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