From 0900a51f986f3ed736d9556b3296d37933018196 Mon Sep 17 00:00:00 2001
From: Sebastian Thiel <byronimo@gmail.com>
Date: Sun, 8 Nov 2015 15:09:41 +0100
Subject: fix(commit): respect daylight saving when computing utc-offset

Related to #362
---
 git/ext/gitdb         | 2 +-
 git/objects/commit.py | 8 ++++++--
 2 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/git/ext/gitdb b/git/ext/gitdb
index 9aae93ea..2389b752 160000
--- a/git/ext/gitdb
+++ b/git/ext/gitdb
@@ -1 +1 @@
-Subproject commit 9aae93ea584c8cf9d1539a60e41c5c37119401d6
+Subproject commit 2389b75280efb1a63e6ea578eae7f897fd4beb1b
diff --git a/git/objects/commit.py b/git/objects/commit.py
index 376b451d..d067b718 100644
--- a/git/objects/commit.py
+++ b/git/objects/commit.py
@@ -27,7 +27,10 @@ from git.compat import text_type
 
 from time import (
     time,
-    altzone
+    daylight,
+    altzone,
+    timezone,
+    localtime
 )
 import os
 from io import BytesIO
@@ -327,7 +330,8 @@ class Commit(base.Object, Iterable, Diffable, Traversable, Serializable):
 
         # PARSE THE DATES
         unix_time = int(time())
-        offset = altzone
+        is_dst = daylight and localtime().tm_isdst > 0
+        offset = altzone if is_dst else timezone
 
         author_date_str = env.get(cls.env_author_date, '')
         if author_date:
-- 
cgit v1.2.3