src/TGitCache/GITStatusCache.cpp

   1 // TortoiseGit - a Windows shell extension for easy version control
   2
   3 // External Cache Copyright (C) 2005-2006,2008,2010 - TortoiseSVN
   4 // Copyright (C) 2008-2012 - TortoiseGit
   5
   6 // This program is free software; you can redistribute it and/or
   7 // modify it under the terms of the GNU General Public License
   8 // as published by the Free Software Foundation; either version 2
   9 // of the License, or (at your option) any later version.
  10
  11 // This program is distributed in the hope that it will be useful,
  12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 // GNU General Public License for more details.
  15
  16 // You should have received a copy of the GNU General Public License
  17 // along with this program; if not, write to the Free Software Foundation,
  18 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  19 //
  20
  21 #include "stdafx.h"
  22 #include "GitStatus.h"
  23 #include "GitStatuscache.h"
  24 #include "CacheInterface.h"
  25 #include "shlobj.h"
  26
  27 //////////////////////////////////////////////////////////////////////////
  28
  29 #define BLOCK_PATH_DEFAULT_TIMEOUT      600             // 10 minutes
  30 #define BLOCK_PATH_MAX_TIMEOUT          1200    // 20 minutes
  31
  32 CGitStatusCache* CGitStatusCache::m_pInstance;
  33
  34 CGitStatusCache& CGitStatusCache::Instance()
  35 {
  36         ATLASSERT(m_pInstance != NULL);
  37         return *m_pInstance;
  38 }
  39
  40 void CGitStatusCache::Create()
  41 {
  42         ATLASSERT(m_pInstance == NULL);
  43         m_pInstance = new CGitStatusCache;
  44
  45         m_pInstance->watcher.SetFolderCrawler(&m_pInstance->m_folderCrawler);
  46 #define LOADVALUEFROMFILE(x) if (fread(&x, sizeof(x), 1, pFile)!=1) goto exit;
  47 #define LOADVALUEFROMFILE2(x) if (fread(&x, sizeof(x), 1, pFile)!=1) goto error;
  48         unsigned int value = (unsigned int)-1;
  49         FILE * pFile = NULL;
  50         // find the location of the cache
  51         TCHAR path[MAX_PATH];           //MAX_PATH ok here.
  52         TCHAR path2[MAX_PATH];
  53         if (SHGetFolderPath(NULL, CSIDL_LOCAL_APPDATA, NULL, SHGFP_TYPE_CURRENT, path)==S_OK)
  54         {
  55                 _tcscat_s(path, MAX_PATH, _T("\\TGitCache"));
  56                 if (!PathIsDirectory(path))
  57                 {
  58                         if (CreateDirectory(path, NULL)==0)
  59                                 goto error;
  60                 }
  61                 _tcscat_s(path, MAX_PATH, _T("\\cache"));
  62                 // in case the cache file is corrupt, we could crash while
  63                 // reading it! To prevent crashing every time once that happens,
  64                 // we make a copy of the cache file and use that copy to read from.
  65                 // if that copy is corrupt, the original file won't exist anymore
  66                 // and the second time we start up and try to read the file,
  67                 // it's not there anymore and we start from scratch without a crash.
  68                 _tcscpy_s(path2, MAX_PATH, path);
  69                 _tcscat_s(path2, MAX_PATH, _T("2"));
  70                 DeleteFile(path2);
  71                 CopyFile(path, path2, FALSE);
  72                 DeleteFile(path);
  73                 pFile = _tfsopen(path2, _T("rb"), _SH_DENYNO);
  74                 if (pFile)
  75                 {
  76                         try
  77                         {
  78                                 LOADVALUEFROMFILE(value);
  79                                 if (value != 2)
  80                                 {
  81                                         goto error;
  82                                 }
  83                                 int mapsize = 0;
  84                                 LOADVALUEFROMFILE(mapsize);
  85                                 for (int i=0; i<mapsize; ++i)
  86                                 {
  87                                         LOADVALUEFROMFILE2(value);
  88                                         if (value > MAX_PATH)
  89                                                 goto error;
  90                                         if (value)
  91                                         {
  92                                                 CString sKey;
  93                                                 if (fread(sKey.GetBuffer(value+1), sizeof(TCHAR), value, pFile)!=value)
  94                                                 {
  95                                                         sKey.ReleaseBuffer(0);
  96                                                         goto error;
  97                                                 }
  98                                                 sKey.ReleaseBuffer(value);
  99                                                 CCachedDirectory * cacheddir = new CCachedDirectory();
 100                                                 if (cacheddir == NULL)
 101                                                         goto error;
 102                                                 if (!cacheddir->LoadFromDisk(pFile))
 103                                                         goto error;
 104                                                 CTGitPath KeyPath = CTGitPath(sKey);
 105                                                 if (m_pInstance->IsPathAllowed(KeyPath))
 106                                                 {
 107                                                         m_pInstance->m_directoryCache[KeyPath] = cacheddir;
 108                                                         // only add the path to the watch list if it is versioned
 109                                                         if ((cacheddir->GetCurrentFullStatus() != git_wc_status_unversioned)&&(cacheddir->GetCurrentFullStatus() != git_wc_status_none))
 110                                                                 m_pInstance->watcher.AddPath(KeyPath, false);
 111                                                         // do *not* add the paths for crawling!
 112                                                         // because crawled paths will trigger a shell
 113                                                         // notification, which makes the desktop flash constantly
 114                                                         // until the whole first time crawling is over
 115                                                         // m_pInstance->AddFolderForCrawling(KeyPath);
 116                                                 }
 117                                         }
 118                                 }
 119                         }
 120                         catch (CAtlException)
 121                         {
 122                                 goto error;
 123                         }
 124                 }
 125         }
 126 exit:
 127         if (pFile)
 128                 fclose(pFile);
 129         DeleteFile(path2);
 130         m_pInstance->watcher.ClearInfoMap();
 131         ATLTRACE("cache loaded from disk successfully!\n");
 132         return;
 133 error:
 134         if (pFile)
 135                 fclose(pFile);
 136         DeleteFile(path2);
 137         m_pInstance->watcher.ClearInfoMap();
 138         Destroy();
 139         m_pInstance = new CGitStatusCache;
 140         ATLTRACE("cache not loaded from disk\n");
 141 }
 142
 143 bool CGitStatusCache::SaveCache()
 144 {
 145 #define WRITEVALUETOFILE(x) if (fwrite(&x, sizeof(x), 1, pFile)!=1) goto error;
 146         unsigned int value = 0;
 147         // save the cache to disk
 148         FILE * pFile = NULL;
 149         // find a location to write the cache to
 150         TCHAR path[MAX_PATH];           //MAX_PATH ok here.
 151         if (SHGetFolderPath(NULL, CSIDL_LOCAL_APPDATA, NULL, SHGFP_TYPE_CURRENT, path)==S_OK)
 152         {
 153                 _tcscat_s(path, MAX_PATH, _T("\\TGitCache"));
 154                 if (!PathIsDirectory(path))
 155                         CreateDirectory(path, NULL);
 156                 _tcscat_s(path, MAX_PATH, _T("\\cache"));
 157                 _tfopen_s(&pFile, path, _T("wb"));
 158                 if (pFile)
 159                 {
 160                         value = 2;              // 'version'
 161                         WRITEVALUETOFILE(value);
 162                         value = (int)m_pInstance->m_directoryCache.size();
 163                         WRITEVALUETOFILE(value);
 164                         for (CCachedDirectory::CachedDirMap::iterator I = m_pInstance->m_directoryCache.begin(); I != m_pInstance->m_directoryCache.end(); ++I)
 165                         {
 166                                 if (I->second == NULL)
 167                                 {
 168                                         value = 0;
 169                                         WRITEVALUETOFILE(value);
 170                                         continue;
 171                                 }
 172                                 const CString& key = I->first.GetWinPathString();
 173                                 value = key.GetLength();
 174                                 WRITEVALUETOFILE(value);
 175                                 if (value)
 176                                 {
 177                                         if (fwrite((LPCTSTR)key, sizeof(TCHAR), value, pFile)!=value)
 178                                                 goto error;
 179                                         if (!I->second->SaveToDisk(pFile))
 180                                                 goto error;
 181                                 }
 182                         }
 183                         fclose(pFile);
 184                 }
 185         }
 186         ATLTRACE(_T("cache saved to disk at %s\n"), path);
 187         return true;
 188 error:
 189         fclose(pFile);
 190         Destroy();
 191         DeleteFile(path);
 192         return false;
 193 }
 194
 195 void CGitStatusCache::Destroy()
 196 {
 197         if (m_pInstance)
 198         {
 199                 m_pInstance->Stop();
 200                 Sleep(100);
 201                 delete m_pInstance;
 202                 m_pInstance = NULL;
 203         }
 204 }
 205
 206 void CGitStatusCache::Stop()
 207 {
 208 //      m_svnHelp.Cancel(true);
 209         watcher.Stop();
 210         m_folderCrawler.Stop();
 211         m_shellUpdater.Stop();
 212 }
 213
 214 void CGitStatusCache::Init()
 215 {
 216         m_folderCrawler.Initialise();
 217         m_shellUpdater.Initialise();
 218 }
 219
 220 CGitStatusCache::CGitStatusCache(void)
 221 {
 222         #define forever DWORD(-1)
 223         AutoLocker lock(m_NoWatchPathCritSec);
 224         TCHAR path[MAX_PATH];
 225         SHGetFolderPath(NULL, CSIDL_COOKIES, NULL, 0, path);
 226         m_NoWatchPaths[CTGitPath(CString(path))] = forever;
 227         SHGetFolderPath(NULL, CSIDL_HISTORY, NULL, 0, path);
 228         m_NoWatchPaths[CTGitPath(CString(path))] = forever;
 229         SHGetFolderPath(NULL, CSIDL_INTERNET_CACHE, NULL, 0, path);
 230         m_NoWatchPaths[CTGitPath(CString(path))] = forever;
 231         SHGetFolderPath(NULL, CSIDL_SYSTEM, NULL, 0, path);
 232         m_NoWatchPaths[CTGitPath(CString(path))] = forever;
 233         SHGetFolderPath(NULL, CSIDL_WINDOWS, NULL, 0, path);
 234         m_NoWatchPaths[CTGitPath(CString(path))] = forever;
 235         m_bClearMemory = false;
 236         m_mostRecentExpiresAt = 0;
 237 }
 238
 239 CGitStatusCache::~CGitStatusCache(void)
 240 {
 241         CAutoWriteLock writeLock(m_guard);
 242         ClearCache();
 243 }
 244
 245 void CGitStatusCache::Refresh()
 246 {
 247         m_shellCache.ForceRefresh();
 248 //      m_pInstance->m_svnHelp.ReloadConfig();
 249         if (!m_pInstance->m_directoryCache.empty())
 250         {
 251                 CCachedDirectory::CachedDirMap::iterator I = m_pInstance->m_directoryCache.begin();
 252                 for (/* no init */; I != m_pInstance->m_directoryCache.end(); ++I)
 253                 {
 254                         if (m_shellCache.IsPathAllowed(I->first.GetWinPath()))
 255                                 I->second->RefreshMostImportant();
 256                         else
 257                         {
 258                                 CGitStatusCache::Instance().RemoveCacheForPath(I->first);
 259                                 I = m_pInstance->m_directoryCache.begin();
 260                                 if (I == m_pInstance->m_directoryCache.end())
 261                                         break;
 262                         }
 263                 }
 264         }
 265 }
 266
 267 bool CGitStatusCache::IsPathGood(const CTGitPath& path)
 268 {
 269         AutoLocker lock(m_NoWatchPathCritSec);
 270         for (std::map<CTGitPath, DWORD>::const_iterator it = m_NoWatchPaths.begin(); it != m_NoWatchPaths.end(); ++it)
 271         {
 272                 // the ticks check is necessary here, because RemoveTimedoutBlocks is only called within the FolderCrawler loop
 273                 // and we might miss update calls
 274                 // TODO: maybe we also need to check if index.lock and HEAD.lock still exists after a specific timeout (if we miss update notifications for these files too often)
 275                 if (GetTickCount() < it->second && it->first.IsAncestorOf(path))
 276                 {
 277                         ATLTRACE(_T("path not good: %s\n"), it->first.GetWinPath());
 278                         return false;
 279                 }
 280         }
 281         return true;
 282 }
 283
 284 bool CGitStatusCache::BlockPath(const CTGitPath& path, DWORD timeout /* = 0 */)
 285 {
 286         if (timeout == 0)
 287                 timeout = BLOCK_PATH_DEFAULT_TIMEOUT;
 288
 289         if (timeout > BLOCK_PATH_MAX_TIMEOUT)
 290                 timeout = BLOCK_PATH_MAX_TIMEOUT;
 291
 292         timeout = GetTickCount() + (timeout * 1000);    // timeout is in seconds, but we need the milliseconds
 293
 294         AutoLocker lock(m_NoWatchPathCritSec);
 295         m_NoWatchPaths[path.GetDirectory()] = timeout;
 296
 297         return true;
 298 }
 299
 300 bool CGitStatusCache::UnBlockPath(const CTGitPath& path)
 301 {
 302         bool ret = false;
 303         AutoLocker lock(m_NoWatchPathCritSec);
 304         std::map<CTGitPath, DWORD>::iterator it = m_NoWatchPaths.find(path.GetDirectory());
 305         if (it != m_NoWatchPaths.end())
 306         {
 307                 ATLTRACE(_T("path removed from no good: %s\n"), it->first.GetWinPath());
 308                 m_NoWatchPaths.erase(it);
 309                 ret = true;
 310         }
 311         AddFolderForCrawling(path.GetDirectory());
 312
 313         return ret;
 314 }
 315
 316 bool CGitStatusCache::RemoveTimedoutBlocks()
 317 {
 318         bool ret = false;
 319         DWORD currentTicks = GetTickCount();
 320         AutoLocker lock(m_NoWatchPathCritSec);
 321         std::vector<CTGitPath> toRemove;
 322         for (std::map<CTGitPath, DWORD>::const_iterator it = m_NoWatchPaths.begin(); it != m_NoWatchPaths.end(); ++it)
 323         {
 324                 if (currentTicks > it->second)
 325                 {
 326                         toRemove.push_back(it->first);
 327                 }
 328         }
 329         if (!toRemove.empty())
 330         {
 331                 for (std::vector<CTGitPath>::const_iterator it = toRemove.begin(); it != toRemove.end(); ++it)
 332                 {
 333                         ret = ret || UnBlockPath(*it);
 334                 }
 335         }
 336
 337         return ret;
 338 }
 339
 340 void CGitStatusCache::UpdateShell(const CTGitPath& path)
 341 {
 342         m_shellUpdater.AddPathForUpdate(path);
 343 }
 344
 345 void CGitStatusCache::ClearCache()
 346 {
 347         for (CCachedDirectory::CachedDirMap::iterator I = m_directoryCache.begin(); I != m_directoryCache.end(); ++I)
 348         {
 349                 delete I->second;
 350                 I->second = NULL;
 351         }
 352         m_directoryCache.clear();
 353 }
 354
 355 bool CGitStatusCache::RemoveCacheForDirectory(CCachedDirectory * cdir)
 356 {
 357         if (cdir == NULL)
 358                 return false;
 359
 360         typedef std::map<CTGitPath, git_wc_status_kind>  ChildDirStatus;
 361         if (!cdir->m_childDirectories.empty())
 362         {
 363                 ChildDirStatus::iterator it = cdir->m_childDirectories.begin();
 364                 for (; it != cdir->m_childDirectories.end(); )
 365                 {
 366                         CCachedDirectory * childdir = CGitStatusCache::Instance().GetDirectoryCacheEntryNoCreate(it->first);
 367                         if ((childdir) && (!cdir->m_directoryPath.IsEquivalentTo(childdir->m_directoryPath)) && (cdir->m_directoryPath.GetFileOrDirectoryName() != L".."))
 368                                 RemoveCacheForDirectory(childdir);
 369                         cdir->m_childDirectories.erase(it->first);
 370                         it = cdir->m_childDirectories.begin();
 371                 }
 372         }
 373         cdir->m_childDirectories.clear();
 374         m_directoryCache.erase(cdir->m_directoryPath);
 375
 376         // we could have entries versioned and/or stored in our cache which are
 377         // children of the specified directory, but not in the m_childDirectories
 378         // member
 379         CCachedDirectory::ItDir itMap = m_directoryCache.lower_bound(cdir->m_directoryPath);
 380         do
 381         {
 382                 if (itMap != m_directoryCache.end())
 383                 {
 384                         if (cdir->m_directoryPath.IsAncestorOf(itMap->first))
 385                         {
 386                                 // just in case (see TortoiseSVN issue #255)
 387                                 if (itMap->second == cdir)
 388                                 {
 389                                         m_directoryCache.erase(itMap);
 390                                 }
 391                                 else
 392                                         RemoveCacheForDirectory(itMap->second);
 393                         }
 394                 }
 395                 itMap = m_directoryCache.lower_bound(cdir->m_directoryPath);
 396         } while (itMap != m_directoryCache.end() && cdir->m_directoryPath.IsAncestorOf(itMap->first));
 397
 398         ATLTRACE(_T("removed path %s from cache\n"), cdir->m_directoryPath.GetWinPathString());
 399         delete cdir;
 400         cdir = NULL;
 401         return true;
 402 }
 403
 404 void CGitStatusCache::RemoveCacheForPath(const CTGitPath& path)
 405 {
 406         // Stop the crawler starting on a new folder
 407         CCrawlInhibitor crawlInhibit(&m_folderCrawler);
 408         CCachedDirectory::ItDir itMap;
 409         CCachedDirectory * dirtoremove = NULL;
 410
 411         itMap = m_directoryCache.find(path);
 412         if ((itMap != m_directoryCache.end())&&(itMap->second))
 413                 dirtoremove = itMap->second;
 414         if (dirtoremove == NULL)
 415                 return;
 416         ATLASSERT(path.IsEquivalentToWithoutCase(dirtoremove->m_directoryPath));
 417         RemoveCacheForDirectory(dirtoremove);
 418 }
 419
 420 CCachedDirectory * CGitStatusCache::GetDirectoryCacheEntry(const CTGitPath& path, bool isAddToWatch)
 421 {
 422         ATLASSERT(path.IsDirectory() || !PathFileExists(path.GetWinPath()));
 423
 424
 425         CCachedDirectory::ItDir itMap;
 426         itMap = m_directoryCache.find(path);
 427         if ((itMap != m_directoryCache.end())&&(itMap->second))
 428         {
 429                 // We've found this directory in the cache
 430                 return itMap->second;
 431         }
 432         else
 433         {
 434                 // if the CCachedDirectory is NULL but the path is in our cache,
 435                 // that means that path got invalidated and needs to be treated
 436                 // as if it never was in our cache. So we remove the last remains
 437                 // from the cache and start from scratch.
 438
 439                 CAutoWriteLock writeLock(m_guard);
 440                 // Since above there's a small chance that before we can upgrade to
 441                 // writer state some other thread gained writer state and changed
 442                 // the data, we have to recreate the iterator here again.
 443                 itMap = m_directoryCache.find(path);
 444                 if (itMap!=m_directoryCache.end())
 445                 {
 446                         delete itMap->second;
 447                         itMap->second = NULL;
 448                         m_directoryCache.erase(itMap);
 449                 }
 450                 // We don't know anything about this directory yet - lets add it to our cache
 451                 // but only if it exists!
 452                 if (path.Exists() && m_shellCache.IsPathAllowed(path.GetWinPath()) && !g_GitAdminDir.IsAdminDirPath(path.GetWinPath()))
 453                 {
 454                         // some notifications are for files which got removed/moved around.
 455                         // In such cases, the CTGitPath::IsDirectory() will return true (it assumes a directory if
 456                         // the path doesn't exist). Which means we can get here with a path to a file
 457                         // instead of a directory.
 458                         // Since we're here most likely called from the crawler thread, the file could exist
 459                         // again. If that's the case, just do nothing
 460                         if (path.IsDirectory()||(!path.Exists()))
 461                         {
 462                                 ATLTRACE(_T("adding %s to our cache\n"), path.GetWinPath());
 463                                 CCachedDirectory * newcdir = new CCachedDirectory(path);
 464                                 if (newcdir)
 465                                 {
 466                                         CCachedDirectory * cdir = m_directoryCache.insert(m_directoryCache.lower_bound(path), std::make_pair(path, newcdir))->second;
 467                                         CString gitdir;
 468                                         if ((!path.IsEmpty())&&(path.HasAdminDir(&gitdir))&&isAddToWatch)
 469                                         {
 470                                                 /* Just watch version path */
 471                                                 watcher.AddPath(gitdir);
 472                                                 watcher.AddPath(path);
 473                                         }
 474                                         return cdir;
 475                                 }
 476                                 m_bClearMemory = true;
 477                         }
 478                 }
 479                 return NULL;
 480         }
 481 }
 482
 483 CCachedDirectory * CGitStatusCache::GetDirectoryCacheEntryNoCreate(const CTGitPath& path)
 484 {
 485         ATLASSERT(path.IsDirectory() || !PathFileExists(path.GetWinPath()));
 486
 487         CCachedDirectory::ItDir itMap;
 488         itMap = m_directoryCache.find(path);
 489         if(itMap != m_directoryCache.end())
 490         {
 491                 // We've found this directory in the cache
 492                 return itMap->second;
 493         }
 494         return NULL;
 495 }
 496
 497 /* Fetch is true, means fetch status from */
 498 /* Fetch is false, means fetch status from cache */
 499 CStatusCacheEntry CGitStatusCache::GetStatusForPath(const CTGitPath& path, DWORD flags,  bool bFetch /* = true */)
 500 {
 501         bool bRecursive = !!(flags & TGITCACHE_FLAGS_RECUSIVE_STATUS);
 502
 503         // Check a very short-lived 'mini-cache' of the last thing we were asked for.
 504         long now = (long)GetTickCount();
 505         if(now-m_mostRecentExpiresAt < 0)
 506         {
 507                 if(path.IsEquivalentToWithoutCase(m_mostRecentPath))
 508                 {
 509                         return m_mostRecentStatus;
 510                 }
 511         }
 512         {
 513                 AutoLocker lock(m_critSec);
 514                 m_mostRecentPath = path;
 515                 m_mostRecentExpiresAt = now + 1000;
 516         }
 517
 518         if (IsPathGood(path))
 519         {
 520                 // Stop the crawler starting on a new folder while we're doing this much more important task...
 521                 // Please note, that this may be a second "lock" used concurrently to the one in RemoveCacheForPath().
 522                 CCrawlInhibitor crawlInhibit(&m_folderCrawler);
 523
 524                 CTGitPath dirpath = path.GetContainingDirectory();
 525                 if ((dirpath.IsEmpty()) || (!m_shellCache.IsPathAllowed(dirpath.GetWinPath())))
 526                         dirpath = path.GetDirectory();
 527                 CCachedDirectory * cachedDir = GetDirectoryCacheEntry(dirpath);
 528                 if (cachedDir != NULL)
 529                 {
 530                         //ATLTRACE(_T("GetStatusForMember %d\n"), bFetch);
 531                         CStatusCacheEntry entry = cachedDir->GetStatusForMember(path, bRecursive, bFetch);
 532                         {
 533                                 AutoLocker lock(m_critSec);
 534                                 m_mostRecentStatus = entry;
 535                                 return m_mostRecentStatus;
 536                         }
 537                 }
 538         }
 539         else
 540         {
 541                 // path is blocked for some reason: return the cached status if we have one
 542                 // we do here only a cache search, absolutely no disk access is allowed!
 543                 CCachedDirectory::ItDir itMap = m_directoryCache.find(path.GetDirectory());
 544                 if ((itMap != m_directoryCache.end())&&(itMap->second))
 545                 {
 546                         if (path.IsDirectory())
 547                         {
 548                                 CStatusCacheEntry entry = itMap->second->GetOwnStatus(false);
 549                                 AutoLocker lock(m_critSec);
 550                                 m_mostRecentStatus = entry;
 551                                 return m_mostRecentStatus;
 552                         }
 553                         else
 554                         {
 555                                 // We've found this directory in the cache
 556                                 CCachedDirectory * cachedDir = itMap->second;
 557                                 CStatusCacheEntry entry = cachedDir->GetCacheStatusForMember(path);
 558                                 {
 559                                         AutoLocker lock(m_critSec);
 560                                         m_mostRecentStatus = entry;
 561                                         return m_mostRecentStatus;
 562                                 }
 563                         }
 564                 }
 565         }
 566         AutoLocker lock(m_critSec);
 567         ATLTRACE(_T("ignored no good path %s\n"), path.GetWinPath());
 568         m_mostRecentStatus = CStatusCacheEntry();
 569         if (m_shellCache.ShowExcludedAsNormal() && path.IsDirectory() && m_shellCache.HasGITAdminDir(path.GetWinPath(), true))
 570         {
 571                 ATLTRACE(_T("force status %s\n"), path.GetWinPath());
 572                 m_mostRecentStatus.ForceStatus(git_wc_status_normal);
 573         }
 574         return m_mostRecentStatus;
 575 }
 576
 577 void CGitStatusCache::AddFolderForCrawling(const CTGitPath& path)
 578 {
 579         m_folderCrawler.AddDirectoryForUpdate(path);
 580 }
 581
 582 void CGitStatusCache::CloseWatcherHandles(HDEVNOTIFY hdev)
 583 {
 584         CTGitPath path = watcher.CloseInfoMap(hdev);
 585         m_folderCrawler.BlockPath(path);
 586 }
 587
 588 void CGitStatusCache::CloseWatcherHandles(const CTGitPath& path)
 589 {
 590         watcher.CloseHandlesForPath(path);
 591         m_folderCrawler.BlockPath(path);
 592 }