From 00794a93eccb7299942bd833df83d6756e6b7463 Mon Sep 17 00:00:00 2001
From: James Zern <jzern@google.com>
Date: Thu, 29 Mar 2012 18:13:27 -0700
Subject: [PATCH] tools/wrap-commit-msg.py: fix file truncation

truncate() operates from the current file pointer position. On at least
Linux specifying 0 without resetting the pointer will pad the file with
zeros to the current offset.

Change-Id: Ide704a1097f46c0c530f27212bb12e923f93e2d6
---
 tools/wrap-commit-msg.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tools/wrap-commit-msg.py b/tools/wrap-commit-msg.py
index b53926ae13..d5b4b046b1 100755
--- a/tools/wrap-commit-msg.py
+++ b/tools/wrap-commit-msg.py
@@ -59,6 +59,7 @@ def main(fileobj):
     if fileobj == sys.stdin:
         fileobj = sys.stdout
     else:
+        fileobj.seek(0)
         fileobj.truncate(0)
     fileobj.write(output)
 
-- 
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