src/TGitCache/CachedDirectory.cpp

   1 // TortoiseGit - a Windows shell extension for easy version control
   2
   3 // External Cache Copyright (C) 2005-2008 - 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 #include "StdAfx.h"
  21 #include ".\cacheddirectory.h"
  22 //#include "SVNHelpers.h"
  23 #include "GitStatusCache.h"
  24 #include "GitStatus.h"
  25 #include <set>
  26
  27 CCachedDirectory::CCachedDirectory(void)
  28 {
  29         m_currentFullStatus = m_mostImportantFileStatus = git_wc_status_none;
  30         m_bRecursive = true;
  31 }
  32
  33 CCachedDirectory::~CCachedDirectory(void)
  34 {
  35 }
  36
  37 CCachedDirectory::CCachedDirectory(const CTGitPath& directoryPath)
  38 {
  39         ATLASSERT(directoryPath.IsDirectory() || !PathFileExists(directoryPath.GetWinPath()));
  40
  41         m_directoryPath = directoryPath;
  42
  43         m_currentFullStatus = m_mostImportantFileStatus = git_wc_status_none;
  44         m_bRecursive = true;
  45 }
  46
  47 BOOL CCachedDirectory::SaveToDisk(FILE * pFile)
  48 {
  49         AutoLocker lock(m_critSec);
  50 #define WRITEVALUETOFILE(x) if (fwrite(&x, sizeof(x), 1, pFile)!=1) return false;
  51
  52         unsigned int value = GIT_CACHE_VERSION;
  53         WRITEVALUETOFILE(value);        // 'version' of this save-format
  54         value = (int)m_entryCache.size();
  55         WRITEVALUETOFILE(value);        // size of the cache map
  56         // now iterate through the maps and save every entry.
  57         for (CacheEntryMap::iterator I = m_entryCache.begin(); I != m_entryCache.end(); ++I)
  58         {
  59                 const CString& key = I->first;
  60                 value = key.GetLength();
  61                 WRITEVALUETOFILE(value);
  62                 if (value)
  63                 {
  64                         if (fwrite((LPCTSTR)key, sizeof(TCHAR), value, pFile)!=value)
  65                                 return false;
  66                         if (!I->second.SaveToDisk(pFile))
  67                                 return false;
  68                 }
  69         }
  70         value = (int)m_childDirectories.size();
  71         WRITEVALUETOFILE(value);
  72         for (ChildDirStatus::iterator I = m_childDirectories.begin(); I != m_childDirectories.end(); ++I)
  73         {
  74                 const CString& path = I->first.GetWinPathString();
  75                 value = path.GetLength();
  76                 WRITEVALUETOFILE(value);
  77                 if (value)
  78                 {
  79                         if (fwrite((LPCTSTR)path, sizeof(TCHAR), value, pFile)!=value)
  80                                 return false;
  81                         git_wc_status_kind status = I->second;
  82                         WRITEVALUETOFILE(status);
  83                 }
  84         }
  85 //      WRITEVALUETOFILE(m_propsFileTime);
  86         value = m_directoryPath.GetWinPathString().GetLength();
  87         WRITEVALUETOFILE(value);
  88         if (value)
  89         {
  90                 if (fwrite(m_directoryPath.GetWinPath(), sizeof(TCHAR), value, pFile)!=value)
  91                         return false;
  92         }
  93         if (!m_ownStatus.SaveToDisk(pFile))
  94                 return false;
  95         WRITEVALUETOFILE(m_currentFullStatus);
  96         WRITEVALUETOFILE(m_mostImportantFileStatus);
  97         return true;
  98 }
  99
 100 BOOL CCachedDirectory::LoadFromDisk(FILE * pFile)
 101 {
 102         AutoLocker lock(m_critSec);
 103 #define LOADVALUEFROMFILE(x) if (fread(&x, sizeof(x), 1, pFile)!=1) return false;
 104         try
 105         {
 106                 unsigned int value = 0;
 107                 LOADVALUEFROMFILE(value);
 108                 if (value != GIT_CACHE_VERSION)
 109                         return false;           // not the correct version
 110                 int mapsize = 0;
 111                 LOADVALUEFROMFILE(mapsize);
 112                 for (int i=0; i<mapsize; ++i)
 113                 {
 114                         LOADVALUEFROMFILE(value);
 115                         if (value > MAX_PATH)
 116                                 return false;
 117                         if (value)
 118                         {
 119                                 CString sKey;
 120                                 if (fread(sKey.GetBuffer(value+1), sizeof(TCHAR), value, pFile)!=value)
 121                                 {
 122                                         sKey.ReleaseBuffer(0);
 123                                         return false;
 124                                 }
 125                                 sKey.ReleaseBuffer(value);
 126                                 CStatusCacheEntry entry;
 127                                 if (!entry.LoadFromDisk(pFile))
 128                                         return false;
 129                                 m_entryCache[sKey] = entry;
 130                         }
 131                 }
 132                 LOADVALUEFROMFILE(mapsize);
 133                 for (int i=0; i<mapsize; ++i)
 134                 {
 135                         LOADVALUEFROMFILE(value);
 136                         if (value > MAX_PATH)
 137                                 return false;
 138                         if (value)
 139                         {
 140                                 CString sPath;
 141                                 if (fread(sPath.GetBuffer(value), sizeof(TCHAR), value, pFile)!=value)
 142                                 {
 143                                         sPath.ReleaseBuffer(0);
 144                                         return false;
 145                                 }
 146                                 sPath.ReleaseBuffer(value);
 147                                 git_wc_status_kind status;
 148                                 LOADVALUEFROMFILE(status);
 149                                 m_childDirectories[CTGitPath(sPath)] = status;
 150                         }
 151                 }
 152                 LOADVALUEFROMFILE(value);
 153                 if (value > MAX_PATH)
 154                         return false;
 155                 if (value)
 156                 {
 157                         CString sPath;
 158                         if (fread(sPath.GetBuffer(value+1), sizeof(TCHAR), value, pFile)!=value)
 159                         {
 160                                 sPath.ReleaseBuffer(0);
 161                                 return false;
 162                         }
 163                         sPath.ReleaseBuffer(value);
 164                         m_directoryPath.SetFromWin(sPath);
 165                 }
 166                 if (!m_ownStatus.LoadFromDisk(pFile))
 167                         return false;
 168
 169                 LOADVALUEFROMFILE(m_currentFullStatus);
 170                 LOADVALUEFROMFILE(m_mostImportantFileStatus);
 171         }
 172         catch ( CAtlException )
 173         {
 174                 return false;
 175         }
 176         return true;
 177
 178 }
 179
 180
 181 CStatusCacheEntry CCachedDirectory::GetStatusFromCache(const CTGitPath& path, bool bRecursive)
 182 {
 183         if(path.IsDirectory())
 184         {
 185                 // We don't have directory status in our cache
 186                 // Ask the directory if it knows its own status
 187                 CCachedDirectory * dirEntry = CGitStatusCache::Instance().GetDirectoryCacheEntry(path);
 188                 if( dirEntry)
 189                 {
 190                         if (dirEntry->IsOwnStatusValid())
 191                                 return dirEntry->GetOwnStatus(bRecursive);
 192                         else
 193                         {
 194                                 /* cache have outof date, need crawl again*/
 195
 196                                 /*AutoLocker lock(dirEntry->m_critSec);
 197                                 ChildDirStatus::const_iterator it;
 198                                 for(it = dirEntry->m_childDirectories.begin(); it != dirEntry->m_childDirectories.end(); ++it)
 199                                 {
 200                                         CGitStatusCache::Instance().AddFolderForCrawling(it->first);
 201                                 }*/
 202
 203                                 CGitStatusCache::Instance().AddFolderForCrawling(path);
 204
 205                                 /*Return old status during crawling*/
 206                                 return dirEntry->GetOwnStatus(bRecursive);
 207                         }
 208                 }
 209                 else
 210                 {
 211                         CGitStatusCache::Instance().AddFolderForCrawling(path);
 212                 }
 213                 return CStatusCacheEntry();
 214         }
 215         else
 216         {
 217                 //All file ignored if under ignore directory
 218                 if (m_ownStatus.GetEffectiveStatus() == git_wc_status_ignored)
 219                         return CStatusCacheEntry(git_wc_status_ignored);
 220                 if (m_ownStatus.GetEffectiveStatus() == git_wc_status_unversioned)
 221                         return CStatusCacheEntry(git_wc_status_unversioned);
 222
 223                 // Look up a file in our own cache
 224                 AutoLocker lock(m_critSec);
 225                 CString strCacheKey = GetCacheKey(path);
 226                 CacheEntryMap::iterator itMap = m_entryCache.find(strCacheKey);
 227                 if(itMap != m_entryCache.end())
 228                 {
 229                         // We've hit the cache - check for timeout
 230                         if(!itMap->second.HasExpired((long)GetTickCount()))
 231                         {
 232                                 if(itMap->second.DoesFileTimeMatch(path.GetLastWriteTime()))
 233                                 {
 234                                         if ((itMap->second.GetEffectiveStatus()!=git_wc_status_missing)||(!PathFileExists(path.GetWinPath())))
 235                                         {
 236                                                 // Note: the filetime matches after a modified has been committed too.
 237                                                 // So in that case, we would return a wrong status (e.g. 'modified' instead
 238                                                 // of 'normal') here.
 239                                                 return itMap->second;
 240                                         }
 241                                 }
 242                         }
 243                 }
 244
 245                 CGitStatusCache::Instance().AddFolderForCrawling(path.GetContainingDirectory());
 246                 return CStatusCacheEntry();
 247         }
 248
 249 }
 250
 251 CStatusCacheEntry CCachedDirectory::GetStatusFromGit(const CTGitPath &path, CString sProjectRoot)
 252 {
 253         CString subpaths = path.GetGitPathString();
 254         if(subpaths.GetLength() >= sProjectRoot.GetLength())
 255         {
 256                 if(subpaths[sProjectRoot.GetLength()] == _T('/'))
 257                         subpaths=subpaths.Right(subpaths.GetLength() - sProjectRoot.GetLength()-1);
 258                 else
 259                         subpaths=subpaths.Right(subpaths.GetLength() - sProjectRoot.GetLength());
 260         }
 261
 262         GitStatus *pGitStatus = &CGitStatusCache::Instance().m_GitStatus;
 263
 264         CGitHash head;
 265
 266         pGitStatus->GetHeadHash(sProjectRoot,head);
 267
 268         bool isVersion =true;
 269         pGitStatus->IsUnderVersionControl(sProjectRoot, subpaths, path.IsDirectory(), &isVersion);
 270         if(!isVersion)
 271         {       //untracked file
 272                 bool isIgnoreFileChanged=false;
 273
 274                 isIgnoreFileChanged = pGitStatus->IsGitReposChanged(sProjectRoot, subpaths, GIT_MODE_IGNORE);
 275
 276                 if( isIgnoreFileChanged)
 277                 {
 278                         pGitStatus->LoadIgnoreFile(sProjectRoot, subpaths);
 279                 }
 280
 281                 if(path.IsDirectory())
 282                 {
 283
 284                         CCachedDirectory * dirEntry = CGitStatusCache::Instance().GetDirectoryCacheEntry(path,
 285                                                                                         false); /* we needn't watch untracked directory*/
 286
 287                         if(dirEntry)
 288                         {
 289                                 AutoLocker lock(dirEntry->m_critSec);
 290
 291                                 git_wc_status_kind dirstatus = dirEntry->GetCurrentFullStatus() ;
 292                                 if( dirstatus == git_wc_status_none || dirstatus >= git_wc_status_normal || isIgnoreFileChanged )
 293                                 {/* status have not initialized*/
 294                                         git_wc_status2_t status2;
 295                                         bool isignore = false;
 296                                         pGitStatus->IsIgnore(sProjectRoot,subpaths,&isignore);
 297                                         status2.text_status = status2.prop_status =
 298                                                 (isignore? git_wc_status_ignored:git_wc_status_unversioned);
 299
 300                                         dirEntry->m_ownStatus.SetStatus(&status2);
 301                                         dirEntry->m_ownStatus.SetKind(git_node_dir);
 302
 303                                 }
 304                                 return dirEntry->m_ownStatus;
 305                         }
 306
 307                 }
 308                 else /* path is file */
 309                 {
 310                         AutoLocker lock(m_critSec);
 311                         CString strCacheKey = GetCacheKey(path);
 312
 313                         CacheEntryMap::iterator itMap = m_entryCache.find(strCacheKey);
 314                         if(itMap == m_entryCache.end() || isIgnoreFileChanged)
 315                         {
 316                                 git_wc_status2_t status2;
 317                                 bool isignore = false;
 318                                 pGitStatus->IsIgnore(sProjectRoot,subpaths,&isignore);
 319                                 status2.text_status = status2.prop_status =
 320                                         (isignore? git_wc_status_ignored:git_wc_status_unversioned);
 321                                 AddEntry(path, &status2);
 322                                 return m_entryCache[strCacheKey];
 323                         }
 324                         else
 325                         {
 326                                 return itMap->second;
 327                         }
 328                 }
 329                 return CStatusCacheEntry();
 330
 331         }
 332         else
 333         {
 334                 EnumFiles((CTGitPath*)&path, TRUE);
 335                 UpdateCurrentStatus();
 336                 return CStatusCacheEntry(m_ownStatus);
 337         }
 338
 339 }
 340
 341 /// bFetch is true, fetch all status, call by crawl.
 342 /// bFetch is false, get cache status, return quickly.
 343
 344 CStatusCacheEntry CCachedDirectory::GetStatusForMember(const CTGitPath& path, bool bRecursive,  bool bFetch /* = true */)
 345 {
 346         bool bRequestForSelf = false;
 347         if(path.IsEquivalentToWithoutCase(m_directoryPath))
 348         {
 349                 bRequestForSelf = true;
 350         }
 351 //OutputDebugStringA("GetStatusForMember: ");OutputDebugStringW(path.GetWinPathString());OutputDebugStringA("\r\n");
 352         // In all most circumstances, we ask for the status of a member of this directory.
 353         ATLASSERT(m_directoryPath.IsEquivalentToWithoutCase(path.GetContainingDirectory()) || bRequestForSelf);
 354
 355         CString sProjectRoot;
 356         const BOOL bIsVersionedPath = path.HasAdminDir(&sProjectRoot);
 357
 358         //If is not version control path
 359         if( !bIsVersionedPath)
 360         {
 361                 ATLTRACE(_T("%s is not underversion control\n"), path.GetWinPath());
 362                 return CStatusCacheEntry();
 363         }
 364
 365         // We've not got this item in the cache - let's add it
 366         // We never bother asking SVN for the status of just one file, always for its containing directory
 367
 368         if (g_GitAdminDir.IsAdminDirPath(path.GetWinPathString()))
 369         {
 370                 // We're being asked for the status of an .git directory
 371                 // It's not worth asking for this
 372                 return CStatusCacheEntry();
 373         }
 374
 375
 376         if(bFetch)
 377         {
 378                 return GetStatusFromGit(path, sProjectRoot);
 379         }
 380         else
 381         {
 382                 return GetStatusFromCache(path, bRecursive);
 383         }
 384 }
 385
 386 CStatusCacheEntry CCachedDirectory::GetCacheStatusForMember(const CTGitPath& path)
 387 {
 388         // no disk access!
 389         AutoLocker lock(m_critSec);
 390         CacheEntryMap::iterator itMap = m_entryCache.find(GetCacheKey(path));
 391         if(itMap != m_entryCache.end())
 392                 return itMap->second;
 393
 394         return CStatusCacheEntry();
 395 }
 396
 397 int CCachedDirectory::EnumFiles(CTGitPath *path , bool IsFull)
 398 {
 399         CString sProjectRoot;
 400         if(path)
 401                 path->HasAdminDir(&sProjectRoot);
 402         else
 403                 m_directoryPath.HasAdminDir(&sProjectRoot);
 404
 405         ATLTRACE(_T("EnumFiles %s\n"), path->GetWinPath());
 406
 407         ATLASSERT( !m_directoryPath.IsEmpty() );
 408
 409         CString sSubPath;
 410
 411         CString s;
 412         if(path)
 413                 s=path->GetWinPath();
 414         else
 415                 s=m_directoryPath.GetDirectory().GetWinPathString();
 416
 417         if (s.GetLength() > sProjectRoot.GetLength())
 418         {
 419                 // skip initial slash if necessary
 420                 if(s[sProjectRoot.GetLength()] == _T('\\'))
 421                         sSubPath = s.Right(s.GetLength() - sProjectRoot.GetLength() -1);
 422                 else
 423                         sSubPath = s.Right(s.GetLength() - sProjectRoot.GetLength() );
 424         }
 425
 426         GitStatus *pStatus = &CGitStatusCache::Instance().m_GitStatus;
 427         UNREFERENCED_PARAMETER(pStatus);
 428         git_wc_status_kind status;
 429         bool assumeValid = false;
 430
 431         if(!path->IsDirectory())
 432                 pStatus->GetFileStatus(sProjectRoot, sSubPath, &status, IsFull, false, true, GetStatusCallback, this, &assumeValid);
 433         else
 434         {
 435                 m_mostImportantFileStatus = git_wc_status_normal;
 436                 pStatus->EnumDirStatus(sProjectRoot, sSubPath, &status, IsFull, false, true, GetStatusCallback,this);
 437
 438                 m_ownStatus = git_wc_status_normal;
 439         }
 440
 441         m_mostImportantFileStatus = GitStatus::GetMoreImportant(m_mostImportantFileStatus, status);
 442
 443         return 0;
 444 }
 445 void
 446 CCachedDirectory::AddEntry(const CTGitPath& path, const git_wc_status2_t* pGitStatus, DWORD validuntil /* = 0*/)
 447 {
 448         AutoLocker lock(m_critSec);
 449         if(path.IsDirectory())
 450         {
 451                 CCachedDirectory * childDir = CGitStatusCache::Instance().GetDirectoryCacheEntry(path);
 452                 if (childDir)
 453                 {
 454                         if ((childDir->GetCurrentFullStatus() != git_wc_status_missing)||(pGitStatus==NULL)||(pGitStatus->text_status != git_wc_status_unversioned))
 455                         {
 456                                 if(pGitStatus)
 457                                 {
 458                                         if(childDir->GetCurrentFullStatus() != GitStatus::GetMoreImportant(pGitStatus->prop_status, pGitStatus->text_status))
 459                                         {
 460                                                 CGitStatusCache::Instance().UpdateShell(path);
 461                                                 //ATLTRACE(_T("shell update for %s\n"), path.GetWinPath());
 462                                                 childDir->m_ownStatus.SetStatus(pGitStatus);
 463                                                 childDir->m_ownStatus.SetKind(git_node_dir);
 464                                         }
 465                                 }
 466                         }
 467                         childDir->m_ownStatus.SetKind(git_node_dir);
 468
 469
 470                 }
 471         }
 472         else
 473         {
 474                 CCachedDirectory * childDir = CGitStatusCache::Instance().GetDirectoryCacheEntry(path.GetContainingDirectory());
 475                 bool bNotified = false;
 476
 477                 if(!childDir)
 478                         return ;
 479
 480                 CString cachekey = GetCacheKey(path);
 481                 CacheEntryMap::iterator entry_it = childDir->m_entryCache.lower_bound(cachekey);
 482                 if (entry_it != childDir->m_entryCache.end() && entry_it->first == cachekey)
 483                 {
 484                         if (pGitStatus)
 485                         {
 486                                 if (entry_it->second.GetEffectiveStatus() > git_wc_status_none &&
 487                                         entry_it->second.GetEffectiveStatus() != GitStatus::GetMoreImportant(pGitStatus->prop_status, pGitStatus->text_status)
 488                                 )
 489                                 {
 490                                         bNotified =true;
 491                                 }
 492                         }
 493
 494                 }
 495                 else
 496                 {
 497                         entry_it = childDir->m_entryCache.insert(entry_it, std::make_pair(cachekey, CStatusCacheEntry()));
 498                         bNotified = true;
 499
 500                 }
 501                 entry_it->second = CStatusCacheEntry(pGitStatus, path.GetLastWriteTime(), path.IsReadOnly(), validuntil);
 502                 // TEMP(?): git status doesn't not have "entry" that contains node type, so manually set as file
 503                 entry_it->second.SetKind(git_node_file);
 504
 505                 if(bNotified)
 506                 {
 507                         CGitStatusCache::Instance().UpdateShell(path);
 508                         //ATLTRACE(_T("shell update for %s\n"), path.GetWinPath());
 509                 }
 510
 511                 //ATLTRACE(_T("Path Entry Add %s %s %s %d\n"), path.GetWinPath(), cachekey, m_directoryPath.GetWinPath(), pGitStatus->text_status);
 512         }
 513
 514         CCachedDirectory * parent = CGitStatusCache::Instance().GetDirectoryCacheEntry(path.GetContainingDirectory());
 515
 516         if(parent)
 517         {
 518                 if ((parent->GetCurrentFullStatus() != git_wc_status_missing)||(pGitStatus==NULL)||(pGitStatus->text_status != git_wc_status_unversioned))
 519                 {
 520                         if(pGitStatus)
 521                         {
 522                                 if(parent->GetCurrentFullStatus() < GitStatus::GetMoreImportant(pGitStatus->prop_status, pGitStatus->text_status))
 523                                 {
 524                                         CGitStatusCache::Instance().UpdateShell(parent->m_directoryPath);
 525                                         //ATLTRACE(_T("shell update for %s\n"), parent->m_directoryPath.GetWinPathString());
 526                                         parent->m_ownStatus.SetStatus(pGitStatus);
 527                                         parent->m_ownStatus.SetKind(git_node_dir);
 528                                 }
 529                         }
 530                 }
 531         }
 532 }
 533
 534
 535 CString
 536 CCachedDirectory::GetCacheKey(const CTGitPath& path)
 537 {
 538         // All we put into the cache as a key is just the end portion of the pathname
 539         // There's no point storing the path of the containing directory for every item
 540         return path.GetWinPathString().Mid(m_directoryPath.GetWinPathString().GetLength()).MakeLower();
 541 }
 542
 543 CString
 544 CCachedDirectory::GetFullPathString(const CString& cacheKey)
 545 {
 546         return m_directoryPath.GetWinPathString() + _T("\\") + cacheKey;
 547 }
 548
 549 BOOL CCachedDirectory::GetStatusCallback(const CString & path, git_wc_status_kind status,bool isDir, void *pUserData, bool assumeValid)
 550 {
 551         git_wc_status2_t _status;
 552         git_wc_status2_t *status2 = &_status;
 553
 554         status2->prop_status = status2->text_status = status;
 555         status2->assumeValid = assumeValid;
 556
 557         CTGitPath gitPath;
 558
 559         CString lowcasepath = path;
 560         lowcasepath.MakeLower();
 561         gitPath.SetFromUnknown(lowcasepath);
 562
 563         CCachedDirectory *pThis = CGitStatusCache::Instance().GetDirectoryCacheEntry(gitPath.GetContainingDirectory());
 564
 565         if(pThis == NULL)
 566                 return FALSE;
 567
 568 //      if(status->entry)
 569         {
 570                 if (isDir)
 571                 {       /*gitpath is directory*/
 572                         //if ( !gitPath.IsEquivalentToWithoutCase(pThis->m_directoryPath) )
 573                         {
 574                                 if (!gitPath.Exists())
 575                                 {
 576                                         ATLTRACE(_T("Miss dir %s \n"), gitPath.GetWinPath());
 577                                         pThis->m_mostImportantFileStatus = GitStatus::GetMoreImportant(pThis->m_mostImportantFileStatus, git_wc_status_deleted);
 578                                 }
 579
 580                                 if ( status <  git_wc_status_normal)
 581                                 {
 582                                         if( ::PathFileExists(path+_T("\\.git")))
 583                                         { // this is submodule
 584                                                 ATLTRACE(_T("skip submodule %s\n"), path);
 585                                                 return FALSE;
 586                                         }
 587                                 }
 588                                 if (pThis->m_bRecursive)
 589                                 {
 590                                         // Add any versioned directory, which is not our 'self' entry, to the list for having its status updated
 591 //OutputDebugStringA("AddFolderCrawl: ");OutputDebugStringW(svnPath.GetWinPathString());OutputDebugStringA("\r\n");
 592                                         if(status >= git_wc_status_normal)
 593                                                 CGitStatusCache::Instance().AddFolderForCrawling(gitPath);
 594                                 }
 595
 596                                 // Make sure we know about this child directory
 597                                 // This initial status value is likely to be overwritten from below at some point
 598                                 git_wc_status_kind s = GitStatus::GetMoreImportant(status2->text_status, status2->prop_status);
 599
 600                                 // folders must not be displayed as added or deleted only as modified
 601                                 if (s == git_wc_status_deleted || s == git_wc_status_added)
 602                                         s = git_wc_status_modified;
 603
 604                                 CCachedDirectory * cdir = CGitStatusCache::Instance().GetDirectoryCacheEntryNoCreate(gitPath);
 605                                 if (cdir)
 606                                 {
 607                                         // This child directory is already in our cache!
 608                                         // So ask this dir about its recursive status
 609                                         git_wc_status_kind st = GitStatus::GetMoreImportant(s, cdir->GetCurrentFullStatus());
 610                                         AutoLocker lock(pThis->m_critSec);
 611                                         pThis->m_childDirectories[gitPath] = st;
 612                                         ATLTRACE(_T("call 1 Update dir %s %d\n"), gitPath.GetWinPath(), st);
 613                                 }
 614                                 else
 615                                 {
 616                                         AutoLocker lock(pThis->m_critSec);
 617                                         // the child directory is not in the cache. Create a new entry for it in the cache which is
 618                                         // initially 'unversioned'. But we added that directory to the crawling list above, which
 619                                         // means the cache will be updated soon.
 620                                         CGitStatusCache::Instance().GetDirectoryCacheEntry(gitPath);
 621
 622                                         pThis->m_childDirectories[gitPath] = s;
 623                                         ATLTRACE(_T("call 2 Update dir %s %d\n"), gitPath.GetWinPath(), s);
 624                                 }
 625                         }
 626                 }
 627                 else /* gitpath is file*/
 628                 {
 629                         // Keep track of the most important status of all the files in this directory
 630                         // Don't include subdirectories in this figure, because they need to provide their
 631                         // own 'most important' value
 632                         if (status2->text_status == git_wc_status_deleted || status2->text_status == git_wc_status_added)
 633                         {
 634                                 // if just a file in a folder is deleted or added report back that the folder is modified and not deleted or added
 635                                 pThis->m_mostImportantFileStatus = GitStatus::GetMoreImportant(pThis->m_mostImportantFileStatus, git_wc_status_modified);
 636                         }
 637                         else
 638                         {
 639                                 pThis->m_mostImportantFileStatus = GitStatus::GetMoreImportant(pThis->m_mostImportantFileStatus, status2->text_status);
 640                                 pThis->m_mostImportantFileStatus = GitStatus::GetMoreImportant(pThis->m_mostImportantFileStatus, status2->prop_status);
 641                                 if (((status2->text_status == git_wc_status_unversioned)||(status2->text_status == git_wc_status_none))
 642                                         &&(CGitStatusCache::Instance().IsUnversionedAsModified()))
 643                                 {
 644                                         // treat unversioned files as modified
 645                                         if (pThis->m_mostImportantFileStatus != git_wc_status_added)
 646                                                 pThis->m_mostImportantFileStatus = GitStatus::GetMoreImportant(pThis->m_mostImportantFileStatus, git_wc_status_modified);
 647                                 }
 648                         }
 649                 }
 650         }
 651
 652         pThis->AddEntry(gitPath, status2);
 653
 654         return FALSE;
 655 }
 656
 657 bool
 658 CCachedDirectory::IsOwnStatusValid() const
 659 {
 660         return m_ownStatus.HasBeenSet() &&
 661                    !m_ownStatus.HasExpired(GetTickCount());
 662 }
 663
 664 void CCachedDirectory::Invalidate()
 665 {
 666         m_ownStatus.Invalidate();
 667 }
 668
 669 git_wc_status_kind CCachedDirectory::CalculateRecursiveStatus()
 670 {
 671         // Combine our OWN folder status with the most important of our *FILES'* status.
 672         git_wc_status_kind retVal = GitStatus::GetMoreImportant(m_mostImportantFileStatus, m_ownStatus.GetEffectiveStatus());
 673
 674         // Now combine all our child-directorie's status
 675         AutoLocker lock(m_critSec);
 676         ChildDirStatus::const_iterator it;
 677         for(it = m_childDirectories.begin(); it != m_childDirectories.end(); ++it)
 678         {
 679                 retVal = GitStatus::GetMoreImportant(retVal, it->second);
 680         }
 681
 682         return retVal;
 683 }
 684
 685 // Update our composite status and deal with things if it's changed
 686 void CCachedDirectory::UpdateCurrentStatus()
 687 {
 688         git_wc_status_kind newStatus = CalculateRecursiveStatus();
 689         ATLTRACE(_T("UpdateCurrentStatus %s new:%d old: %d\n"),
 690                 m_directoryPath.GetWinPath(),
 691                 newStatus, m_currentFullStatus);
 692
 693         if ( this->m_ownStatus.GetEffectiveStatus() < git_wc_status_normal )
 694         {
 695                 if (::PathFileExists(this->m_directoryPath.GetWinPathString()+_T("\\.git")))
 696                 {
 697                         //project root must be normal status at least.
 698                         ATLTRACE(_T("force update project root directory as normal status\n"));
 699                         this->m_ownStatus.ForceStatus(git_wc_status_normal);
 700                 }
 701         }
 702
 703         if ((newStatus != m_currentFullStatus) && m_ownStatus.IsVersioned())
 704         {
 705                 if ((m_currentFullStatus != git_wc_status_none)&&(m_ownStatus.GetEffectiveStatus() != git_wc_status_missing))
 706                 {
 707                         // Our status has changed - tell the shell
 708                         ATLTRACE(_T("Dir %s, status change from %d to %d, send shell notification\n"), m_directoryPath.GetWinPath(), m_currentFullStatus, newStatus);
 709                         CGitStatusCache::Instance().UpdateShell(m_directoryPath);
 710                 }
 711                 if (m_ownStatus.GetEffectiveStatus() != git_wc_status_missing)
 712                         m_currentFullStatus = newStatus;
 713                 else
 714                         m_currentFullStatus = git_wc_status_missing;
 715         }
 716         // And tell our parent, if we've got one...
 717         // we tell our parent *always* about our status, even if it hasn't
 718         // changed. This is to make sure that the parent has really our current
 719         // status - the parent can decide itself if our status has changed
 720         // or not.
 721         CTGitPath parentPath = m_directoryPath.GetContainingDirectory();
 722         if(!parentPath.IsEmpty())
 723         {
 724                 // We have a parent
 725                 // just version controled directory need to cache.
 726                 CString root1, root2;
 727                 if(parentPath.HasAdminDir(&root1) && m_directoryPath.HasAdminDir(&root2) && root1 == root2)
 728                 {
 729                         CCachedDirectory * cachedDir = CGitStatusCache::Instance().GetDirectoryCacheEntry(parentPath);
 730                         if (cachedDir)
 731                                 cachedDir->UpdateChildDirectoryStatus(m_directoryPath, m_currentFullStatus);
 732                 }
 733         }
 734 }
 735
 736
 737 // Receive a notification from a child that its status has changed
 738 void CCachedDirectory::UpdateChildDirectoryStatus(const CTGitPath& childDir, git_wc_status_kind childStatus)
 739 {
 740         git_wc_status_kind currentStatus = git_wc_status_none;
 741         {
 742                 AutoLocker lock(m_critSec);
 743                 currentStatus = m_childDirectories[childDir];
 744         }
 745         if ((currentStatus != childStatus)||(!IsOwnStatusValid()))
 746         {
 747                 {
 748                         AutoLocker lock(m_critSec);
 749                         m_childDirectories[childDir] = childStatus;
 750                 }
 751                 UpdateCurrentStatus();
 752         }
 753 }
 754
 755 CStatusCacheEntry CCachedDirectory::GetOwnStatus(bool bRecursive)
 756 {
 757         // Don't return recursive status if we're unversioned ourselves.
 758         if(bRecursive && m_ownStatus.GetEffectiveStatus() > git_wc_status_unversioned && m_ownStatus.GetEffectiveStatus() != git_wc_status_ignored)
 759         {
 760                 CStatusCacheEntry recursiveStatus(m_ownStatus);
 761                 UpdateCurrentStatus();
 762                 if (m_currentFullStatus == git_wc_status_deleted || m_currentFullStatus == git_wc_status_added)
 763                         m_currentFullStatus = git_wc_status_modified;
 764                 recursiveStatus.ForceStatus(m_currentFullStatus);
 765                 return recursiveStatus;
 766         }
 767         else
 768         {
 769                 return m_ownStatus;
 770         }
 771 }
 772
 773 void CCachedDirectory::RefreshStatus(bool bRecursive)
 774 {
 775         // Make sure that our own status is up-to-date
 776         GetStatusForMember(m_directoryPath,bRecursive);
 777
 778         AutoLocker lock(m_critSec);
 779         // We also need to check if all our file members have the right date on them
 780         CacheEntryMap::iterator itMembers;
 781         std::set<CTGitPath> refreshedpaths;
 782         DWORD now = GetTickCount();
 783         if (m_entryCache.size() == 0)
 784                 return;
 785         for (itMembers = m_entryCache.begin(); itMembers != m_entryCache.end(); ++itMembers)
 786         {
 787                 if (itMembers->first)
 788                 {
 789                         CTGitPath filePath(m_directoryPath);
 790                         filePath.AppendPathString(itMembers->first);
 791                         std::set<CTGitPath>::iterator refr_it;
 792                         if ((!filePath.IsEquivalentToWithoutCase(m_directoryPath))&&
 793                                 (((refr_it = refreshedpaths.lower_bound(filePath)) == refreshedpaths.end()) || !filePath.IsEquivalentToWithoutCase(*refr_it)))
 794                         {
 795                                 if ((itMembers->second.HasExpired(now))||(!itMembers->second.DoesFileTimeMatch(filePath.GetLastWriteTime())))
 796                                 {
 797                                         lock.Unlock();
 798                                         // We need to request this item as well
 799                                         GetStatusForMember(filePath,bRecursive);
 800                                         // GetStatusForMember now has recreated the m_entryCache map.
 801                                         // So start the loop again, but add this path to the refreshed paths set
 802                                         // to make sure we don't refresh this path again. This is to make sure
 803                                         // that we don't end up in an endless loop.
 804                                         lock.Lock();
 805                                         refreshedpaths.insert(refr_it, filePath);
 806                                         itMembers = m_entryCache.begin();
 807                                         if (m_entryCache.size()==0)
 808                                                 return;
 809                                         continue;
 810                                 }
 811                                 else if ((bRecursive)&&(itMembers->second.IsDirectory()))
 812                                 {
 813                                         // crawl all sub folders too! Otherwise a change deep inside the
 814                                         // tree which has changed won't get propagated up the tree.
 815                                         CGitStatusCache::Instance().AddFolderForCrawling(filePath);
 816                                 }
 817                         }
 818                 }
 819         }
 820 }
 821
 822 void CCachedDirectory::RefreshMostImportant()
 823 {
 824         CacheEntryMap::iterator itMembers;
 825         git_wc_status_kind newStatus = m_ownStatus.GetEffectiveStatus();
 826         for (itMembers = m_entryCache.begin(); itMembers != m_entryCache.end(); ++itMembers)
 827         {
 828                 newStatus = GitStatus::GetMoreImportant(newStatus, itMembers->second.GetEffectiveStatus());
 829                 if (((itMembers->second.GetEffectiveStatus() == git_wc_status_unversioned)||(itMembers->second.GetEffectiveStatus() == git_wc_status_none))
 830                         &&(CGitStatusCache::Instance().IsUnversionedAsModified()))
 831                 {
 832                         // treat unversioned files as modified
 833                         if (newStatus != git_wc_status_added)
 834                                 newStatus = GitStatus::GetMoreImportant(newStatus, git_wc_status_modified);
 835                 }
 836         }
 837         if (newStatus != m_mostImportantFileStatus)
 838         {
 839                 ATLTRACE(_T("status change of path %s\n"), m_directoryPath.GetWinPath());
 840                 CGitStatusCache::Instance().UpdateShell(m_directoryPath);
 841         }
 842         m_mostImportantFileStatus = newStatus;
 843 }