From 4bf569c2a4acbe6e8afe0f907d478eddacdf393a Mon Sep 17 00:00:00 2001
From: Avery Pennarun <apenwarr@gmail.com>
Date: Thu, 10 Mar 2011 14:17:35 -0800
Subject: [PATCH] builder.py: detect overrides by only ctime, not all of struct
 stat.

We were accidentally including things like the atime in the comparison,
which is obviously silly; someone reading the file shouldn't mark it as a
manual override.
---
 builder.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/builder.py b/builder.py
index 63a6caa..a9a00be 100644
--- a/builder.py
+++ b/builder.py
@@ -221,7 +221,8 @@ class BuildJob:
         after_t = _try_stat(t)
         st1 = os.fstat(f.fileno())
         st2 = _try_stat(self.tmpname2)
-        if (after_t and after_t != before_t and 
+        if (after_t and 
+            (not before_t or before_t.st_ctime != after_t.st_ctime) and
             not stat.S_ISDIR(after_t.st_mode)):
             err('%s modified %s directly!\n' % (self.argv[2], t))
             err('...you should update $3 (a temp file) or stdout, not $1.\n')