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);
 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         fclose(pFile);
 135         DeleteFile(path2);
 136         m_pInstance->watcher.ClearInfoMap();
 137         Destroy();
 138         m_pInstance = new CGitStatusCache;
 139         ATLTRACE("cache not loaded from disk\n");
 140 }
 141
 142 bool CGitStatusCache::SaveCache()
 143 {
 144 #define WRITEVALUETOFILE(x) if (fwrite(&x, sizeof(x), 1, pFile)!=1) goto error;
 145         unsigned int value = 0;
 146         // save the cache to disk
 147         FILE * pFile = NULL;
 148         // find a location to write the cache to
 149         TCHAR path[MAX_PATH];           //MAX_PATH ok here.
 150         if (SHGetFolderPath(NULL, CSIDL_LOCAL_APPDATA, NULL, SHGFP_TYPE_CURRENT, path)==S_OK)
 151         {
 152                 _tcscat_s(path, MAX_PATH, _T("\\TGitCache"));
 153                 if (!PathIsDirectory(path))
 154                         CreateDirectory(path, NULL);
 155                 _tcscat_s(path, MAX_PATH, _T("\\cache"));
 156                 _tfopen_s(&pFile, path, _T("wb"));
 157                 if (pFile)
 158                 {
 159                         value = 2;              // 'version'
 160                         WRITEVALUETOFILE(value);
 161                         value = (int)m_pInstance->m_directoryCache.size();
 162                         WRITEVALUETOFILE(value);
 163                         for (CCachedDirectory::CachedDirMap::iterator I = m_pInstance->m_directoryCache.begin(); I != m_pInstance->m_directoryCache.end(); ++I)
 164                         {
 165                                 if (I->second == NULL)
 166                                 {
 167                                         value = 0;
 168                                         WRITEVALUETOFILE(value);
 169                                         continue;
 170                                 }
 171                                 const CString& key = I->first.GetWinPathString();
 172                                 value = key.GetLength();
 173                                 WRITEVALUETOFILE(value);
 174                                 if (value)
 175                                 {
 176                                         if (fwrite((LPCTSTR)key, sizeof(TCHAR), value, pFile)!=value)
 177                                                 goto error;
 178                                         if (!I->second->SaveToDisk(pFile))
 179                                                 goto error;
 180                                 }
 181                         }
 182                         fclose(pFile);
 183                 }
 184         }
 185         ATLTRACE(_T("cache saved to disk at %s\n"), path);
 186         return true;
 187 error:
 188         fclose(pFile);
 189         Destroy();
 190         DeleteFile(path);
 191         return false;
 192 }
 193
 194 void CGitStatusCache::Destroy()
 195 {
 196         if (m_pInstance)
 197         {
 198                 m_pInstance->Stop();
 199                 Sleep(100);
 200                 delete m_pInstance;
 201                 m_pInstance = NULL;
 202         }
 203 }
 204
 205 void CGitStatusCache::Stop()
 206 {
 207 //      m_svnHelp.Cancel(true);
 208         watcher.Stop();
 209         m_folderCrawler.Stop();
 210         m_shellUpdater.Stop();
 211 }
 212
 213 void CGitStatusCache::Init()
 214 {
 215         m_folderCrawler.Initialise();
 216         m_shellUpdater.Initialise();
 217 }
 218
 219 CGitStatusCache::CGitStatusCache(void)
 220 {
 221         #define forever DWORD(-1)
 222         AutoLocker lock(m_NoWatchPathCritSec);
 223         TCHAR path[MAX_PATH];
 224         SHGetFolderPath(NULL, CSIDL_COOKIES, NULL, 0, path);
 225         m_NoWatchPaths[CTGitPath(CString(path))] = forever;
 226         SHGetFolderPath(NULL, CSIDL_HISTORY, NULL, 0, path);
 227         m_NoWatchPaths[CTGitPath(CString(path))] = forever;
 228         SHGetFolderPath(NULL, CSIDL_INTERNET_CACHE, NULL, 0, path);
 229         m_NoWatchPaths[CTGitPath(CString(path))] = forever;
 230         SHGetFolderPath(NULL, CSIDL_SYSTEM, NULL, 0, path);
 231         m_NoWatchPaths[CTGitPath(CString(path))] = forever;
 232         SHGetFolderPath(NULL, CSIDL_WINDOWS, NULL, 0, path);
 233         m_NoWatchPaths[CTGitPath(CString(path))] = forever;
 234         m_bClearMemory = false;
 235         m_mostRecentExpiresAt = 0;
 236 }
 237
 238 CGitStatusCache::~CGitStatusCache(void)
 239 {
 240         CAutoWriteLock writeLock(m_guard);
 241         ClearCache();
 242 }
 243
 244 void CGitStatusCache::Refresh()
 245 {
 246         m_shellCache.ForceRefresh();
 247 //      m_pInstance->m_svnHelp.ReloadConfig();
 248         if (m_pInstance->m_directoryCache.size())
 249         {
 250                 CCachedDirectory::CachedDirMap::iterator I = m_pInstance->m_directoryCache.begin();
 251                 for (/* no init */; I != m_pInstance->m_directoryCache.end(); ++I)
 252                 {
 253                         if (m_shellCache.IsPathAllowed(I->first.GetWinPath()))
 254                                 I->second->RefreshMostImportant();
 255                         else
 256                         {
 257                                 CGitStatusCache::Instance().RemoveCacheForPath(I->first);
 258                                 I = m_pInstance->m_directoryCache.begin();
 259                                 if (I == m_pInstance->m_directoryCache.end())
 260                                         break;
 261                         }
 262                 }
 263         }
 264 }
 265
 266 bool CGitStatusCache::IsPathGood(const CTGitPath& path)
 267 {
 268         AutoLocker lock(m_NoWatchPathCritSec);
 269         for (std::map<CTGitPath, DWORD>::const_iterator it = m_NoWatchPaths.begin(); it != m_NoWatchPaths.end(); ++it)
 270         {
 271                 // the ticks check is necessary here, because RemoveTimedoutBlocks is only called within the FolderCrawler loop
 272                 // and we might miss update calls
 273                 // 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)
 274                 if (GetTickCount() < it->second && it->first.IsAncestorOf(path))
 275                 {
 276                         ATLTRACE(_T("path not good: %s\n"), it->first.GetWinPath());
 277                         return false;
 278                 }
 279         }
 280         return true;
 281 }
 282
 283 bool CGitStatusCache::BlockPath(const CTGitPath& path, DWORD timeout /* = 0 */)
 284 {
 285         if (timeout == 0)
 286                 timeout = BLOCK_PATH_DEFAULT_TIMEOUT;
 287
 288         if (timeout > BLOCK_PATH_MAX_TIMEOUT)
 289                 timeout = BLOCK_PATH_MAX_TIMEOUT;
 290
 291         timeout = GetTickCount() + (timeout * 1000);    // timeout is in seconds, but we need the milliseconds
 292
 293         AutoLocker lock(m_NoWatchPathCritSec);
 294         m_NoWatchPaths[path.GetDirectory()] = timeout;
 295
 296         return true;
 297 }
 298
 299 bool CGitStatusCache::UnBlockPath(const CTGitPath& path)
 300 {
 301         bool ret = false;
 302         AutoLocker lock(m_NoWatchPathCritSec);
 303         std::map<CTGitPath, DWORD>::iterator it = m_NoWatchPaths.find(path.GetDirectory());
 304         if (it != m_NoWatchPaths.end())
 305         {
 306                 ATLTRACE(_T("path removed from no good: %s\n"), it->first.GetWinPath());
 307                 m_NoWatchPaths.erase(it);
 308                 ret = true;
 309         }
 310         AddFolderForCrawling(path.GetDirectory());
 311
 312         return ret;
 313 }
 314
 315 bool CGitStatusCache::RemoveTimedoutBlocks()
 316 {
 317         bool ret = false;
 318         DWORD currentTicks = GetTickCount();
 319         AutoLocker lock(m_NoWatchPathCritSec);
 320         std::vector<CTGitPath> toRemove;
 321         for (std::map<CTGitPath, DWORD>::const_iterator it = m_NoWatchPaths.begin(); it != m_NoWatchPaths.end(); ++it)
 322         {
 323                 if (currentTicks > it->second)
 324                 {
 325                         toRemove.push_back(it->first);
 326                 }
 327         }
 328         if (toRemove.size())
 329         {
 330                 for (std::vector<CTGitPath>::const_iterator it = toRemove.begin(); it != toRemove.end(); ++it)
 331                 {
 332                         ret = ret || UnBlockPath(*it);
 333                 }
 334         }
 335
 336         return ret;
 337 }
 338
 339 void CGitStatusCache::UpdateShell(const CTGitPath& path)
 340 {
 341         m_shellUpdater.AddPathForUpdate(path);
 342 }
 343
 344 void CGitStatusCache::ClearCache()
 345 {
 346         for (CCachedDirectory::CachedDirMap::iterator I = m_directoryCache.begin(); I != m_directoryCache.end(); ++I)
 347         {
 348                 delete I->second;
 349                 I->second = NULL;
 350         }
 351         m_directoryCache.clear();
 352 }
 353
 354 bool CGitStatusCache::RemoveCacheForDirectory(CCachedDirectory * cdir)
 355 {
 356         if (cdir == NULL)
 357                 return false;
 358
 359         typedef std::map<CTGitPath, git_wc_status_kind>  ChildDirStatus;
 360         if (cdir->m_childDirectories.size())
 361         {
 362                 ChildDirStatus::iterator it = cdir->m_childDirectories.begin();
 363                 for (; it != cdir->m_childDirectories.end(); )
 364                 {
 365                         CCachedDirectory * childdir = CGitStatusCache::Instance().GetDirectoryCacheEntryNoCreate(it->first);
 366                         if ((childdir) && (!cdir->m_directoryPath.IsEquivalentTo(childdir->m_directoryPath)) && (cdir->m_directoryPath.GetFileOrDirectoryName() != L".."))
 367                                 RemoveCacheForDirectory(childdir);
 368                         cdir->m_childDirectories.erase(it->first);
 369                         it = cdir->m_childDirectories.begin();
 370                 }
 371         }
 372         cdir->m_childDirectories.clear();
 373         m_directoryCache.erase(cdir->m_directoryPath);
 374         ATLTRACE(_T("removed path %s from cache\n"), cdir->m_directoryPath.GetWinPathString());
 375         delete cdir;
 376         cdir = NULL;
 377         return true;
 378 }
 379
 380 void CGitStatusCache::RemoveCacheForPath(const CTGitPath& path)
 381 {
 382         // Stop the crawler starting on a new folder
 383         CCrawlInhibitor crawlInhibit(&m_folderCrawler);
 384         CCachedDirectory::ItDir itMap;
 385         CCachedDirectory * dirtoremove = NULL;
 386
 387         itMap = m_directoryCache.find(path);
 388         if ((itMap != m_directoryCache.end())&&(itMap->second))
 389                 dirtoremove = itMap->second;
 390         if (dirtoremove == NULL)
 391                 return;
 392         ATLASSERT(path.IsEquivalentToWithoutCase(dirtoremove->m_directoryPath));
 393         RemoveCacheForDirectory(dirtoremove);
 394 }
 395
 396 CCachedDirectory * CGitStatusCache::GetDirectoryCacheEntry(const CTGitPath& path, bool isAddToWatch)
 397 {
 398         ATLASSERT(path.IsDirectory() || !PathFileExists(path.GetWinPath()));
 399
 400
 401         CCachedDirectory::ItDir itMap;
 402         itMap = m_directoryCache.find(path);
 403         if ((itMap != m_directoryCache.end())&&(itMap->second))
 404         {
 405                 // We've found this directory in the cache
 406                 return itMap->second;
 407         }
 408         else
 409         {
 410                 // if the CCachedDirectory is NULL but the path is in our cache,
 411                 // that means that path got invalidated and needs to be treated
 412                 // as if it never was in our cache. So we remove the last remains
 413                 // from the cache and start from scratch.
 414
 415                 CAutoWriteLock writeLock(m_guard);
 416                 // Since above there's a small chance that before we can upgrade to
 417                 // writer state some other thread gained writer state and changed
 418                 // the data, we have to recreate the iterator here again.
 419                 itMap = m_directoryCache.find(path);
 420                 if (itMap!=m_directoryCache.end())
 421                         m_directoryCache.erase(itMap);
 422                 // We don't know anything about this directory yet - lets add it to our cache
 423                 // but only if it exists!
 424                 if (path.Exists() && m_shellCache.IsPathAllowed(path.GetWinPath()) && !g_GitAdminDir.IsAdminDirPath(path.GetWinPath()))
 425                 {
 426                         // some notifications are for files which got removed/moved around.
 427                         // In such cases, the CTGitPath::IsDirectory() will return true (it assumes a directory if
 428                         // the path doesn't exist). Which means we can get here with a path to a file
 429                         // instead of a directory.
 430                         // Since we're here most likely called from the crawler thread, the file could exist
 431                         // again. If that's the case, just do nothing
 432                         if (path.IsDirectory()||(!path.Exists()))
 433                         {
 434                                 ATLTRACE(_T("adding %s to our cache\n"), path.GetWinPath());
 435                                 CCachedDirectory * newcdir = new CCachedDirectory(path);
 436                                 if (newcdir)
 437                                 {
 438                                         CCachedDirectory * cdir = m_directoryCache.insert(m_directoryCache.lower_bound(path), std::make_pair(path, newcdir))->second;
 439                                         CString gitdir;
 440                                         if ((!path.IsEmpty())&&(path.HasAdminDir(&gitdir))&&isAddToWatch)
 441                                         {
 442                                                 bool isVersion = true;
 443                                                 CString subpaths;
 444                                                 if(subpaths.GetLength() > gitdir.GetLength())
 445                                                 {
 446                                                         if(subpaths[gitdir.GetLength()] == _T('\\'))
 447                                                                 subpaths=subpaths.Right(subpaths.GetLength() - gitdir.GetLength()-1);
 448                                                         else
 449                                                                 subpaths=subpaths.Right(subpaths.GetLength() - gitdir.GetLength());
 450                                                 }
 451                                                 CGitStatusCache::Instance().m_GitStatus.IsUnderVersionControl(gitdir, subpaths, true, &isVersion);
 452
 453                                                 /* Just watch version path */
 454                                                 if(isVersion)
 455                                                 {
 456                                                         watcher.AddPath(gitdir);
 457                                                         watcher.AddPath(path);
 458                                                 }
 459                                         }
 460                                         return cdir;
 461                                 }
 462                                 m_bClearMemory = true;
 463                         }
 464                 }
 465                 return NULL;
 466         }
 467 }
 468
 469 CCachedDirectory * CGitStatusCache::GetDirectoryCacheEntryNoCreate(const CTGitPath& path)
 470 {
 471         ATLASSERT(path.IsDirectory() || !PathFileExists(path.GetWinPath()));
 472
 473         CCachedDirectory::ItDir itMap;
 474         itMap = m_directoryCache.find(path);
 475         if(itMap != m_directoryCache.end())
 476         {
 477                 // We've found this directory in the cache
 478                 return itMap->second;
 479         }
 480         return NULL;
 481 }
 482
 483 /* Fetch is true, means fetch status from */
 484 /* Fetch is false, means fetch status from cache */
 485 CStatusCacheEntry CGitStatusCache::GetStatusForPath(const CTGitPath& path, DWORD flags,  bool bFetch /* = true */)
 486 {
 487         bool bRecursive = !!(flags & TGITCACHE_FLAGS_RECUSIVE_STATUS);
 488
 489         // Check a very short-lived 'mini-cache' of the last thing we were asked for.
 490         long now = (long)GetTickCount();
 491         if(now-m_mostRecentExpiresAt < 0)
 492         {
 493                 if(path.IsEquivalentToWithoutCase(m_mostRecentPath))
 494                 {
 495                         return m_mostRecentStatus;
 496                 }
 497         }
 498         {
 499                 AutoLocker lock(m_critSec);
 500                 m_mostRecentPath = path;
 501                 m_mostRecentExpiresAt = now + 1000;
 502         }
 503
 504         if (IsPathGood(path))
 505         {
 506                 // Stop the crawler starting on a new folder while we're doing this much more important task...
 507                 // Please note, that this may be a second "lock" used concurrently to the one in RemoveCacheForPath().
 508                 CCrawlInhibitor crawlInhibit(&m_folderCrawler);
 509
 510                 CTGitPath dirpath = path.GetContainingDirectory();
 511                 if ((dirpath.IsEmpty()) || (!m_shellCache.IsPathAllowed(dirpath.GetWinPath())))
 512                         dirpath = path.GetDirectory();
 513                 CCachedDirectory * cachedDir = GetDirectoryCacheEntry(dirpath);
 514                 if (cachedDir != NULL)
 515                 {
 516                         //ATLTRACE(_T("GetStatusForMember %d\n"), bFetch);
 517                         CStatusCacheEntry entry = cachedDir->GetStatusForMember(path, bRecursive, bFetch);
 518                         {
 519                                 AutoLocker lock(m_critSec);
 520                                 m_mostRecentStatus = entry;
 521                                 return m_mostRecentStatus;
 522                         }
 523                 }
 524         }
 525         else
 526         {
 527                 // path is blocked for some reason: return the cached status if we have one
 528                 // we do here only a cache search, absolutely no disk access is allowed!
 529                 CCachedDirectory::ItDir itMap = m_directoryCache.find(path.GetDirectory());
 530                 if ((itMap != m_directoryCache.end())&&(itMap->second))
 531                 {
 532                         if (path.IsDirectory())
 533                         {
 534                                 CStatusCacheEntry entry = itMap->second->GetOwnStatus(false);
 535                                 AutoLocker lock(m_critSec);
 536                                 m_mostRecentStatus = entry;
 537                                 return m_mostRecentStatus;
 538                         }
 539                         else
 540                         {
 541                                 // We've found this directory in the cache
 542                                 CCachedDirectory * cachedDir = itMap->second;
 543                                 CStatusCacheEntry entry = cachedDir->GetCacheStatusForMember(path);
 544                                 {
 545                                         AutoLocker lock(m_critSec);
 546                                         m_mostRecentStatus = entry;
 547                                         return m_mostRecentStatus;
 548                                 }
 549                         }
 550                 }
 551         }
 552         AutoLocker lock(m_critSec);
 553         ATLTRACE(_T("ignored no good path %s\n"), path.GetWinPath());
 554         m_mostRecentStatus = CStatusCacheEntry();
 555         if (m_shellCache.ShowExcludedAsNormal() && path.IsDirectory() && m_shellCache.HasGITAdminDir(path.GetWinPath(), true))
 556         {
 557                 ATLTRACE(_T("force status %s\n"), path.GetWinPath());
 558                 m_mostRecentStatus.ForceStatus(git_wc_status_normal);
 559         }
 560         return m_mostRecentStatus;
 561 }
 562
 563 void CGitStatusCache::AddFolderForCrawling(const CTGitPath& path)
 564 {
 565         m_folderCrawler.AddDirectoryForUpdate(path);
 566 }
 567
 568 void CGitStatusCache::CloseWatcherHandles(HDEVNOTIFY hdev)
 569 {
 570         CTGitPath path = watcher.CloseInfoMap(hdev);
 571         m_folderCrawler.BlockPath(path);
 572 }
 573
 574 void CGitStatusCache::CloseWatcherHandles(const CTGitPath& path)
 575 {
 576         watcher.CloseHandlesForPath(path);
 577         m_folderCrawler.BlockPath(path);
 578 }