From c21f76177e5f3ae6fe9115b3d6577855b5820876 Mon Sep 17 00:00:00 2001
From: Sup Yut Sum <ch3cooli@gmail.com>
Date: Thu, 31 Jan 2013 22:58:24 +0800
Subject: [PATCH] Log cache can be disabled

Signed-off-by: Sup Yut Sum <ch3cooli@gmail.com>
---
 src/TortoiseProc/GitLogCache.cpp | 8 ++++++++
 src/TortoiseProc/gitlogcache.h   | 4 +++-
 2 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/src/TortoiseProc/GitLogCache.cpp b/src/TortoiseProc/GitLogCache.cpp
index 8c5744e2e..3658028bc 100644
--- a/src/TortoiseProc/GitLogCache.cpp
+++ b/src/TortoiseProc/GitLogCache.cpp
@@ -18,6 +18,7 @@
 //
 #include "stdafx.h"
 #include "GitLogCache.h"
+#include "registry.h"
 
 int static Compare(const void *p1, const void*p2)
 {
@@ -34,6 +35,7 @@ CLogCache::CLogCache()
 	m_DataFileMap = INVALID_HANDLE_VALUE;
 	m_pCacheData = NULL;
 	m_DataFileLength = 0;
+	m_bEnabled = CRegDWORD(_T("Software\\TortoiseGit\\EnableLogCache"), TRUE);
 }
 
 void CLogCache::CloseDataHandles()
@@ -118,6 +120,9 @@ ULONGLONG CLogCache::GetOffset(CGitHash &hash,SLogCacheIndexFile *pData)
 
 int CLogCache::FetchCacheIndex(CString GitDir)
 {
+	if (!m_bEnabled)
+		return 0;
+
 	int ret=0;
 	if (!g_GitAdminDir.GetAdminDirPath(GitDir, m_GitDir))
 		return -1;
@@ -368,6 +373,9 @@ int CLogCache::RebuildCacheFile()
 }
 int CLogCache::SaveCache()
 {
+	if (!m_bEnabled)
+		return 0;
+
 	int ret =0;
 	BOOL bIsRebuild=false;
 
diff --git a/src/TortoiseProc/gitlogcache.h b/src/TortoiseProc/gitlogcache.h
index 6ac969fe2..61f0e5efd 100644
--- a/src/TortoiseProc/gitlogcache.h
+++ b/src/TortoiseProc/gitlogcache.h
@@ -1,6 +1,6 @@
 // TortoiseGit - a Windows shell extension for easy version control
 
-// Copyright (C) 2008-2012 - TortoiseGit
+// Copyright (C) 2008-2013 - TortoiseGit
 
 // This program is free software; you can redistribute it and/or
 // modify it under the terms of the GNU General Public License
@@ -96,6 +96,8 @@ class CLogCache
 public:
 
 protected:
+	BOOL m_bEnabled;
+
 	HANDLE m_IndexFile;
 	HANDLE m_IndexFileMap;
 	SLogCacheIndexFile *m_pCacheIndex;
-- 
2.11.4.GIT