From 312905007e8443ad6eabc8157fa0a1b374e3c127 Mon Sep 17 00:00:00 2001
From: Tomasz Kolek <tomasz-kolek@go2.pl>
Date: Thu, 6 Oct 2016 17:13:22 +0200
Subject: [PATCH] Add EMPTY_SHA const to zerver/lib/webhooks/git.py.

---
 zerver/lib/webhooks/git.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/zerver/lib/webhooks/git.py b/zerver/lib/webhooks/git.py
index 068efe9e0b..8fef47cea0 100644
--- a/zerver/lib/webhooks/git.py
+++ b/zerver/lib/webhooks/git.py
@@ -3,6 +3,8 @@ from typing import Optional, Any
 
 SUBJECT_WITH_BRANCH_TEMPLATE = u'{repo} / {branch}'
 
+EMPTY_SHA = '0000000000000000000000000000000000000000'
+
 PUSH_COMMITS_LIMIT = 10
 PUSH_PUSHED_TEXT_WITH_URL = u"[pushed]({compare_url})"
 PUSH_PUSHED_TEXT_WITHOUT_URL = u"pushed"